TT#146402 Fix scenario for leg_b=1 param

Add leg_b=1 record route param to Responder tt2 files Change-Id: Ib9e10315e8480b54a08f0a33f462f5cb4e0c5d20
5 years ago · eab2b8bc1d
parent 6dc72726fe
commit eab2b8bc1d
84 changed files with 86 additions and 86 deletions
--- a/scenarios/incoming_foreign_dom/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/incoming_foreign_dom/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% scenarios.0.username %]@incoming-foreign-dom.external.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@incoming-foreign-dom.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/incoming_hih/sipp_scenario_responder01_test.yml.tt2
+++ b/scenarios/incoming_hih/sipp_scenario_responder01_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.1.username %]@[% scenarios.0.responders.1.ip %]:[% scenarios.0.responders.1.port %];cause=302 SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% scenarios.0.username %]@incoming-hih.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.1.username %]@incoming-hih.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/incoming_peer/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/incoming_peer/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% scenarios.0.username %]@incoming-peer.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@incoming-peer.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/incoming_peer_stir/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/incoming_peer_stir/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% scenarios.0.username %]@incoming-peer-stir.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@incoming-peer-stir.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_scenarios_test.testuser1002.phone_number %]@invite.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_allowedcli_match/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_allowedcli_match/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_allowedcli_match_scenarios_test.testuser1002.phone_number %]99@invite-allowedcli-match.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-allowedcli-match.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_allowedcli_match_alias/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_allowedcli_match_alias/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_allowedcli_match_alias_scenarios_test.testuser1002.alias_numbers.0.phone_number %]@invite-allowedcli-match-alias.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-allowedcli-match-alias.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_allowedcli_nonmatch/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_allowedcli_nonmatch/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:43122122@invite-allowedcli-nonmatch.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-allowedcli-nonmatch.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_anonymous/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_anonymous/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: "Anonymous" <sip:anonymous@anonymous.invalid>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-anonymous.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_blockout_pinoverride/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_blockout_pinoverride/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_blockout_pinoverride_scenarios_test.testuser1002.phone_number %]@invite-blockout-pinoverride.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-blockout-pinoverride.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_callee_bye/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_callee_bye/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_callee_bye_scenarios_test.testuser1002.phone_number %]@invite-callee-bye.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-callee-bye.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_callforward/sipp_scenario_responder01_test.yml.tt2
+++ b/scenarios/invite_callforward/sipp_scenario_responder01_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.1.username %]@[% scenarios.0.responders.1.ip %]:[% scenarios.0.responders.1.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_callforward_scenarios_test.testuser1002.phone_number %]@invite-callforward.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.1.username %]@invite-callforward.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_callforward/sipp_scenario_responder02_test.yml.tt2
+++ b/scenarios/invite_callforward/sipp_scenario_responder02_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.1.responders.0.username %]@[% scenarios.1.responders.0.ip %]:[% scenarios.1.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_callforward_scenarios_test.testuser1002.phone_number %]@invite-callforward.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.1.responders.0.username %]@invite-callforward.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_callforward/sipp_scenario_responder03_test.yml.tt2
+++ b/scenarios/invite_callforward/sipp_scenario_responder03_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.1.responders.1.username %]@[% scenarios.1.responders.1.ip %]:[% scenarios.1.responders.1.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_callforward_scenarios_test.testuser1002.phone_number %]@invite-callforward.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.1.responders.1.username %]@invite-callforward.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_callforward_but_callee_locked_cfna/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_callforward_but_callee_locked_cfna/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_callforward_but_callee_locked_cfna_scenarios_test.testuser1000.phone_number %]@invite-callforward-but-callee-locked-cfna.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-callforward-but-callee-locked-cfna.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_concurrent_max/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_concurrent_max/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_concurrent_max_scenarios_test.testuser1002.phone_number %]@invite-concurrent-max.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-concurrent-max.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_concurrent_max_out/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_concurrent_max_out/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %];transport=udp SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_concurrent_max_out_scenarios_test.testuser1002.phone_number %]@invite-concurrent-max-out.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_concurrent_max_out_per_account/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_concurrent_max_out_per_account/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %];transport=udp SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_concurrent_max_out_per_account_scenarios_test.testuser1002.phone_number %]@invite-concurrent-max-out-per-account.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_concurrent_max_per_account/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_concurrent_max_per_account/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_concurrent_max_per_account_scenarios_test.testuser1002.phone_number %]@invite-concurrent-max-per-account.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-concurrent-max-per-account.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_emergency/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_emergency/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:E1112@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %];transport=udp SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_emergency_scenarios_test.testuser1002.phone_number %]@invite-emergency.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:E1112@[% scenarios.0.responders.0.ip %]>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_emergency_cirpack/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_emergency_cirpack/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:E1112@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %];transport=udp SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_emergency_cirpack_scenarios_test.testuser1002.phone_number %]@invite-emergency-cirpack.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:E1112@[% scenarios.0.responders.0.ip %]>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_emergency_pidflo/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_emergency_pidflo/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:E1112@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %];transport=udp SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_emergency_pidflo_scenarios_test.testuser1002.phone_number %]@invite-emergency-pidflo.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:E1112@[% scenarios.0.responders.0.ip %]>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_force_inbound_calls_to_peer/sipp_scenario_responder01_test.yml.tt2
+++ b/scenarios/invite_force_inbound_calls_to_peer/sipp_scenario_responder01_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% invite_force_inbound_calls_to_peer_scenarios_test.testuser1003.phone_number %]@[% scenarios.0.responders.1.ip %]:[% scenarios.0.responders.1.port %];transport=udp SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_force_inbound_calls_to_peer_scenarios_test.testuser1002.phone_number %]@invite-force-inbound-calls-to-peer.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% invite_force_inbound_calls_to_peer_scenarios_test.testuser1003.phone_number %]@[% scenarios.0.responders.1.ip %]>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_force_outbound_calls_to_peer/sipp_scenario_responder01_test.yml.tt2
+++ b/scenarios/invite_force_outbound_calls_to_peer/sipp_scenario_responder01_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.1.ip %]:[% scenarios.0.responders.1.port %];transport=udp SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_force_outbound_calls_to_peer_scenarios_test.testuser1002.phone_number %]@invite-force-outbound-calls-to-peer.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.1.ip %]>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_foreign_dom/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_foreign_dom/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@invite-foreign-dom.external.test SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_foreign_dom_scenarios_test.testuser1002.phone_number %]@invite-foreign-dom.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-foreign-dom.external.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_hdr/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_hdr/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_hdr_scenarios_test.testuser1002.phone_number %]@invite-hdr.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-hdr.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_hm/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_hm/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_hm_scenarios_test.testuser1002.phone_number %]@invite-hm.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-hm.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_hm_callforward/sipp_scenario_responder01_test.yml.tt2
+++ b/scenarios/invite_hm_callforward/sipp_scenario_responder01_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.1.username %]@[% scenarios.0.responders.1.ip %]:[% scenarios.0.responders.1.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_hm_callforward_scenarios_test.testuser1002.phone_number %]@invite-hm-callforward.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.1.username %]@invite-hm-callforward.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_hm_peerout/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_hm_peerout/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %];transport=udp SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_hm_peerout_scenarios_test.testuser1002.phone_number %]@invite-hm-peerout.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_ignore_allowip/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_ignore_allowip/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_ignore_allowip_scenarios_test.testuser1002.phone_number %]@invite-ignore-allowip.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-ignore-allowip.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_lateoam/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_lateoam/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_lateoam_scenarios_test.testuser1002.phone_number %]@invite-lateoam.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-lateoam.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_locmap_add/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_locmap_add/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_locmap_add_scenarios_test.testuser1000.phone_number %]@invite-locmap-add.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-locmap-add.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_locmap_add/sipp_scenario_responder01_test.yml.tt2
+++ b/scenarios/invite_locmap_add/sipp_scenario_responder01_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.1.username %]@[% scenarios.0.responders.1.ip %]:[% scenarios.0.responders.1.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_locmap_add_scenarios_test.testuser1000.phone_number %]@invite-locmap-add.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.1.username %]@invite-locmap-add.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_locmap_offline/sipp_scenario_responder01_test.yml.tt2
+++ b/scenarios/invite_locmap_offline/sipp_scenario_responder01_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.1.username %]@[% scenarios.0.responders.1.ip %]:[% scenarios.0.responders.1.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_locmap_offline_scenarios_test.testuser1000.phone_number %]@invite-locmap-offline.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.1.username %]@invite-locmap-offline.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_locmap_replace/sipp_scenario_responder01_test.yml.tt2
+++ b/scenarios/invite_locmap_replace/sipp_scenario_responder01_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.1.username %]@[% scenarios.0.responders.1.ip %]:[% scenarios.0.responders.1.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_locmap_replace_scenarios_test.testuser1000.phone_number %]@invite-locmap-replace.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.1.username %]@invite-locmap-replace.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_no_refer/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_no_refer/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_no_refer_scenarios_test.testuser1002.phone_number %]@invite-no-refer.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-no-refer.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_pai_none/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_pai_none/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_pai_none_scenarios_test.testuser1002.phone_number %]@invite-pai-none.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-pai-none.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_peerout/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_peerout/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %];transport=udp SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_peerout_scenarios_test.testuser1002.phone_number %]@invite-peerout.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_peerout_failover/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_peerout_failover/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %];transport=udp SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_peerout_failover_scenarios_test.testuser1002.phone_number %]@invite-peerout-failover.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_peerout_failover/sipp_scenario_responder02_test.yml.tt2
+++ b/scenarios/invite_peerout_failover/sipp_scenario_responder02_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.2.username %]@[% scenarios.0.responders.2.ip %]:[% scenarios.0.responders.2.port %];transport=udp SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_peerout_failover_scenarios_test.testuser1002.phone_number %]@invite-peerout-failover.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_peerout_max_out/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_peerout_max_out/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %];transport=udp SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_peerout_max_out_scenarios_test.testuser1002.phone_number %]@invite-peerout-max-out.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_peerout_rewrite/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_peerout_rewrite/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:4321001@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %];transport=udp SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_peerout_rewrite_scenarios_test.testuser1002.phone_number %]@invite-peerout-rewrite.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:4321001@[% scenarios.0.responders.0.ip %]>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_peerout_rewrite_pv_regex/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_peerout_rewrite_pv_regex/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:4321001@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %];transport=udp SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_peerout_rewrite_pv_regex_scenarios_test.testuser1002.sn %]@invite-peerout-rewrite-pv-regex.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:4321001@[% scenarios.0.responders.0.ip %]>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_peerout_stir/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_peerout_stir/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %];transport=udp SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_peerout_stir_scenarios_test.testuser1002.phone_number %]@invite-peerout-stir.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_perm_reg/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_perm_reg/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %];transport=tcp SIP/2.0'
  - 'Record-Route: <sip:127.3.0.1:5074;transport=tcp;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=tcp:127.3.0.1:5074>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=tcp:127.3.0.1:5074>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_perm_reg_scenarios_test.testuser1002.phone_number %]@invite-perm-reg.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-perm-reg.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_prack/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_prack/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %];transport=udp SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_prack_scenarios_test.testuser1012.phone_number %]@invite-prack.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_q_forking/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_q_forking/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_q_forking_scenarios_test.testuser1002.phone_number %]@invite-q-forking.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-q-forking.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_q_forking/sipp_scenario_responder01_test.yml.tt2
+++ b/scenarios/invite_q_forking/sipp_scenario_responder01_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.1.username %]@[% scenarios.0.responders.1.ip %]:[% scenarios.0.responders.1.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_q_forking_scenarios_test.testuser1002.phone_number %]@invite-q-forking.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-q-forking.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_record_call/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_record_call/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_record_call_scenarios_test.testuser1002.phone_number %]@invite-record-call.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-record-call.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_redirect/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_redirect/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_redirect_scenarios_test.testuser1002.phone_number %]@invite-redirect.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-redirect.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_redirect/sipp_scenario_responder01_test.yml.tt2
+++ b/scenarios/invite_redirect/sipp_scenario_responder01_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.1.username %]@[% scenarios.0.responders.1.ip %]:[% scenarios.0.responders.1.port %];cause=302 SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_redirect_scenarios_test.testuser1002.phone_number %]@invite-redirect.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.1.username %]@invite-redirect.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_redirect_blocked/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_redirect_blocked/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_redirect_blocked_scenarios_test.testuser1002.phone_number %]@invite-redirect-blocked.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-redirect-blocked.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_redirect_tel_uri/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_redirect_tel_uri/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_redirect_tel_uri_scenarios_test.testuser1000.phone_number %]@invite-redirect-tel-uri.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-redirect-tel-uri.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_redirect_tel_uri/sipp_scenario_responder01_test.yml.tt2
+++ b/scenarios/invite_redirect_tel_uri/sipp_scenario_responder01_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.1.username %]@[% scenarios.0.responders.1.ip %]:[% scenarios.0.responders.1.port %];cause=302 SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_redirect_tel_uri_scenarios_test.testuser1000.phone_number %]@invite-redirect-tel-uri.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.1.username %]@invite-redirect-tel-uri.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_reinvite_caller_transcoding/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_reinvite_caller_transcoding/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %];transport=udp SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_reinvite_caller_transcoding_scenarios_test.testuser1002.phone_number %]@invite-reinvite-caller-transcoding.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]>'
  - 'CSeq: \d+ INVITE'
@ -36,7 +36,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %];transport=udp SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_reinvite_caller_transcoding_scenarios_test.testuser1002.phone_number %]@invite-reinvite-caller-transcoding.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_reinvite_transcoding/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_reinvite_transcoding/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% scenarios.0.username %]@invite-reinvite-transcoding.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-reinvite-transcoding.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_retrans/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_retrans/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_retrans_scenarios_test.testuser1002.phone_number %]@invite-retrans.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-retrans.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_sdp_filter/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_sdp_filter/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_sdp_filter_scenarios_test.testuser1002.phone_number %]@invite-sdp-filter.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-sdp-filter.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_sdp_filter/sipp_scenario_responder01_test.yml.tt2
+++ b/scenarios/invite_sdp_filter/sipp_scenario_responder01_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.1.responders.0.username %]@[% scenarios.1.responders.0.ip %]:[% scenarios.1.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_sdp_filter_scenarios_test.testuser1002.phone_number %]@invite-sdp-filter.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.1.responders.0.username %]@invite-sdp-filter.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_stir/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_stir/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_stir_scenarios_test.testuser1002.phone_number %]@invite-stir.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-stir.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_stir/sipp_scenario_responder01_test.yml.tt2
+++ b/scenarios/invite_stir/sipp_scenario_responder01_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.1.responders.0.username %]@[% scenarios.1.responders.0.ip %]:[% scenarios.1.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_stir_scenarios_test.testuser1002.phone_number %]@invite-stir.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.1.responders.0.username %]@invite-stir.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_tcp_udp/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_tcp_udp/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_tcp_udp_scenarios_test.testuser1002.phone_number %]@invite-tcp-udp.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-tcp-udp.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_tcp_udp_reinvite/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_tcp_udp_reinvite/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_tcp_udp_reinvite_scenarios_test.testuser1002.phone_number %]@invite-tcp-udp-reinvite.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-tcp-udp-reinvite.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_trusted_anonymous/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_trusted_anonymous/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: "Anonymous" <sip:anonymous@anonymous.invalid>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-trusted-anonymous.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/invite_trusted_peerout_stir/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_trusted_peerout_stir/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %];transport=udp SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_trusted_peerout_stir_scenarios_test.testuser1002.phone_number %]@invite-trusted-peerout-stir.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/lock_ported/sipp_scenario_responder01_test.yml.tt2
+++ b/scenarios/lock_ported/sipp_scenario_responder01_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.1.username %]@[% scenarios.0.responders.1.ip %]:[% scenarios.0.responders.1.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% lock_ported_scenarios_test.testuser1002.phone_number %]@lock-ported.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.1.username %]@lock-ported.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/timer_session_callee_only_supported/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/timer_session_callee_only_supported/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% scenarios.0.username %]@timer-session-callee-only-supported.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@timer-session-callee-only-supported.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/timer_session_caller_only_supported/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/timer_session_caller_only_supported/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% scenarios.0.username %]@timer-session-caller-only-supported.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@timer-session-caller-only-supported.scenarios.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios/timer_session_supported/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/timer_session_supported/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% scenarios.0.username %]@timer-session-supported.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@timer-session-supported.scenarios.test>'
  - 'CSeq: \d+ INVITE'
@ -39,7 +39,7 @@ messages:
 - - 'ACK sip:[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %];transport=UDP SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% scenarios.0.username %]@timer-session-supported.scenarios.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@timer-session-supported.scenarios.test>;tag=[\w-]+'
  - 'CSeq: \d+ ACK'
--- a/scenarios_lnp/incoming_peer/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios_lnp/incoming_peer/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% extra_info.phone_numbers.1 %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %];transport=udp SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% scenarios.0.username %]@incoming-peer.scenarios-lnp.test>;tag=[\w-]+'
  - 'To: <sip:[% extra_info.phone_numbers.1 %]@[% scenarios.0.ip %]>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios_lnp/invite/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios_lnp/invite/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% extra_info.phone_numbers.0 %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %];transport=udp SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_scenarios_lnp_test.testuser1002.phone_number %]@invite.scenarios-lnp.test>;tag=[\w-]+'
  - 'To: <sip:[% extra_info.phone_numbers.0 %]@[% scenarios.0.responders.0.ip %]>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios_lnp/invite_ncos_black/sipp_scenario_responder02_test.yml.tt2
+++ b/scenarios_lnp/invite_ncos_black/sipp_scenario_responder02_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% extra_info.phone_numbers.4 %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %];transport=udp SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_ncos_black_scenarios_lnp_test.testuser1002.phone_number %]@invite-ncos-black.scenarios-lnp.test>;tag=[\w-]+'
  - 'To: <sip:[% extra_info.phone_numbers.4 %]@[% scenarios.0.responders.0.ip %]>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios_lnp/invite_ncos_white/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios_lnp/invite_ncos_white/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% extra_info.phone_numbers.2 %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %];transport=udp SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_ncos_white_scenarios_lnp_test.testuser1002.phone_number %]@invite-ncos-white.scenarios-lnp.test>;tag=[\w-]+'
  - 'To: <sip:[% extra_info.phone_numbers.2 %]@[% scenarios.0.responders.0.ip %]>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios_lnp/invite_ncos_white/sipp_scenario_responder01_test.yml.tt2
+++ b/scenarios_lnp/invite_ncos_white/sipp_scenario_responder01_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% extra_info.phone_numbers.1 %]@[% scenarios.1.responders.0.ip %]:[% scenarios.1.responders.0.port %];transport=udp SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_ncos_white_scenarios_lnp_test.testuser1002.phone_number %]@invite-ncos-white.scenarios-lnp.test>;tag=[\w-]+'
  - 'To: <sip:[% extra_info.phone_numbers.1 %]@[% scenarios.0.responders.0.ip %]>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios_lnp/invite_peerout/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios_lnp/invite_peerout/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:0043test28881001;npdi@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %];transport=udp SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_peerout_scenarios_lnp_test.testuser1002.phone_number %]@invite-peerout.scenarios-lnp.test>;tag=[\w-]+'
  - 'To: <sip:0043test28881001;npdi@[% scenarios.0.responders.0.ip %]>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios_lnp/invite_peerout_rn/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios_lnp/invite_peerout_rn/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %];npdi;rn=004328881001@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %];transport=udp SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+>'
  - 'From: <sip:[% invite_peerout_rn_scenarios_lnp_test.testuser1002.phone_number %]@invite-peerout-rn.scenarios-lnp.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios_pbx/incoming_shared_line/sipp_scenario_responder02_test.yml.tt2
+++ b/scenarios_pbx/incoming_shared_line/sipp_scenario_responder02_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.2.responders.0.username %]@[% scenarios.2.responders.0.ip %]:[% scenarios.2.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+;ice_caller=strip;ice_callee=strip;aset=\d+;rtpprx=yes>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+;ice_caller=strip;ice_callee=strip;aset=\d+;rtpprx=yes>'
  - 'From: <sip:[% incoming_shared_line_scenarios_pbx_test.testuser1003.pbx_phone_number %]@incoming-shared-line.scenarios-pbx.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.username %]@incoming-shared-line.scenarios-pbx.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios_pbx/incoming_shared_line/sipp_scenario_responder03_test.yml.tt2
+++ b/scenarios_pbx/incoming_shared_line/sipp_scenario_responder03_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.2.responders.1.username %]@[% scenarios.2.responders.1.ip %]:[% scenarios.2.responders.1.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+;ice_caller=strip;ice_callee=strip;aset=\d+;rtpprx=yes>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+;ice_caller=strip;ice_callee=strip;aset=\d+;rtpprx=yes>'
  - 'From: <sip:[% incoming_shared_line_scenarios_pbx_test.testuser1003.pbx_phone_number %]@incoming-shared-line.scenarios-pbx.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.username %]@incoming-shared-line.scenarios-pbx.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios_pbx/invite/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios_pbx/invite/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+;ice_caller=strip;ice_callee=strip;aset=\d+;rtpprx=yes>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+;ice_caller=strip;ice_callee=strip;aset=\d+;rtpprx=yes>'
  - 'From: <sip:[% invite_scenarios_pbx_test.testuser1002.phone_number %]@invite.scenarios-pbx.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite.scenarios-pbx.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios_pbx/invite_alias/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios_pbx/invite_alias/sipp_scenario_responder00_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.0.responders.0.username %]@[% scenarios.0.responders.0.ip %]:[% scenarios.0.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+;ice_caller=strip;ice_callee=strip;aset=\d+;rtpprx=yes>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+;ice_caller=strip;ice_callee=strip;aset=\d+;rtpprx=yes>'
  - 'From: <sip:[% invite_alias_scenarios_pbx_test.testuser1002.phone_number %]@invite-alias.scenarios-pbx.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-alias.scenarios-pbx.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios_pbx/invite_alias_devid/sipp_scenario_responder02_test.yml.tt2
+++ b/scenarios_pbx/invite_alias_devid/sipp_scenario_responder02_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.2.devid %]@[% scenarios.2.responders.0.ip %]:[% scenarios.2.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+;ice_caller=strip;ice_callee=strip;aset=\d+;rtpprx=yes>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+;ice_caller=strip;ice_callee=strip;aset=\d+;rtpprx=yes>'
  - 'From: <sip:[% invite_alias_devid_scenarios_pbx_test.testuser1002.phone_number %]@invite-alias-devid.scenarios-pbx.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.2.devid %]@invite-alias-devid.scenarios-pbx.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios_pbx/invite_alias_devid_fulllookup/sipp_scenario_responder02_test.yml.tt2
+++ b/scenarios_pbx/invite_alias_devid_fulllookup/sipp_scenario_responder02_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.2.devid %]@[% scenarios.2.responders.0.ip %]:[% scenarios.2.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+;ice_caller=strip;ice_callee=strip;aset=\d+;rtpprx=yes>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+;ice_caller=strip;ice_callee=strip;aset=\d+;rtpprx=yes>'
  - 'From: <sip:[% invite_alias_devid_fulllookup_scenarios_pbx_test.testuser1002.phone_number %]@invite-alias-devid-fulllookup.scenarios-pbx.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.2.devid %]@invite-alias-devid-fulllookup.scenarios-pbx.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios_pbx/invite_shared_line/sipp_scenario_responder02_test.yml.tt2
+++ b/scenarios_pbx/invite_shared_line/sipp_scenario_responder02_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.2.responders.0.username %]@[% scenarios.2.responders.0.ip %]:[% scenarios.2.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+;ice_caller=strip;ice_callee=strip;aset=\d+;rtpprx=yes>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+;ice_caller=strip;ice_callee=strip;aset=\d+;rtpprx=yes>'
  - 'From: <sip:[% invite_shared_line_scenarios_pbx_test.testuser1002.phone_number %]@invite-shared-line.scenarios-pbx.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.2.responders.0.username %]@invite-shared-line.scenarios-pbx.test>'
  - 'CSeq: \d+ INVITE'
--- a/scenarios_pbx/invite_username_devid/sipp_scenario_responder02_test.yml.tt2
+++ b/scenarios_pbx/invite_username_devid/sipp_scenario_responder02_test.yml.tt2
@ -2,7 +2,7 @@ messages:
 - - 'INVITE sip:[% scenarios.2.responders.0.username %]@[% scenarios.2.responders.0.ip %]:[% scenarios.2.responders.0.port %] SIP/2.0'
  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=sip:[% server_ip %]:5060>'
-  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+;ice_caller=strip;ice_callee=strip;aset=\d+;rtpprx=yes>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;leg_b=1;did=[^;]+;ice_caller=strip;ice_callee=strip;aset=\d+;rtpprx=yes>'
  - 'From: <sip:[% invite_username_devid_scenarios_pbx_test.testuser1002.phone_number %]@invite-username-devid.scenarios-pbx.test>;tag=[\w-]+'
  - 'To: <sip:[% scenarios.0.username %]@invite-username-devid.scenarios-pbx.test>'
  - 'CSeq: \d+ INVITE'