TT#163700 Create new kamailio-config-test for missing features

* Adding tests for blind transfer (caller) * Adding tests for blind transfer (callee) Change-Id: Ia07993d5bebe8aee1fa203496d3f2b68a66261e4
4 years ago · 4c39965785
parent fabaf3f7f9
commit 4c39965785
19 changed files with 1700 additions and 3 deletions
--- a/scenarios_pbx/config.yml
+++ b/scenarios_pbx/config.yml
@ -1,7 +1,13 @@
+---
+b2b:
+  sbc:
+    xfer:
+      blind_immediate_release: yes
+      enable: yes
 kamailio:
  proxy:
-    allow_refer_method: 'yes'
+    allow_refer_method: yes
    presence:
-      enable: 'yes'
+      enable: yes
 pbx:
-  enable: 'yes'
+  enable: yes
--- a/scenarios_pbx/invite_xfer_blind_callee_immediat_rel/cdr_test.yml.tt2
+++ b/scenarios_pbx/invite_xfer_blind_callee_immediat_rel/cdr_test.yml.tt2
@ -0,0 +1,11 @@
+cdr:
+  - source_user: 'testuser1002'
+    source_domain: 'invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test'
+    source_cli: '[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]'
+    destination_user: 'testuser1003'
+    destination_domain: 'invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test'
+    destination_user_dialed: '[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1003.phone_number %]'
+    destination_user_in: '[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1003.phone_number %]'
+    call_type: 'call'
+    call_status: 'ok'
+    call_code: '200'
--- a/scenarios_pbx/invite_xfer_blind_callee_immediat_rel/media181sec.pcap
+++ b/scenarios_pbx/invite_xfer_blind_callee_immediat_rel/media181sec.pcap
@ -0,0 +1 @@
+../media181sec.pcap
--- a/scenarios_pbx/invite_xfer_blind_callee_immediat_rel/scenario.yml
+++ b/scenarios_pbx/invite_xfer_blind_callee_immediat_rel/scenario.yml
@ -0,0 +1,54 @@
+
+test_uuid: invite_xfer_blind_callee_immediat_rel_immediat_rel
+domains:
+  invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test:
+    reseller_id: 1
+customers:
+  'invite_xfer_blind_callee_immediat_rel.customerpbx.test':
+    contacts:
+      - email: "invite_xfer_blind_callee_immediat_rel.customerpbx.test@spce.test"
+        reseller_id: 1
+    details:
+      status: 'active'
+      type: 'pbxaccount'
+      billing_profile_id: 1
+      reseller_id: 1
+subscribers:
+  invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test:
+    testuser1002:
+      customer: 'invite_xfer_blind_callee_immediat_rel.customerpbx.test'
+      password: testuser
+      cc: 43
+      ac: 1
+      sn: 1002
+      is_pbx_pilot: 1
+      pbx_extension: 1002
+    testuser1003:
+      customer: 'invite_xfer_blind_callee_immediat_rel.customerpbx.test'
+      password: testuser
+      cc: 43
+      ac: 1
+      sn: 1003
+      is_pbx_pilot: 0
+      pbx_extension: 1003
+    testuser1004:
+      customer: 'invite_xfer_blind_callee_immediat_rel.customerpbx.test'
+      password: testuser
+      cc: 43
+      ac: 1
+      sn: 1004
+      is_pbx_pilot: 0
+      pbx_extension: 1004
+scenarios:
+  - ip: 127.126.0.1
+    username: testuser1002
+    domain: invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test
+    responders:
+      - ip: 127.1.0.1
+        username: testuser1003
+        domain: invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test
+        register: yes
+      - ip: 127.1.0.2
+        username: testuser1004
+        domain: invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test
+        register: yes
--- a/scenarios_pbx/invite_xfer_blind_callee_immediat_rel/sipp_scenario00.xml
+++ b/scenarios_pbx/invite_xfer_blind_callee_immediat_rel/sipp_scenario00.xml
@ -0,0 +1,222 @@
+<?xml version="1.0" encoding="ISO-8859-1" ?>
+
+<scenario name="Sipwise NGCP Benchmark UAC Caller">
+  <send start_rtd="1" start_rtd="2">
+    <![CDATA[
+
+      INVITE sip:[field5 file="callee.csv" line=0]@[field3 file="callee.csv" line=0] SIP/2.0
+      Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
+      From: <sip:[field0 file="caller.csv"]@[field2 file="caller.csv"]>;tag=[pid]SIPpTag00[call_number]
+      To: <sip:[field5 file="callee.csv" line=0]@[field3 file="callee.csv" line=0]>
+      Call-ID: NGCP%[field4 file="callee.csv" line=0]%///[call_id]
+      CSeq: 1 INVITE
+      Contact: sip:[field0 file="caller.csv"]@[local_ip]:[local_port]
+      Max-Forwards: 70
+      Content-Type: application/sdp
+      Content-Length: [len]
+
+      v=0
+      o=user1 53655765 2353687637 IN IP[local_ip_type] [local_ip]
+      s=-
+      c=IN IP[media_ip_type] [media_ip]
+      t=0 0
+      m=audio [media_port] RTP/AVP 8
+      a=rtpmap:8 PCMA/8000
+      a=ptime:50
+
+    ]]>
+  </send>
+
+  <recv response="100" rtd="1" optional="true">
+  </recv>
+
+  <recv response="407" rtd="2" auth="true"/>
+
+  <send>
+    <![CDATA[
+
+      ACK sip:[field5 file="callee.csv" line=0]@[field3 file="callee.csv" line=0]:[remote_port] SIP/2.0
+      [last_Via:]
+      From: <sip:[field0 file="caller.csv"]@[field2 file="caller.csv"]>;tag=[pid]SIPpTag00[call_number]
+      To: <sip:[field5 file="callee.csv" line=0]@[field3 file="callee.csv" line=0]>[peer_tag_param]
+      Call-ID: NGCP%[field4 file="callee.csv" line=0]%///[call_id]
+      CSeq: 1 ACK
+      Contact: sip:[field0 file="caller.csv"]@[local_ip]:[local_port]
+      Max-Forwards: 70
+      Content-Length: 0
+
+    ]]>
+  </send>
+
+  <pause milliseconds="500"/>
+
+  <send start_rtd="3">
+    <![CDATA[
+
+      INVITE sip:[field5 file="callee.csv" line=0]@[field3 file="callee.csv" line=0] SIP/2.0
+      Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
+      From: <sip:[field0 file="caller.csv"]@[field2 file="caller.csv"]>;tag=[pid]SIPpTag00[call_number]
+      To: <sip:[field5 file="callee.csv" line=0]@[field3 file="callee.csv" line=0]>
+      Call-ID: NGCP%[field4 file="callee.csv" line=0]%///[call_id]
+      CSeq: 2 INVITE
+      Contact: sip:[field0 file="caller.csv"]@[local_ip]:[local_port]
+      Max-Forwards: 70
+      [field1 file="caller.csv"]
+      Content-Type: application/sdp
+      Content-Length: [len]
+
+      v=0
+      o=user1 53655765 2353687637 IN IP[local_ip_type] [local_ip]
+      s=-
+      c=IN IP[media_ip_type] [media_ip]
+      t=0 0
+      m=audio [media_port] RTP/AVP 8
+      a=rtpmap:8 PCMA/8000
+      a=ptime:50
+
+    ]]>
+  </send>
+
+  <recv response="100" optional="true">
+  </recv>
+
+  <recv response="180" optional="true">
+  </recv>
+
+  <recv response="183" optional="true">
+  </recv>
+
+  <recv response="200" rrs="true" rtd="3">
+  </recv>
+
+  <send>
+    <![CDATA[
+
+      ACK [next_url] SIP/2.0
+      Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
+      From: <sip:[field0 file="caller.csv"]@[field2 file="caller.csv"]>;tag=[pid]SIPpTag00[call_number]
+      To: <sip:[field5 file="callee.csv" line=0]@[field3 file="callee.csv" line=0]>[peer_tag_param]
+      Call-ID: NGCP%[field4 file="callee.csv" line=0]%///[call_id]
+      [routes]
+      CSeq: 2 ACK
+      Contact: sip:[field0 file="caller.csv"]@[local_ip]:[local_port]
+      Max-Forwards: 70
+      Content-Length: 0
+
+    ]]>
+  </send>
+
+  <!-- CALL IS UP -->
+
+  <recv request="INVITE" crlf="true" rtd="true">
+  </recv>
+
+  <send>
+    <![CDATA[
+
+      SIP/2.0 200 OK
+      [last_Via:]
+      [last_From:]
+      [last_To:]
+      [last_Call-ID:]
+      [last_CSeq:]
+      [last_Record-Route:]
+      [last_Route:]
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
+      Content-Type: application/sdp
+      Content-Length: [len]
+
+      v=0
+      o=user1 53655766 2353687638 IN IP[local_ip_type] [local_ip]
+      s=-
+      c=IN IP[media_ip_type] [media_ip]
+      t=0 0
+      m=audio [media_port] RTP/AVP 8
+      a=rtpmap:8 PCMA/8000
+      a=ptime:50
+      a=recvonly
+
+    ]]>
+  </send>
+
+  <recv request="ACK" crlf="true">
+  </recv>
+
+  <!-- CALLER IS ON HOLD -->
+
+  <recv request="INVITE" crlf="true" rtd="true">
+  </recv>
+
+  <send>
+    <![CDATA[
+
+      SIP/2.0 200 OK
+      [last_Via:]
+      [last_From:]
+      [last_To:]
+      [last_Call-ID:]
+      [last_CSeq:]
+      [last_Record-Route:]
+      [last_Route:]
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
+      Content-Type: application/sdp
+      Content-Length: [len]
+
+      v=0
+      o=user1 53655767 2353687639 IN IP[local_ip_type] [local_ip]
+      s=-
+      c=IN IP[media_ip_type] [media_ip]
+      t=0 0
+      m=audio [media_port] RTP/AVP 8
+      a=rtpmap:8 PCMA/8000
+      a=ptime:50
+      a=sendrecv
+
+    ]]>
+  </send>
+
+  <recv request="ACK" crlf="true">
+  </recv>
+
+  <!-- CALLER IS OFF HOLD -->
+
+  <pause milliseconds="500"/>
+  <nop>
+    <action>
+      <exec play_pcap_audio="media181sec.pcap"/>
+    </action>
+  </nop>
+
+  <pause milliseconds="1500"/>
+
+  <!-- SEND BYE -->
+
+  <send start_rtd="4">
+    <![CDATA[
+
+      BYE [next_url] SIP/2.0
+      Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
+      From: <sip:[field0 file="caller.csv"]@[field2 file="caller.csv"]>;tag=[pid]SIPpTag00[call_number]
+      To: <sip:[field5 file="callee.csv" line=0]@[field3 file="callee.csv" line=0]>[peer_tag_param]
+      Call-ID: NGCP%[field4 file="callee.csv" line=0]%///[call_id]
+      CSeq: 3 BYE
+      Contact: sip:[field0 file="caller.csv"]@[local_ip]:[local_port]
+      [routes]
+      Max-Forwards: 70
+      Content-Length: 0
+
+    ]]>
+  </send>
+
+  <recv response="100" optional="true">
+  </recv>
+
+  <recv response="200" crlf="true" rtd="4">
+  </recv>
+
+  <ResponseTimeRepartition value="10, 20, 30, 40, 50, 100, 150, 200, 500, 1000"/>
+
+<!-- <CallLengthRepartition value="10, 50, 100, 500, 1000, 5000, 10000"/> -->
+
+</scenario>
+
--- a/scenarios_pbx/invite_xfer_blind_callee_immediat_rel/sipp_scenario00_test.yml.tt2
+++ b/scenarios_pbx/invite_xfer_blind_callee_immediat_rel/sipp_scenario00_test.yml.tt2
@ -0,0 +1,120 @@
+messages:
+- - 'SIP/2.0 100 Trying'
+  - 'From: <sip:[% scenarios.0.username %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>'
+  - 'CSeq: \d+ INVITE'
+  - 'Server: Sipwise NGCP LB'
+  - 'Content-Length: 0'
+- - 'SIP/2.0 407 Proxy Authentication Required'
+  - 'From: <sip:[% scenarios.0.username %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ INVITE'
+  - 'Proxy-Authenticate: Digest realm="invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test", nonce="[^"]+"'
+  - 'Server: Sipwise NGCP Proxy'
+  - 'Content-Length: 0'
+- - 'SIP/2.0 100 Trying'
+  - 'From: <sip:[% scenarios.0.username %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>'
+  - 'CSeq: \d+ INVITE'
+  - 'Server: Sipwise NGCP LB'
+  - 'Content-Length: 0'
+- - 'SIP/2.0 180 Ringing'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+;ice_caller=strip;ice_callee=strip;aset=\d+;rtpprx=yes;vsf=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;nat=yes;socket=udp:[% server_ip %]:5060>'
+  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;nat=yes;socket=udp:[% server_ip %]:5060>'
+  - 'From: <sip:[% scenarios.0.username %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ INVITE'
+  - 'Content-Length: 0'
+  - 'P-Asserted-Identity: "[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]" <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+- - 'SIP/2.0 200 OK'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+;ice_caller=strip;ice_callee=strip;aset=\d+;rtpprx=yes;vsf=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;nat=yes;socket=udp:[% server_ip %]:5060>'
+  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;nat=yes;socket=udp:[% server_ip %]:5060>'
+  - 'From: <sip:[% scenarios.0.username %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ INVITE'
+  - 'Content-Type: application/sdp'
+  - 'Content-Length: \d+'
+  - 'P-Asserted-Identity: "[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]" <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+  - 'v=0'
+  - 'o=user1 \d+ \d+ IN IP4 [% server_ip %]'
+  - 's=-'
+  - 'c=IN IP4 [% server_ip %]'
+  - 't=0 0'
+  - 'm=audio \d+ RTP/AVP 8'
+  - 'a=rtpmap:8 PCMA/8000'
+  - 'a=sendrecv'
+  - 'a=rtcp:\d+'
+  - 'a=ptime:50'
+- - 'INVITE sip:[% scenarios.0.username %]@[% scenarios.0.ip %]:[% scenarios.0.port %] SIP/2.0'
+  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=udp:[% server_ip %]:5060>'
+  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=udp:[% server_ip %]:5060>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+;vsf=[^;]+;rtpprx=yes;ice_caller=strip;ice_callee=strip;aset=\d+>'
+  - 'From: <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.username %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ INVITE'
+  - 'Content-Type: application/sdp'
+  - 'Content-Length: \d+'
+  - 'P-Asserted-Identity: "[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]" <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+  - 'v=0'
+  - 'o=user1 \d+ \d+ IN IP4 [% server_ip %]'
+  - 's=-'
+  - 'c=IN IP4 [% server_ip %]'
+  - 't=0 0'
+  - 'm=audio \d+ RTP/AVP 8'
+  - 'a=rtpmap:8 PCMA/8000'
+  - 'a=sendonly'
+  - 'a=rtcp:\d+'
+  - 'a=ptime:50'
+- - 'ACK sip:[% scenarios.0.ip %]:[% scenarios.0.port %];transport=UDP SIP/2.0'
+  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=udp:[% server_ip %]:5060>'
+  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=udp:[% server_ip %]:5060>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+;vsf=[^;]+;rtpprx=yes;ice_caller=strip;ice_callee=strip;aset=\d+>'
+  - 'From: <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.username %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ ACK'
+  - 'Content-Length: 0'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+- - 'INVITE sip:[% scenarios.0.ip %]:[% scenarios.0.port %];transport=UDP SIP/2.0'
+  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=udp:[% server_ip %]:5060>'
+  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=udp:[% server_ip %]:5060>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+;vsf=[^;]+;rtpprx=yes;ice_caller=strip;ice_callee=strip;aset=\d+>'
+  - 'From: <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.username %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ INVITE'
+  - 'Content-Type: application/sdp'
+  - 'Content-Length: \d+'
+  - 'P-Asserted-Identity: "[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]" <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+  - 'v=0'
+  - 'o=user1 \d+ \d+ IN IP4 [% server_ip %]'
+  - 's=-'
+  - 'c=IN IP4 [% server_ip %]'
+  - 't=0 0'
+  - 'm=audio \d+ RTP/AVP 8'
+  - 'a=rtpmap:8 PCMA/8000'
+  - 'a=sendrecv'
+  - 'a=rtcp:\d+'
+  - 'a=ptime:50'
+- - 'ACK sip:[% scenarios.0.ip %]:[% scenarios.0.port %];transport=UDP SIP/2.0'
+  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=udp:[% server_ip %]:5060>'
+  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=udp:[% server_ip %]:5060>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+;vsf=[^;]+;rtpprx=yes;ice_caller=strip;ice_callee=strip;aset=\d+>'
+  - 'From: <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.username %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ ACK'
+  - 'Content-Length: 0'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+- - 'SIP/2.0 200 OK'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;vsf=[^;]+;rtpprx=yes>'
+  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;nat=yes;socket=udp:[% server_ip %]:5060>'
+  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;nat=yes;socket=udp:[% server_ip %]:5060>'
+  - 'From: <sip:[% scenarios.0.username %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ BYE'
+  - 'Content-Length: 0'
+  - 'P-Asserted-Identity: "[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]" <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>'
--- a/scenarios_pbx/invite_xfer_blind_callee_immediat_rel/sipp_scenario_responder00.xml
+++ b/scenarios_pbx/invite_xfer_blind_callee_immediat_rel/sipp_scenario_responder00.xml
@ -0,0 +1,175 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+
+<scenario name="Sipwise NGCP Benchmark UAS Responder">
+
+  <recv request="INVITE" crlf="true" rtd="true">
+  </recv>
+
+  <send>
+    <![CDATA[
+
+      SIP/2.0 180 Ringing
+      [last_Via:]
+      [last_From:]
+      [last_To:];tag=[pid]SIPpTag01[call_number]
+      [last_Call-ID:]
+      [last_CSeq:]
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
+      Content-Length: 0
+
+    ]]>
+  </send>
+
+  <pause milliseconds="500"/>
+
+  <send>
+    <![CDATA[
+
+      SIP/2.0 200 OK
+      [last_Via:]
+      [last_From:]
+      [last_To:];tag=[pid]SIPpTag01[call_number]
+      [last_Call-ID:]
+      [last_CSeq:]
+      [last_Record-Route:]
+      [last_Route:]
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
+      Content-Type: application/sdp
+      Content-Length: [len]
+
+      v=0
+      o=user1 53655765 2353687637 IN IP[local_ip_type] [local_ip]
+      s=-
+      c=IN IP[media_ip_type] [media_ip]
+      t=0 0
+      m=audio [media_port] RTP/AVP 8
+      a=rtpmap:8 PCMA/8000
+      a=ptime:50
+
+    ]]>
+  </send>
+
+  <recv request="ACK" crlf="true" rtd="true" rrs="true">
+    <action>
+      <ereg regexp=".*" search_in="hdr" header="From:" assign_to="1" />
+      <ereg regexp=".*" search_in="hdr" header="To:" assign_to="2" />
+      <ereg regexp="Contact: &lt;(.*)&gt;" search_in="msg" assign_to="3,4" />
+    </action>
+  </recv>
+
+  <!-- CALL IS UP -->
+
+  <pause milliseconds="500"/>
+  <nop>
+    <action>
+      <exec play_pcap_audio="media181sec.pcap"/>
+    </action>
+  </nop>
+
+  <!-- PUT CALLER ON HOLD -->
+
+  <pause milliseconds="500"/>
+
+  <send>
+    <![CDATA[
+
+      INVITE [$4] SIP/2.0
+      [last_Via:]
+      From: [$2]
+      To: [$1]
+      [last_Call-ID:]
+      [routes]
+      CSeq: 5 INVITE
+      Contact: sip:[field0 file="caller.csv"]@[local_ip]:[local_port]
+      Max-Forwards: 70
+      Content-Type: application/sdp
+      Content-Length: [len]
+      Test: [$3]
+
+      v=0
+      o=user1 53655766 2353687638 IN IP[local_ip_type] [local_ip]
+      s=-
+      c=IN IP[media_ip_type] [media_ip]
+      t=0 0
+      m=audio [media_port] RTP/AVP 8
+      a=rtpmap:8 PCMA/8000
+      a=ptime:50
+      a=sendonly
+
+    ]]>
+  </send>
+
+  <recv response="100" optional="true">
+  </recv>
+
+  <recv response="200" rtd="true" rrs="true" rtd="3">
+  </recv>
+
+  <send>
+    <![CDATA[
+
+      ACK [next_url] SIP/2.0
+      Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
+      [last_From:]
+      [last_To:]
+      [last_Call-ID:]
+      [routes]
+      CSeq: 5 ACK
+      Contact: sip:[field0 file="caller.csv"]@[local_ip]:[local_port]
+      Max-Forwards: 70
+      Content-Length: 0
+
+    ]]>
+  </send>
+
+  <pause milliseconds="500"/>
+
+  <!-- XFER START -->
+
+  <send start_rtd="4" start_rtd="5">
+
+    <![CDATA[
+
+      REFER [next_url] SIP/2.0
+      [last_Via:]
+      [last_From:]
+      [last_To:]
+      [last_Call-ID:]
+      [routes]
+      CSeq: 6 REFER
+      Contact: sip:[field0 file="callee.csv"]@[local_ip]:[local_port]
+      Max-Forwards: 70
+      Refer-To: <sip:[field5 file="callee.csv" line=1]@[field3 file="callee.csv" line=1]>
+      Referred-By:  <sip:[field0 file="caller.csv"]@[field2 file="caller.csv"]>
+      Content-Length: 0
+
+    ]]>
+  </send>
+
+  <recv response="202" rrs="true" rtd="4">
+  </recv>
+
+  <!-- XFER COMPLETED -->
+
+  <recv request="BYE" rrs="true" rtd="5">
+  </recv>
+
+  <send>
+    <![CDATA[
+
+      SIP/2.0 200 OK
+      [last_Via:]
+      [last_From:]
+      [last_To:]
+      [last_Call-ID:]
+      [last_CSeq:]
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
+      Content-Length: [len]
+
+    ]]>
+  </send>
+
+  <ResponseTimeRepartition value="10, 20, 30, 40, 50, 100, 150, 200"/>
+  <CallLengthRepartition value="10, 50, 100, 500, 1000, 5000, 10000"/>
+
+</scenario>
--- a/scenarios_pbx/invite_xfer_blind_callee_immediat_rel/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios_pbx/invite_xfer_blind_callee_immediat_rel/sipp_scenario_responder00_test.yml.tt2
@ -0,0 +1,73 @@
+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=[^;]+;leg_b=1;did=[^;]+;ice_caller=strip;ice_callee=strip;aset=\d+;rtpprx=yes>'
+  - 'From: <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>'
+  - 'CSeq: \d+ INVITE'
+  - 'P-Asserted-Identity: <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>'
+  - 'Content-Type: application/sdp'
+  - 'Content-Length: \d+'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+  - 'v=0'
+  - 'o=user1 \d+ \d+ IN IP4 [% server_ip %]'
+  - 's=-'
+  - 'c=IN IP4 [% server_ip %]'
+  - 't=0 0'
+  - 'm=audio \d+ RTP/AVP 8'
+  - 'a=rtpmap:8 PCMA/8000'
+  - 'a=sendrecv'
+  - 'a=rtcp:\d+'
+  - 'a=ptime:50'
+- - '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=[^;]+;rtpprx=yes;ice_callee=strip;ice_caller=strip;aset=\d+>'
+  - 'From: <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ ACK'
+  - 'Content-Length: 0'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+- - 'SIP/2.0 100 Trying'
+  - 'From:  <sip:[% scenarios.0.responders.0.username %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To:  <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ INVITE'
+  - 'Server: Sipwise NGCP LB'
+  - 'Content-Length: 0'
+- - 'SIP/2.0 200 OK'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+;rtpprx=yes;ice_caller=strip;ice_callee=strip;aset=\d+>'
+  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;nat=yes;socket=udp:[% server_ip %]:5060>'
+  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;nat=yes;socket=udp:[% server_ip %]:5060>'
+  - 'From: <sip:[% scenarios.0.responders.0.username %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ INVITE'
+  - 'Content-Type: application/sdp'
+  - 'Content-Length: \d+'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+  - 'v=0'
+  - 'o=user1 \d+ \d+ IN IP4 [% server_ip %]'
+  - 's=-'
+  - 'c=IN IP4 [% server_ip %]'
+  - 't=0 0'
+  - 'm=audio \d+ RTP/AVP 8'
+  - 'a=rtpmap:8 PCMA/8000'
+  - 'a=recvonly'
+  - 'a=rtcp:\d+'
+  - 'a=ptime:50'
+- - 'SIP/2.0 202 Accepted'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+;rtpprx=yes;xfer=yes;ice_caller=strip;ice_callee=strip;aset=\d+>'
+  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;nat=yes;socket=udp:[% server_ip %]:5060>'
+  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;nat=yes;socket=udp:[% server_ip %]:5060>'
+  - 'From: <sip:[% scenarios.0.responders.0.username %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ REFER'
+  - 'Content-Length: 0'
+- - 'BYE sip:[% scenarios.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=[^;]+;rtpprx=yes>'
+  - 'From: <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ BYE'
+  - 'Content-Length: 0'
--- a/scenarios_pbx/invite_xfer_blind_callee_immediat_rel/sipp_scenario_responder01.xml
+++ b/scenarios_pbx/invite_xfer_blind_callee_immediat_rel/sipp_scenario_responder01.xml
@ -0,0 +1,112 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+
+<scenario name="Sipwise NGCP Benchmark UAS Responder">
+
+  <recv request="INVITE" crlf="true" rtd="true">
+  </recv>
+
+  <send>
+    <![CDATA[
+
+      SIP/2.0 180 Ringing
+      [last_Via:]
+      [last_From:]
+      [last_To:];tag=[pid]SIPpTag01[call_number]
+      [last_Call-ID:]
+      [last_CSeq:]
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
+      Content-Length: 0
+
+    ]]>
+  </send>
+
+  <pause milliseconds="500"/>
+
+  <send>
+    <![CDATA[
+
+      SIP/2.0 200 OK
+      [last_Via:]
+      [last_From:]
+      [last_To:];tag=[pid]SIPpTag01[call_number]
+      [last_Call-ID:]
+      [last_CSeq:]
+      [last_Record-Route:]
+      [last_Route:]
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
+      Content-Type: application/sdp
+      Content-Length: [len]
+
+      v=0
+      o=user1 53655765 2353687637 IN IP[local_ip_type] [local_ip]
+      s=-
+      c=IN IP[media_ip_type] [media_ip]
+      t=0 0
+      m=audio [media_port] RTP/AVP 8
+      a=rtpmap:8 PCMA/8000
+      a=ptime:50
+
+    ]]>
+  </send>
+
+  <recv request="ACK"
+        crlf="true">
+  </recv>
+
+  <recv request="INVITE" crlf="true" rtd="true">
+  </recv>
+
+  <send>
+    <![CDATA[
+
+      SIP/2.0 200 OK
+      [last_Via:]
+      [last_From:]
+      [last_To:];tag=[pid]SIPpTag01[call_number]
+      [last_Call-ID:]
+      [last_CSeq:]
+      [last_Record-Route:]
+      [last_Route:]
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
+      Content-Type: application/sdp
+      Content-Length: [len]
+
+      v=0
+      o=user1 53655765 2353687637 IN IP[local_ip_type] [local_ip]
+      s=-
+      c=IN IP[media_ip_type] [media_ip]
+      t=0 0
+      m=audio [media_port] RTP/AVP 8
+      a=rtpmap:8 PCMA/8000
+      a=ptime:50
+
+    ]]>
+  </send>
+
+  <recv request="ACK"
+        crlf="true">
+  </recv>
+
+  <recv request="BYE">
+  </recv>
+
+  <send>
+    <![CDATA[
+
+      SIP/2.0 200 OK
+      [last_Via:]
+      [last_From:]
+      [last_To:]
+      [last_Call-ID:]
+      [last_CSeq:]
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
+      Content-Length: [len]
+
+    ]]>
+  </send>
+
+  <ResponseTimeRepartition value="10, 20, 30, 40, 50, 100, 150, 200"/>
+  <CallLengthRepartition value="10, 50, 100, 500, 1000, 5000, 10000"/>
+
+</scenario>
+
--- a/scenarios_pbx/invite_xfer_blind_callee_immediat_rel/sipp_scenario_responder01_test.yml.tt2
+++ b/scenarios_pbx/invite_xfer_blind_callee_immediat_rel/sipp_scenario_responder01_test.yml.tt2
@ -0,0 +1,70 @@
+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=[^;]+;leg_b=1;did=[^;]+;ice_caller=strip;ice_callee=strip;aset=\d+;rtpprx=yes>'
+  - 'From: <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.responders.1.username %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>'
+  - 'CSeq: \d+ INVITE'
+  - 'P-Asserted-Identity: <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>'
+  - 'Content-Type: application/sdp'
+  - 'Content-Length: \d+'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+  - 'v=0'
+  - 'o=user1 \d+ \d+ IN IP4 [% server_ip %]'
+  - 's=-'
+  - 'c=IN IP4 [% server_ip %]'
+  - 't=0 0'
+  - 'm=audio \d+ RTP/AVP 8'
+  - 'a=rtpmap:8 PCMA/8000'
+  - 'a=sendrecv'
+  - 'a=rtcp:\d+'
+  - 'a=ptime:50'
+- - 'ACK sip:[% 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;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=[^;]+;rtpprx=yes;ice_callee=strip;ice_caller=strip;aset=\d+>'
+  - 'From: <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.responders.1.username %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ ACK'
+  - 'Content-Length: 0'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+- - 'INVITE sip:[% 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;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=[^;]+;rtpprx=yes;ice_callee=strip;ice_caller=strip;aset=\d+>'
+  - 'From: <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.responders.1.username %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ INVITE'
+  - 'P-Asserted-Identity: <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>'
+  - 'Content-Type: application/sdp'
+  - 'Content-Length: \d+'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+  - 'v=0'
+  - 'o=user1 \d+ \d+ IN IP4 [% server_ip %]'
+  - 's=-'
+  - 'c=IN IP4 [% server_ip %]'
+  - 't=0 0'
+  - 'm=audio \d+ RTP/AVP 8'
+  - 'a=rtpmap:8 PCMA/8000'
+  - 'a=sendrecv'
+  - 'a=rtcp:\d+'
+  - 'a=ptime:50'
+- - 'ACK sip:[% 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;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=[^;]+;rtpprx=yes;ice_callee=strip;ice_caller=strip;aset=\d+>'
+  - 'From: <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.responders.1.username %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ ACK'
+  - 'Content-Length: 0'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+- - 'BYE sip:[% 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;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=[^;]+;rtpprx=yes>'
+  - 'From: <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.responders.1.username %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ BYE'
+  - 'P-Asserted-Identity: <sip:[% invite_xfer_blind_callee_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-callee-immediat-rel.scenarios-pbx.test>'
+  - 'Content-Length: 0'
--- a/scenarios_pbx/invite_xfer_blind_caller_immediat_rel/cdr_test.yml.tt2
+++ b/scenarios_pbx/invite_xfer_blind_caller_immediat_rel/cdr_test.yml.tt2
@ -0,0 +1,11 @@
+cdr:
+  - source_user: 'testuser1002'
+    source_domain: 'invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test'
+    source_cli: '[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]'
+    destination_user: 'testuser1003'
+    destination_domain: 'invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test'
+    destination_user_dialed: '[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1003.phone_number %]'
+    destination_user_in: '[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1003.phone_number %]'
+    call_type: 'call'
+    call_status: 'ok'
+    call_code: '200'
--- a/scenarios_pbx/invite_xfer_blind_caller_immediat_rel/media181sec.pcap
+++ b/scenarios_pbx/invite_xfer_blind_caller_immediat_rel/media181sec.pcap
@ -0,0 +1 @@
+../media181sec.pcap
--- a/scenarios_pbx/invite_xfer_blind_caller_immediat_rel/scenario.yml
+++ b/scenarios_pbx/invite_xfer_blind_caller_immediat_rel/scenario.yml
@ -0,0 +1,53 @@
+test_uuid: invite_xfer_blind_caller_immediat_rel_immediat_rel
+domains:
+  invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test:
+    reseller_id: 1
+customers:
+  'invite_xfer_blind_caller_immediat_rel.customerpbx.test':
+    contacts:
+      - email: "invite_xfer_blind_caller_immediat_rel.customerpbx.test@spce.test"
+        reseller_id: 1
+    details:
+      status: 'active'
+      type: 'pbxaccount'
+      billing_profile_id: 1
+      reseller_id: 1
+subscribers:
+  invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test:
+    testuser1002:
+      customer: 'invite_xfer_blind_caller_immediat_rel.customerpbx.test'
+      password: testuser
+      cc: 43
+      ac: 1
+      sn: 1002
+      is_pbx_pilot: 1
+      pbx_extension: 1002
+    testuser1003:
+      customer: 'invite_xfer_blind_caller_immediat_rel.customerpbx.test'
+      password: testuser
+      cc: 43
+      ac: 1
+      sn: 1003
+      is_pbx_pilot: 0
+      pbx_extension: 1003
+    testuser1004:
+      customer: 'invite_xfer_blind_caller_immediat_rel.customerpbx.test'
+      password: testuser
+      cc: 43
+      ac: 1
+      sn: 1004
+      is_pbx_pilot: 0
+      pbx_extension: 1004
+scenarios:
+  - ip: 127.126.0.1
+    username: testuser1002
+    domain: invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test
+    responders:
+      - ip: 127.1.0.1
+        username: testuser1003
+        domain: invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test
+        register: yes
+      - ip: 127.1.0.2
+        username: testuser1004
+        domain: invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test
+        register: yes
--- a/scenarios_pbx/invite_xfer_blind_caller_immediat_rel/sipp_scenario00.xml
+++ b/scenarios_pbx/invite_xfer_blind_caller_immediat_rel/sipp_scenario00.xml
@ -0,0 +1,225 @@
+<?xml version="1.0" encoding="ISO-8859-1" ?>
+
+<scenario name="Sipwise NGCP Benchmark UAC Caller">
+  <send start_rtd="1" start_rtd="2">
+    <![CDATA[
+
+      INVITE sip:[field5 file="callee.csv" line=0]@[field3 file="callee.csv" line=0] SIP/2.0
+      Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
+      From: <sip:[field0 file="caller.csv"]@[field2 file="caller.csv"]>;tag=[pid]SIPpTag00[call_number]
+      To: <sip:[field5 file="callee.csv" line=0]@[field3 file="callee.csv" line=0]>
+      Call-ID: NGCP%[field4 file="callee.csv" line=0]%///[call_id]
+      CSeq: 1 INVITE
+      Contact: sip:[field0 file="caller.csv"]@[local_ip]:[local_port]
+      Max-Forwards: 70
+      Content-Type: application/sdp
+      Content-Length: [len]
+
+      v=0
+      o=user1 53655765 2353687637 IN IP[local_ip_type] [local_ip]
+      s=-
+      c=IN IP[media_ip_type] [media_ip]
+      t=0 0
+      m=audio [media_port] RTP/AVP 8
+      a=rtpmap:8 PCMA/8000
+      a=ptime:50
+
+    ]]>
+  </send>
+
+  <recv response="100" rtd="1" optional="true">
+  </recv>
+
+  <recv response="407" rtd="2" auth="true"/>
+
+  <send>
+    <![CDATA[
+
+      ACK sip:[field5 file="callee.csv" line=0]@[field3 file="callee.csv" line=0]:[remote_port] SIP/2.0
+      [last_Via:]
+      From: <sip:[field0 file="caller.csv"]@[field2 file="caller.csv"]>;tag=[pid]SIPpTag00[call_number]
+      To: <sip:[field5 file="callee.csv" line=0]@[field3 file="callee.csv" line=0]>[peer_tag_param]
+      Call-ID: NGCP%[field4 file="callee.csv" line=0]%///[call_id]
+      CSeq: 1 ACK
+      Contact: sip:[field0 file="caller.csv"]@[local_ip]:[local_port]
+      Max-Forwards: 70
+      Content-Length: 0
+
+    ]]>
+  </send>
+
+  <pause milliseconds="500"/>
+
+  <send start_rtd="3">
+    <![CDATA[
+
+      INVITE sip:[field5 file="callee.csv" line=0]@[field3 file="callee.csv" line=0] SIP/2.0
+      Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
+      From: <sip:[field0 file="caller.csv"]@[field2 file="caller.csv"]>;tag=[pid]SIPpTag00[call_number]
+      To: <sip:[field5 file="callee.csv" line=0]@[field3 file="callee.csv" line=0]>
+      Call-ID: NGCP%[field4 file="callee.csv" line=0]%///[call_id]
+      CSeq: 2 INVITE
+      Contact: sip:[field0 file="caller.csv"]@[local_ip]:[local_port]
+      Max-Forwards: 70
+      [field1 file="caller.csv"]
+      Content-Type: application/sdp
+      Content-Length: [len]
+
+      v=0
+      o=user1 53655765 2353687637 IN IP[local_ip_type] [local_ip]
+      s=-
+      c=IN IP[media_ip_type] [media_ip]
+      t=0 0
+      m=audio [media_port] RTP/AVP 8
+      a=rtpmap:8 PCMA/8000
+      a=ptime:50
+
+    ]]>
+  </send>
+
+  <recv response="100" optional="true">
+  </recv>
+
+  <recv response="180" optional="true">
+  </recv>
+
+  <recv response="183" optional="true">
+  </recv>
+
+  <recv response="200" rrs="true" rtd="3">
+  </recv>
+
+  <send>
+    <![CDATA[
+
+      ACK [next_url] SIP/2.0
+      Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
+      From: <sip:[field0 file="caller.csv"]@[field2 file="caller.csv"]>;tag=[pid]SIPpTag00[call_number]
+      To: <sip:[field5 file="callee.csv" line=0]@[field3 file="callee.csv" line=0]>[peer_tag_param]
+      Call-ID: NGCP%[field4 file="callee.csv" line=0]%///[call_id]
+      [routes]
+      CSeq: 2 ACK
+      Contact: sip:[field0 file="caller.csv"]@[local_ip]:[local_port]
+      Max-Forwards: 70
+      Content-Length: 0
+
+    ]]>
+  </send>
+
+  <!-- CALL IS UP -->
+
+  <pause milliseconds="500"/>
+  <nop>
+    <action>
+      <exec play_pcap_audio="media181sec.pcap"/>
+    </action>
+  </nop>
+
+  <pause milliseconds="1000"/>
+
+  <!-- PUT CALLEE ON HOLD -->
+
+  <send start_rtd="4">
+    <![CDATA[
+
+      INVITE [next_url] SIP/2.0
+      [last_Via:]
+      [last_From:]
+      [last_To:]
+      [last_Call-ID:]
+      CSeq: 3 INVITE
+      [routes]
+      Contact: sip:[field0 file="caller.csv"]@[local_ip]:[local_port]
+      Max-Forwards: 70
+      [field1 file="caller.csv"]
+      Content-Type: application/sdp
+      Content-Length: [len]
+
+      v=0
+      o=user1 53655766 2353687638 IN IP[local_ip_type] [local_ip]
+      s=-
+      c=IN IP[media_ip_type] [media_ip]
+      t=0 0
+      m=audio [media_port] RTP/AVP 8
+      a=rtpmap:8 PCMA/8000
+      a=ptime:50
+      a=sendonly
+
+    ]]>
+  </send>
+
+  <recv response="100" optional="true">
+  </recv>
+
+  <recv response="200" rrs="true" rtd="4">
+  </recv>
+
+  <send>
+    <![CDATA[
+
+      ACK [next_url] SIP/2.0
+      [last_Via:]
+      [last_From:]
+      [last_To:]
+      [last_Call-ID:]
+      [routes]
+      CSeq: 3 ACK
+      Contact: sip:[field0 file="caller.csv"]@[local_ip]:[local_port]
+      Max-Forwards: 70
+      Content-Length: 0
+
+    ]]>
+  </send>
+
+  <pause milliseconds="500"/>
+
+  <!-- XFER START -->
+
+  <send start_rtd="5" start_rtd="6">
+    <![CDATA[
+
+      REFER [next_url] SIP/2.0
+      [last_Via:]
+      [last_From:]
+      [last_To:]
+      [last_Call-ID:]
+      [routes]
+      CSeq: 4 REFER
+      Contact: sip:[field0 file="caller.csv"]@[local_ip]:[local_port]
+      Max-Forwards: 70
+      Refer-To: <sip:[field5 file="callee.csv" line=1]@[field3 file="callee.csv" line=0]>
+      Referred-By:  <sip:[field0 file="caller.csv"]@[field2 file="caller.csv"]>
+      Content-Length: 0
+
+    ]]>
+  </send>
+
+  <recv response="202" rrs="true" rtd="5">
+  </recv>
+
+  <!-- XFER COMPLETED -->
+
+  <recv request="BYE" rrs="true" rtd="6">
+  </recv>
+
+  <send>
+    <![CDATA[
+
+      SIP/2.0 200 OK
+      [last_Via:]
+      [last_From:]
+      [last_To:]
+      [last_Call-ID:]
+      [last_CSeq:]
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
+      Content-Length: [len]
+
+    ]]>
+  </send>
+
+  <ResponseTimeRepartition value="10, 20, 30, 40, 50, 100, 150, 200, 500, 1000"/>
+
+<!-- <CallLengthRepartition value="10, 50, 100, 500, 1000, 5000, 10000"/> -->
+
+</scenario>
+
--- a/scenarios_pbx/invite_xfer_blind_caller_immediat_rel/sipp_scenario00_test.yml.tt2
+++ b/scenarios_pbx/invite_xfer_blind_caller_immediat_rel/sipp_scenario00_test.yml.tt2
@ -0,0 +1,96 @@
+messages:
+- - 'SIP/2.0 100 Trying'
+  - 'From: <sip:[% scenarios.0.username %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>'
+  - 'CSeq: \d+ INVITE'
+  - 'Server: Sipwise NGCP LB'
+  - 'Content-Length: 0'
+- - 'SIP/2.0 407 Proxy Authentication Required'
+  - 'From: <sip:[% scenarios.0.username %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ INVITE'
+  - 'Proxy-Authenticate: Digest realm="invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test", nonce="[^"]+"'
+  - 'Server: Sipwise NGCP Proxy'
+  - 'Content-Length: 0'
+- - 'SIP/2.0 100 Trying'
+  - 'From: <sip:[% scenarios.0.username %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>'
+  - 'CSeq: \d+ INVITE'
+  - 'Server: Sipwise NGCP LB'
+  - 'Content-Length: 0'
+- - 'SIP/2.0 180 Ringing'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+;ice_caller=strip;ice_callee=strip;aset=\d+;rtpprx=yes;vsf=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;nat=yes;socket=udp:[% server_ip %]:5060>'
+  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;nat=yes;socket=udp:[% server_ip %]:5060>'
+  - 'From: <sip:[% scenarios.0.username %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ INVITE'
+  - 'Content-Length: 0'
+  - 'P-Asserted-Identity: "[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]" <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+- - 'SIP/2.0 200 OK'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+;ice_caller=strip;ice_callee=strip;aset=\d+;rtpprx=yes;vsf=[^;]+>'
+  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;nat=yes;socket=udp:[% server_ip %]:5060>'
+  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;nat=yes;socket=udp:[% server_ip %]:5060>'
+  - 'From: <sip:[% scenarios.0.username %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ INVITE'
+  - 'Content-Type: application/sdp'
+  - 'Content-Length: \d+'
+  - 'P-Asserted-Identity: "[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]" <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+  - 'v=0'
+  - 'o=user1 \d+ \d+ IN IP4 [% server_ip %]'
+  - 's=-'
+  - 'c=IN IP4 [% server_ip %]'
+  - 't=0 0'
+  - 'm=audio \d+ RTP/AVP 8'
+  - 'a=rtpmap:8 PCMA/8000'
+  - 'a=sendrecv'
+  - 'a=rtcp:\d+'
+  - 'a=ptime:50'
+- - 'SIP/2.0 100 Trying'
+  - 'From: <sip:[% scenarios.0.username %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ INVITE'
+  - 'Server: Sipwise NGCP LB'
+  - 'Content-Length: 0'
+- - 'SIP/2.0 200 OK'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+;vsf=[^;]+;rtpprx=yes;ice_callee=strip;ice_caller=strip;aset=\d+>'
+  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;nat=yes;socket=udp:[% server_ip %]:5060>'
+  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;nat=yes;socket=udp:[% server_ip %]:5060>'
+  - 'From: <sip:[% scenarios.0.username %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ INVITE'
+  - 'Content-Type: application/sdp'
+  - 'Content-Length: \d+'
+  - 'P-Asserted-Identity: "[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]" <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+  - 'v=0'
+  - 'o=user1 \d+ \d+ IN IP4 [% server_ip %]'
+  - 's=-'
+  - 'c=IN IP4 [% server_ip %]'
+  - 't=0 0'
+  - 'm=audio \d+ RTP/AVP 8'
+  - 'a=rtpmap:8 PCMA/8000'
+  - 'a=recvonly'
+  - 'a=rtcp:\d+'
+  - 'a=ptime:50'
+- - 'SIP/2.0 202 Accepted'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;did=[^;]+;vsf=[^;]+;rtpprx=yes;xfer=yes;ice_callee=strip;ice_caller=strip;aset=\d+>'
+  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;nat=yes;socket=udp:[% server_ip %]:5060>'
+  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;nat=yes;socket=udp:[% server_ip %]:5060>'
+  - 'From: <sip:[% scenarios.0.username %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ REFER'
+  - 'Content-Length: 0'
+  - 'P-Asserted-Identity: "[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]" <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>'
+- - 'BYE sip:[% scenarios.0.username %]@[% scenarios.0.ip %]:[% scenarios.0.port %] SIP/2.0'
+  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=udp:[% server_ip %]:5060>'
+  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;socket=udp:[% server_ip %]:5060>'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;vsf=[^;]+;rtpprx=yes>'
+  - 'From: <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.username %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ BYE'
+  - 'Content-Length: 0'
+  - 'P-Asserted-Identity: "[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]" <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1003.pbx_extension %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>'
--- a/scenarios_pbx/invite_xfer_blind_caller_immediat_rel/sipp_scenario_responder00.xml
+++ b/scenarios_pbx/invite_xfer_blind_caller_immediat_rel/sipp_scenario_responder00.xml
@ -0,0 +1,188 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+
+<scenario name="Sipwise NGCP Benchmark UAS Responder">
+
+  <recv request="INVITE" crlf="true" rtd="true">
+  </recv>
+
+  <send>
+    <![CDATA[
+
+      SIP/2.0 180 Ringing
+      [last_Via:]
+      [last_From:]
+      [last_To:];tag=[pid]SIPpTag01[call_number]
+      [last_Call-ID:]
+      [last_CSeq:]
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
+      Content-Length: 0
+
+    ]]>
+  </send>
+
+  <pause milliseconds="500"/>
+
+  <send>
+    <![CDATA[
+
+      SIP/2.0 200 OK
+      [last_Via:]
+      [last_From:]
+      [last_To:];tag=[pid]SIPpTag01[call_number]
+      [last_Call-ID:]
+      [last_CSeq:]
+      [last_Record-Route:]
+      [last_Route:]
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
+      Content-Type: application/sdp
+      Content-Length: [len]
+
+      v=0
+      o=user1 53655765 2353687637 IN IP[local_ip_type] [local_ip]
+      s=-
+      c=IN IP[media_ip_type] [media_ip]
+      t=0 0
+      m=audio [media_port] RTP/AVP 8
+      a=rtpmap:8 PCMA/8000
+      a=ptime:50
+
+    ]]>
+  </send>
+
+  <recv request="ACK" crlf="true" rtd="true" rrs="true">
+  </recv>
+
+  <!-- CALL IS UP -->
+
+  <recv request="INVITE" crlf="true" rtd="true">
+  </recv>
+
+    <send>
+    <![CDATA[
+
+      SIP/2.0 200 OK
+      [last_Via:]
+      [last_From:]
+      [last_To:]
+      [last_Call-ID:]
+      [last_CSeq:]
+      [last_Record-Route:]
+      [last_Route:]
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
+      Content-Type: application/sdp
+      Content-Length: [len]
+
+      v=0
+      o=user1 53655765 2353687637 IN IP[local_ip_type] [local_ip]
+      s=-
+      c=IN IP[media_ip_type] [media_ip]
+      t=0 0
+      m=audio [media_port] RTP/AVP 8
+      a=rtpmap:8 PCMA/8000
+      a=ptime:50
+      a=recvonly
+
+    ]]>
+  </send>
+
+  <recv request="ACK" crlf="true" rtd="true" rrs="true">
+  </recv>
+
+  <!-- CALLEE IS ON HOLD -->
+
+  <recv request="INVITE" crlf="true" rtd="true">
+  </recv>
+
+    <send>
+    <![CDATA[
+
+      SIP/2.0 200 OK
+      [last_Via:]
+      [last_From:]
+      [last_To:]
+      [last_Call-ID:]
+      [last_CSeq:]
+      [last_Record-Route:]
+      [last_Route:]
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
+      Content-Type: application/sdp
+      Content-Length: [len]
+
+      v=0
+      o=user1 53655765 2353687637 IN IP[local_ip_type] [local_ip]
+      s=-
+      c=IN IP[media_ip_type] [media_ip]
+      t=0 0
+      m=audio [media_port] RTP/AVP 8
+      a=rtpmap:8 PCMA/8000
+      a=ptime:50
+      a=sendrecv
+
+    ]]>
+  </send>
+
+  <recv request="ACK" crlf="true" rtd="true" rrs="true">
+    <action>
+      <ereg regexp=".*" search_in="hdr" header="From:" assign_to="1" />
+      <ereg regexp=".*" search_in="hdr" header="To:" assign_to="2" />
+    </action>
+  </recv>
+
+  <!-- CALLEE IS OFF HOLD -->
+
+  <pause milliseconds="500"/>
+  <nop>
+    <action>
+      <exec play_pcap_audio="media181sec.pcap"/>
+    </action>
+  </nop>
+
+  <pause milliseconds="1500"/>
+
+  <!-- SEND BYE -->
+
+  <send start_rtd="4">
+    <![CDATA[
+
+      BYE [next_url] SIP/2.0
+      [last_Via:]
+      From: [$2]
+      To: [$1]
+      [last_Call-ID:]
+      CSeq: 10 BYE
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
+      [routes]
+      Max-Forwards: 70
+      Content-Length: 0
+
+    ]]>
+  </send>
+
+  <recv response="100" optional="true">
+  </recv>
+
+  <recv response="200" crlf="true" rtd="4">
+  </recv>
+
+ <send>
+    <![CDATA[
+
+      ACK [next_url] SIP/2.0
+      [last_Via:]
+      [last_From:]
+      [last_To:]
+      [last_Call-ID:]
+      [routes]
+      CSeq: 10 ACK
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
+      [routes]
+      Max-Forwards: 70
+      Content-Length: 0
+
+    ]]>
+  </send>
+
+  <ResponseTimeRepartition value="10, 20, 30, 40, 50, 100, 150, 200"/>
+  <CallLengthRepartition value="10, 50, 100, 500, 1000, 5000, 10000"/>
+
+</scenario>
--- a/scenarios_pbx/invite_xfer_blind_caller_immediat_rel/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios_pbx/invite_xfer_blind_caller_immediat_rel/sipp_scenario_responder00_test.yml.tt2
@ -0,0 +1,98 @@
+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=[^;]+;leg_b=1;did=[^;]+;ice_caller=strip;ice_callee=strip;aset=\d+;rtpprx=yes>'
+  - 'From: <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>'
+  - 'CSeq: \d+ INVITE'
+  - 'P-Asserted-Identity: <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>'
+  - 'Content-Type: application/sdp'
+  - 'Content-Length: \d+'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+  - 'v=0'
+  - 'o=user1 \d+ \d+ IN IP4 [% server_ip %]'
+  - 's=-'
+  - 'c=IN IP4 [% server_ip %]'
+  - 't=0 0'
+  - 'm=audio \d+ RTP/AVP 8'
+  - 'a=rtpmap:8 PCMA/8000'
+  - 'a=sendrecv'
+  - 'a=rtcp:\d+'
+  - 'a=ptime:50'
+- - '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=[^;]+;rtpprx=yes;ice_callee=strip;ice_caller=strip;aset=\d+>'
+  - 'From: <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ ACK'
+  - 'Content-Length: 0'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+- - 'INVITE 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=[^;]+;rtpprx=yes;ice_callee=strip;ice_caller=strip;aset=\d+>'
+  - 'From: <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ INVITE'
+  - 'P-Asserted-Identity: <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>'
+  - 'Content-Type: application/sdp'
+  - 'Content-Length: \d+'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+  - 'v=0'
+  - 'o=user1 \d+ \d+ IN IP4 [% server_ip %]'
+  - 's=-'
+  - 'c=IN IP4 [% server_ip %]'
+  - 't=0 0'
+  - 'm=audio \d+ RTP/AVP 8'
+  - 'a=rtpmap:8 PCMA/8000'
+  - 'a=sendonly'
+  - 'a=rtcp:\d+'
+  - 'a=ptime:50'
+- - '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=[^;]+;rtpprx=yes;ice_callee=strip;ice_caller=strip;aset=\d+>'
+  - 'From: <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ ACK'
+  - 'Content-Length: 0'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+- - 'INVITE 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=[^;]+;rtpprx=yes;ice_callee=strip;ice_caller=strip;aset=\d+>'
+  - 'From: <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ INVITE'
+  - 'Content-Type: application/sdp'
+  - 'Content-Length: \d+'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+  - 'v=0'
+  - 'o=user1 \d+ \d+ IN IP4 [% server_ip %]'
+  - 's=-'
+  - 'c=IN IP4 [% server_ip %]'
+  - 't=0 0'
+  - 'm=audio \d+ RTP/AVP 8'
+  - 'a=rtpmap:8 PCMA/8000'
+  - 'a=sendrecv'
+  - 'a=rtcp:\d+'
+  - 'a=ptime:50'
+- - '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=[^;]+;rtpprx=yes;ice_callee=strip;ice_caller=strip;aset=\d+>'
+  - 'From: <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ ACK'
+  - 'Content-Length: 0'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+- - 'SIP/2.0 200 OK'
+  - 'Record-Route: <sip:127.0.0.1:5062;lr=on;ftag=[^;]+;rtpprx=yes>'
+  - 'Record-Route: <sip:127.0.0.1;r2=on;lr=on;ftag=[^;]+;ngcplb=yes;nat=yes;socket=udp:[% server_ip %]:5060>'
+  - 'Record-Route: <sip:[% server_ip %];r2=on;lr=on;ftag=[^;]+;ngcplb=yes;nat=yes;socket=udp:[% server_ip %]:5060>'
+  - 'From: <sip:[% scenarios.0.responders.0.username %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ BYE'
+  - 'Content-Length: 0'
--- a/scenarios_pbx/invite_xfer_blind_caller_immediat_rel/sipp_scenario_responder01.xml
+++ b/scenarios_pbx/invite_xfer_blind_caller_immediat_rel/sipp_scenario_responder01.xml
@ -0,0 +1,111 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+
+<scenario name="Sipwise NGCP Benchmark UAS Responder">
+
+  <recv request="INVITE" crlf="true" rtd="true">
+  </recv>
+
+  <send>
+    <![CDATA[
+
+      SIP/2.0 180 Ringing
+      [last_Via:]
+      [last_From:]
+      [last_To:];tag=[pid]SIPpTag01[call_number]
+      [last_Call-ID:]
+      [last_CSeq:]
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
+      Content-Length: 0
+
+    ]]>
+  </send>
+
+  <pause milliseconds="500"/>
+
+  <send>
+    <![CDATA[
+
+      SIP/2.0 200 OK
+      [last_Via:]
+      [last_From:]
+      [last_To:];tag=[pid]SIPpTag01[call_number]
+      [last_Call-ID:]
+      [last_CSeq:]
+      [last_Record-Route:]
+      [last_Route:]
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
+      Content-Type: application/sdp
+      Content-Length: [len]
+
+      v=0
+      o=user1 53655765 2353687637 IN IP[local_ip_type] [local_ip]
+      s=-
+      c=IN IP[media_ip_type] [media_ip]
+      t=0 0
+      m=audio [media_port] RTP/AVP 8
+      a=rtpmap:8 PCMA/8000
+      a=ptime:50
+
+    ]]>
+  </send>
+
+  <recv request="ACK"
+        crlf="true">
+  </recv>
+
+  <recv request="INVITE" crlf="true" rtd="true">
+  </recv>
+
+  <send>
+    <![CDATA[
+
+      SIP/2.0 200 OK
+      [last_Via:]
+      [last_From:]
+      [last_To:];tag=[pid]SIPpTag01[call_number]
+      [last_Call-ID:]
+      [last_CSeq:]
+      [last_Record-Route:]
+      [last_Route:]
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
+      Content-Type: application/sdp
+      Content-Length: [len]
+
+      v=0
+      o=user1 53655765 2353687637 IN IP[local_ip_type] [local_ip]
+      s=-
+      c=IN IP[media_ip_type] [media_ip]
+      t=0 0
+      m=audio [media_port] RTP/AVP 8
+      a=rtpmap:8 PCMA/8000
+      a=ptime:50
+
+    ]]>
+  </send>
+
+  <recv request="ACK" crlf="true">
+  </recv>
+
+  <recv request="BYE">
+  </recv>
+
+  <send>
+    <![CDATA[
+
+      SIP/2.0 200 OK
+      [last_Via:]
+      [last_From:]
+      [last_To:]
+      [last_Call-ID:]
+      [last_CSeq:]
+      Contact: <sip:[local_ip]:[local_port];transport=[transport]>
+      Content-Length: [len]
+
+    ]]>
+  </send>
+
+  <ResponseTimeRepartition value="10, 20, 30, 40, 50, 100, 150, 200"/>
+  <CallLengthRepartition value="10, 50, 100, 500, 1000, 5000, 10000"/>
+
+</scenario>
+
--- a/scenarios_pbx/invite_xfer_blind_caller_immediat_rel/sipp_scenario_responder01_test.yml.tt2
+++ b/scenarios_pbx/invite_xfer_blind_caller_immediat_rel/sipp_scenario_responder01_test.yml.tt2
@ -0,0 +1,70 @@
+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=[^;]+;leg_b=1;did=[^;]+;ice_caller=strip;ice_callee=strip;aset=\d+;rtpprx=yes>'
+  - 'From: <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.responders.1.username %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>'
+  - 'CSeq: \d+ INVITE'
+  - 'P-Asserted-Identity: <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>'
+  - 'Content-Type: application/sdp'
+  - 'Content-Length: \d+'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+  - 'v=0'
+  - 'o=user1 \d+ \d+ IN IP4 [% server_ip %]'
+  - 's=-'
+  - 'c=IN IP4 [% server_ip %]'
+  - 't=0 0'
+  - 'm=audio \d+ RTP/AVP 8'
+  - 'a=rtpmap:8 PCMA/8000'
+  - 'a=sendrecv'
+  - 'a=rtcp:\d+'
+  - 'a=ptime:50'
+- - 'ACK sip:[% 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;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=[^;]+;rtpprx=yes;ice_callee=strip;ice_caller=strip;aset=\d+>'
+  - 'From: <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.responders.1.username %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ ACK'
+  - 'Content-Length: 0'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+- - 'INVITE sip:[% 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;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=[^;]+;rtpprx=yes;ice_callee=strip;ice_caller=strip;aset=\d+>'
+  - 'From: <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.responders.1.username %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ INVITE'
+  - 'P-Asserted-Identity: <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>'
+  - 'Content-Type: application/sdp'
+  - 'Content-Length: \d+'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+  - 'v=0'
+  - 'o=user1 \d+ \d+ IN IP4 [% server_ip %]'
+  - 's=-'
+  - 'c=IN IP4 [% server_ip %]'
+  - 't=0 0'
+  - 'm=audio \d+ RTP/AVP 8'
+  - 'a=rtpmap:8 PCMA/8000'
+  - 'a=sendrecv'
+  - 'a=rtcp:\d+'
+  - 'a=ptime:50'
+- - 'ACK sip:[% 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;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=[^;]+;rtpprx=yes;ice_callee=strip;ice_caller=strip;aset=\d+>'
+  - 'From: <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.responders.1.username %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ ACK'
+  - 'Content-Length: 0'
+  - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'
+- - 'BYE sip:[% 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;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=[^;]+;rtpprx=yes>'
+  - 'From: <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'To: <sip:[% scenarios.0.responders.1.username %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>;tag=[\w-]+'
+  - 'CSeq: \d+ BYE'
+  - 'P-Asserted-Identity: <sip:[% invite_xfer_blind_caller_immediat_rel_scenarios_pbx_test.testuser1002.phone_number %]@invite-xfer-blind-caller-immediat-rel.scenarios-pbx.test>'
+  - 'Content-Length: 0'