diff --git a/scenarios/invite_conference_update/0001_test.yml.tt2 b/scenarios/invite_conference_update/0001_test.yml.tt2
new file mode 100644
index 00000000..baecd4f5
--- /dev/null
+++ b/scenarios/invite_conference_update/0001_test.yml.tt2
@@ -0,0 +1,35 @@
+flow:
+  - start|DEFAULT_ROUTE:
+  - start|ROUTE_NET_INFO:
+  - return|ROUTE_NET_INFO:
+  - start|ROUTE_PRX_REQUEST:
+  - start|ROUTE_INITVARS:
+  - return|ROUTE_INITVARS:
+  - start|ROUTE_INVITE:
+  - start|ROUTE_LOAD_CALLEE_DOMAIN_PREF:
+  - start|ROUTE_CLEAR_CALLEE_DOMAIN_PREF:
+  - return|ROUTE_CLEAR_CALLEE_DOMAIN_PREF:
+  - return|ROUTE_LOAD_CALLEE_DOMAIN_PREF:
+  - start|ROUTE_FIND_CALLER:
+  - start|ROUTE_AUTH:
+  - exit|ROUTE_AUTH:
+sip_in:
+  - '^INVITE sip:testuser1001@'
+  - 'Contact: sip:testuser1002@'
+  - 'To: <sip:testuser1001@'
+  - 'CSeq: 1 INVITE'
+  - 'Max-Forwards: 69'
+  - 'Content-Type: application/sdp'
+sip_out:
+  - [
+      '^SIP/2.0 100 Trying',
+      'CSeq: 1 INVITE',
+      'From: <sip:testuser1002@',
+      'To: <sip:testuser1001@'
+    ]
+  - [
+      '^SIP/2.0 407 Proxy Authentication Required',
+      'CSeq: 1 INVITE',
+      'From: <sip:testuser1002@',
+      'To: <sip:testuser1001@'
+    ]
diff --git a/scenarios/invite_conference_update/0003_test.yml.tt2 b/scenarios/invite_conference_update/0003_test.yml.tt2
new file mode 100644
index 00000000..4c9eb5ff
--- /dev/null
+++ b/scenarios/invite_conference_update/0003_test.yml.tt2
@@ -0,0 +1,168 @@
+# INVITE_OFFLINE scenario
+flow:
+  - start|DEFAULT_ROUTE:
+  - start|ROUTE_NET_INFO:
+  - return|ROUTE_NET_INFO:
+  - start|ROUTE_PRX_REQUEST:
+  - start|ROUTE_INITVARS:
+  - return|ROUTE_INITVARS:
+  - start|ROUTE_INVITE:
+  - start|ROUTE_LOAD_CALLEE_DOMAIN_PREF:
+  - start|ROUTE_CLEAR_CALLEE_DOMAIN_PREF:
+  - return|ROUTE_CLEAR_CALLEE_DOMAIN_PREF:
+  - return|ROUTE_LOAD_CALLEE_DOMAIN_PREF:
+  - start|ROUTE_FIND_CALLER:
+  - start|ROUTE_AUTH:
+  - start|ROUTE_AUTH_HELPER:
+      $fd: spce.test
+      $var(realm_user): testuser1002
+      $var(realm_domain): spce.test
+  - return|ROUTE_AUTH_HELPER:
+      $avp(orig_acc_caller_user): ['testuser1002']
+      $avp(orig_acc_caller_domain): ['spce.test']
+  - start|ROUTE_ADD_CALLINFO_REPLY:
+  - start|ROUTE_ADD_CALLINFO_CALLER_PRIMARY:
+  - return|ROUTE_ADD_CALLINFO_CALLER_PRIMARY:
+  - return|ROUTE_ADD_CALLINFO_REPLY:
+  - return|ROUTE_AUTH:
+  - return|ROUTE_FIND_CALLER:
+  - start|ROUTE_LOAD_CALLER_PREF:
+  - start|ROUTE_CLEAR_CALLER_PREF:
+  - return|ROUTE_CLEAR_CALLER_PREF:
+  - start|ROUTE_CHECK_UA:
+  - return|ROUTE_CHECK_UA:
+  - start|ROUTE_LOAD_CALLER_CONTRACT_PREF:
+  - return|ROUTE_LOAD_CALLER_CONTRACT_PREF:
+  - return|ROUTE_LOAD_CALLER_PREF:
+  - start|ROUTE_DLG_MANAGE:
+  - return|ROUTE_DLG_MANAGE:
+  - start|ROUTE_GET_CALLER_CLI:
+  - return|ROUTE_GET_CALLER_CLI:
+  - start|ROUTE_GET_FORWARDER_CLI:
+  - return|ROUTE_GET_FORWARDER_CLI:
+  - start|ROUTE_CHECK_USERPROV_CLI:
+  - start|ROUTE_CHECK_CLI_ALLOWED:
+  - return|ROUTE_CHECK_CLI_ALLOWED:
+  - return|ROUTE_CHECK_USERPROV_CLI:
+  - start|ROUTE_CLIR:
+  - return|ROUTE_CLIR:
+  - start|ROUTE_FIND_CALLEE:
+  - start|ROUTE_CLEAR_CALLEE_PREF:
+  - return|ROUTE_CLEAR_CALLEE_PREF:
+  - start|ROUTE_LOAD_CALLEE_PREF:
+  - start|ROUTE_LOAD_CALLEE_CONTRACT_PREF:
+  - return|ROUTE_LOAD_CALLEE_CONTRACT_PREF:
+  - start|ROUTE_SET_CALLEE_DIALOG:
+  - start|ROUTE_CNT_DLG_CHECK:
+  - return|ROUTE_CNT_DLG_CHECK:
+  - return|ROUTE_SET_CALLEE_DIALOG:
+      $avp(lua_dlg_profile): [
+        "totalaccount:[% customer_test.id %]",
+        "totaluser:[% spce_test.testuser1001.uuid %]",
+        "total",
+        "account:[% customer_test.id %]",
+        "user:[% spce_test.testuser1001.uuid %]"
+      ]
+  - start|ROUTE_BLOCK_IN:
+  - return|ROUTE_BLOCK_IN:
+  - start|ROUTE_ORDER_CF_MAP_ID:
+  - return|ROUTE_ORDER_CF_MAP_ID:
+  - return|ROUTE_LOAD_CALLEE_PREF:
+  - start|ROUTE_NCOS_CHECK:
+  - start|ROUTE_NCOS:
+  - return|ROUTE_NCOS:
+  - start|ROUTE_NCOS:
+  - return|ROUTE_NCOS:
+  - start|ROUTE_NCOS:
+  - return|ROUTE_NCOS:
+  - start|ROUTE_NCOS:
+  - return|ROUTE_NCOS:
+  - return|ROUTE_NCOS_CHECK:
+  - start|ROUTE_BLOCK_OUT:
+  - return|ROUTE_BLOCK_OUT:
+  - start|ROUTE_CHECK_PBX:
+  - return|ROUTE_CHECK_PBX:
+  - start|ROUTE_CALLEE_DISPATCH:
+  - start|ROUTE_INVITE_TO_INT:
+  - start|ROUTE_CF_CFU:
+  - start|ROUTE_LOAD_CF_MAP:
+  - return|ROUTE_LOAD_CF_MAP:
+  - start|ROUTE_CHECK_CF:
+  - start|ROUTE_CHECK_CF_SOURCES:
+  - return|ROUTE_CHECK_CF_SOURCES:
+  - start|ROUTE_CHECK_CF_PERIOD:
+  - return|ROUTE_CHECK_CF_PERIOD:
+  - return|ROUTE_CHECK_CF:
+  - start|ROUTE_ACC_CF:
+  - start|ROUTE_ACC_CALLER:
+  - return|ROUTE_ACC_CALLER:
+  - start|ROUTE_ACC_CALLEE:
+  - return|ROUTE_ACC_CALLEE:
+  - return|ROUTE_ACC_CF:
+  - start|ROUTE_EXECUTE_CF_LOOP:
+  - start|ROUTE_SET_CALLER_DIALOG:
+  - start|ROUTE_CNT_DLG_CHECK:
+  - return|ROUTE_CNT_DLG_CHECK:
+  - return|ROUTE_SET_CALLER_DIALOG:
+      $avp(lua_dlg_profile): [
+        "accountout:[% customer_test.id %]",
+        "userout:[% spce_test.testuser1002.uuid %]",
+        "account:[% customer_test.id %]",
+        "user:[% spce_test.testuser1002.uuid %]",
+        "totalaccountout:[% customer_test.id %]",
+        "totaluserout:[% spce_test.testuser1002.uuid %]",
+        "totalaccount:[% customer_test.id %]",
+        "totaluser:[% spce_test.testuser1002.uuid %]",
+        "totalaccount:[% customer_test.id %]",
+        "totaluser:[% spce_test.testuser1001.uuid %]",
+        "total",
+        "account:[% customer_test.id %]",
+        "user:[% spce_test.testuser1001.uuid %]"
+      ]
+  - start|BRANCH_ROUTE_FWD_LOOP:
+  - start|ROUTE_APPEND_CF_HDRS:
+  - return|ROUTE_APPEND_CF_HDRS:
+  - start|ROUTE_ADD_CALLINFO:
+  - start|ROUTE_ADD_CALLINFO_CALLER_PRIMARY:
+  - return|ROUTE_ADD_CALLINFO_CALLER_PRIMARY:
+  - start|ROUTE_ADD_CALLINFO_CALLEE_PRIMARY:
+  - return|ROUTE_ADD_CALLINFO_CALLEE_PRIMARY:
+  - return|ROUTE_ADD_CALLINFO:
+  - return|BRANCH_ROUTE_FWD_LOOP:
+  # branch ??
+  - return|BRANCH_ROUTE_FWD_LOOP:
+  - exit|ROUTE_EXECUTE_CF_LOOP:
+sip_in:
+  - '^INVITE'
+  - 'Contact: sip:testuser1002@'
+  - 'CSeq: 2 INVITE'
+  - 'Max-Forwards: 69'
+  - 'Content-Type: application/sdp'
+  - 'Proxy-Authorization: Digest username="testuser1002"'
+sip_out:
+  - [
+      '^SIP/2.0 100 Trying',
+      'CSeq: 2 INVITE',
+      'From: <sip:testuser1002@',
+      'To: <sip:testuser1001@'
+    ]
+  - [
+      '^SIP/2.0 101 Connecting',
+      'CSeq: 2 INVITE',
+      'From: <sip:testuser1002@',
+      'To: <sip:testuser1001@'
+    ]
+  - [
+      '^INVITE sip:conf=4311001@conference.local SIP/2.0',
+      'CSeq: 2 INVITE',
+      'From: <sip:testuser1002@',
+      'To: <sip:testuser1001@',
+      'Content-Type: application/sdp',
+      'P-Caller-UUID: \w+',
+      'P-First-Caller-UPN: 4311002',
+      'P-First-Caller-NPN: 4311002',
+      'P-Acc-Caller-User: testuser1001',
+      'P-Acc-State: cfu',
+      'P-App-Param: ;profile=ngcp_cf',
+      'P-App-Name: sbc'
+    ]
diff --git a/scenarios/invite_conference_update/0005_test.yml.tt2 b/scenarios/invite_conference_update/0005_test.yml.tt2
new file mode 100644
index 00000000..1a55d3aa
--- /dev/null
+++ b/scenarios/invite_conference_update/0005_test.yml.tt2
@@ -0,0 +1,127 @@
+flow:
+  - start|DEFAULT_ROUTE:
+  - start|ROUTE_NET_INFO:
+  - return|ROUTE_NET_INFO:
+  - start|ROUTE_PRX_REQUEST:
+  - start|ROUTE_INITVARS:
+  - return|ROUTE_INITVARS:
+  - start|ROUTE_INVITE:
+  - start|ROUTE_LOAD_CALLEE_DOMAIN_PREF:
+  - start|ROUTE_CLEAR_CALLEE_DOMAIN_PREF:
+  - return|ROUTE_CLEAR_CALLEE_DOMAIN_PREF:
+  - return|ROUTE_LOAD_CALLEE_DOMAIN_PREF:
+  - start|ROUTE_FIND_CALLER:
+  - start|ROUTE_CONSUME_CF_HDRS:
+  - return|ROUTE_CONSUME_CF_HDRS:
+  - return|ROUTE_FIND_CALLER:
+  - start|ROUTE_LOAD_CALLER_PREF:
+  - start|ROUTE_CLEAR_CALLER_PREF:
+  - return|ROUTE_CLEAR_CALLER_PREF:
+  - start|ROUTE_CHECK_UA:
+  - return|ROUTE_CHECK_UA:
+  - start|ROUTE_LOAD_CALLER_CONTRACT_PREF:
+  - return|ROUTE_LOAD_CALLER_CONTRACT_PREF:
+  - return|ROUTE_LOAD_CALLER_PREF:
+  - start|ROUTE_GET_FORWARDER_CLI:
+  - return|ROUTE_GET_FORWARDER_CLI:
+  - start|ROUTE_CHECK_USERPROV_CLI:
+  - start|ROUTE_CHECK_CLI_ALLOWED:
+  - return|ROUTE_CHECK_CLI_ALLOWED:
+  - return|ROUTE_CHECK_USERPROV_CLI:
+  - start|ROUTE_CHECK_USERPROV_CLI:
+  - start|ROUTE_CHECK_CLI_ALLOWED:
+  - return|ROUTE_CHECK_CLI_ALLOWED:
+  - return|ROUTE_CHECK_USERPROV_CLI:
+  - start|ROUTE_CLIR:
+  - return|ROUTE_CLIR:
+  - start|ROUTE_FIND_CALLEE:
+  - start|ROUTE_CHECK_PBX:
+  - return|ROUTE_CHECK_PBX:
+  - start|ROUTE_TO_APPSRV:
+  - start|ROUTE_LOAD_APPSRV:
+  - start|ROUTE_CNT_DLG_CHECK:
+  - start|ROUTE_DLG_MANAGE:
+  - return|ROUTE_DLG_MANAGE:
+  - return|ROUTE_CNT_DLG_CHECK:
+  - return|ROUTE_LOAD_APPSRV:
+  - start|ROUTE_OUTBOUND:
+      $avp(lua_dlg_profile): ["peer:appsrv", "local"]
+  - start|ROUTE_SET_CALLER_DIALOG:
+  - start|ROUTE_CNT_DLG_CHECK:
+  - return|ROUTE_CNT_DLG_CHECK:
+  - return|ROUTE_SET_CALLER_DIALOG:
+      $avp(lua_dlg_profile): [
+        "totalaccountout:[% customer_test.id %]",
+        "totaluserout:[% spce_test.testuser1001.uuid %]",
+        "totalaccount:[% customer_test.id %]",
+        "totaluser:[% spce_test.testuser1001.uuid %]",
+        "peer:appsrv",
+        "local"
+      ]
+  - start|ROUTE_ACC_CALLER:
+  - return|ROUTE_ACC_CALLER:
+  - start|ROUTE_ACC_CALLEE:
+  - return|ROUTE_ACC_CALLEE:
+  - start|BRANCH_ROUTE_NO_SBC:
+  - start|ROUTE_BRANCH_ACC_RTP:
+  - return|ROUTE_BRANCH_ACC_RTP:
+  - start|ROUTE_SET_BRANCH_HDRS:
+  - return|ROUTE_SET_BRANCH_HDRS:
+  - start|ROUTE_FILTER_PRACK:
+  - return|ROUTE_FILTER_PRACK:
+  - start|ROUTE_SET_CALLER_CLI:
+  - start|ROUTE_PREPARE_CALLER_CLI:
+  - return|ROUTE_PREPARE_CALLER_CLI:
+  - start|ROUTE_PREPARE_CALLER_CLI:
+  - return|ROUTE_PREPARE_CALLER_CLI:
+  - start|ROUTE_PREPARE_CALLER_CLI:
+  - return|ROUTE_PREPARE_CALLER_CLI:
+  - start|ROUTE_PREPARE_CALLER_CLI:
+  - return|ROUTE_PREPARE_CALLER_CLI:
+  - start|ROUTE_PREPARE_CALLER_CLI:
+  - return|ROUTE_PREPARE_CALLER_CLI:
+  - return|ROUTE_SET_CALLER_CLI:
+  - start|ROUTE_SET_CALLEE:
+  - return|ROUTE_SET_CALLEE:
+  - start|ROUTE_ADD_CALLINFO:
+  - start|ROUTE_ADD_CALLINFO_CALLER_PRIMARY:
+  - return|ROUTE_ADD_CALLINFO_CALLER_PRIMARY:
+  - start|ROUTE_ADD_CALLINFO_CALLEE_PRIMARY:
+  - return|ROUTE_ADD_CALLINFO_CALLEE_PRIMARY:
+  - return|ROUTE_ADD_CALLINFO:
+  - return|BRANCH_ROUTE_NO_SBC:
+  - return|BRANCH_ROUTE_NO_SBC:
+  - exit|ROUTE_OUTBOUND:
+      $avp(lua_dlg_profile): [
+        "totalaccountout:[% customer_test.id %]",
+        "totaluserout:[% spce_test.testuser1001.uuid %]",
+        "totalaccount:[% customer_test.id %]",
+        "totaluser:[% spce_test.testuser1001.uuid %]",
+        "peer:appsrv",
+        "local"
+      ]
+sip_in:
+  - '^INVITE sip:conf=4311001@conference.local SIP/2.0'
+  - 'Contact: <sip:127.0.0.1:5080(;transport=udp)?>'
+  - 'CSeq: 10 INVITE'
+  - 'Content-Type: application/sdp'
+  - 'P-Caller-UUID: [% spce_test.testuser1001.uuid %]'
+  - 'P-First-Caller-UPN: 4311002'
+  - 'P-First-Caller-NPN: 4311002'
+  - 'P-Acc-Caller-User: testuser1001'
+  - 'P-Acc-State: cfu'
+sip_out:
+  - [
+      '^SIP/2.0 100 Trying',
+      'CSeq: 10 INVITE',
+      'From: <sip:testuser1002@',
+      'To: <sip:testuser1001@'
+    ]
+  - [
+      '^INVITE sip:conf=4311001@conference.local SIP/2.0',
+      'CSeq: 10 INVITE',
+      'From: <sip:4311002@',
+      'To: <sip:testuser1001@',
+      'Contact: <sip:127.0.0.1:5080(;transport=udp)?>',
+      'Content-Type: application/sdp'
+    ]
diff --git a/scenarios/invite_conference_update/0008_test.yml.tt2 b/scenarios/invite_conference_update/0008_test.yml.tt2
new file mode 100644
index 00000000..02e05823
--- /dev/null
+++ b/scenarios/invite_conference_update/0008_test.yml.tt2
@@ -0,0 +1,31 @@
+flow:
+  - start|DEFAULT_ROUTE:
+  - start|ROUTE_NET_INFO:
+  - return|ROUTE_NET_INFO:
+  - start|ROUTE_PRX_REQUEST:
+  - start|ROUTE_INITVARS:
+  - return|ROUTE_INITVARS:
+  - start|ROUTE_RESTORE_CLUSTERSET:
+  - return|ROUTE_RESTORE_CLUSTERSET:
+  - start|ROUTE_WITHINDLG_RTPENGINE:
+  - return|ROUTE_WITHINDLG_RTPENGINE:
+  - start|ROUTE_OUTBOUND:
+  - return|ROUTE_OUTBOUND:
+sip_in:
+  - '^ACK sip:127.0.0.1:5080(;prxroute=1)? SIP/2.0'
+  - 'Contact: sip:testuser1002@'
+  - 'CSeq: 2 ACK'
+  - 'Max-Forwards: 69'
+  - 'Content-Length: 0'
+  - 'From: <sip:testuser1002@'
+  - 'To: <sip:testuser1001@'
+sip_out:
+  - [
+      '^ACK sip:127.0.0.1:5080(;prxroute=1)? SIP/2.0',
+      'Contact: sip:testuser1002@',
+      'CSeq: 2 ACK',
+      'Max-Forwards: 68',
+      'Content-Length: 0',
+      'From: <sip:testuser1002@',
+      'To: <sip:testuser1001@'
+    ]
diff --git a/scenarios/invite_conference_update/0010_test.yml.tt2 b/scenarios/invite_conference_update/0010_test.yml.tt2
new file mode 100644
index 00000000..d05f0b08
--- /dev/null
+++ b/scenarios/invite_conference_update/0010_test.yml.tt2
@@ -0,0 +1,39 @@
+flow:
+  - start|DEFAULT_ROUTE:
+  - start|ROUTE_NET_INFO:
+  - return|ROUTE_NET_INFO:
+  - start|ROUTE_PRX_REQUEST:
+  - start|ROUTE_INITVARS:
+  - return|ROUTE_INITVARS:
+  - start|ROUTE_RESTORE_CLUSTERSET:
+  - return|ROUTE_RESTORE_CLUSTERSET:
+  - start|ROUTE_WITHINDLG_RTPENGINE:
+  - return|ROUTE_WITHINDLG_RTPENGINE:
+  - start|ROUTE_OUTBOUND:
+  - exit|ROUTE_OUTBOUND:
+sip_in:
+  - '^UPDATE sip:127.0.0.1:5080(;prxroute=1)?(;transport=udp)? SIP/2.0'
+  - 'Contact: sip:testuser1002@'
+  - 'CSeq: 3 UPDATE'
+  - 'Max-Forwards: 69'
+  - 'Content-Length: 0'
+  - 'From: <sip:testuser1002@'
+  - 'To: <sip:testuser1001@'
+
+sip_out:
+  - [
+      '^SIP/2.0 100 Trying',
+      'CSeq: 3 UPDATE',
+      'Content-Length: 0',
+      'From: <sip:testuser1002@',
+      'To: <sip:testuser1001@'
+    ]
+  - [
+      '^UPDATE sip:127.0.0.1:5080(;prxroute=1)?(;transport=udp)? SIP/2.0',
+      'Contact: sip:testuser1002@',
+      'CSeq: 3 UPDATE',
+      'Max-Forwards: 68',
+      'Content-Length: 0',
+      'From: <sip:testuser1002@',
+      'To: <sip:testuser1001@'
+    ]
diff --git a/scenarios/invite_conference_update/0011_test.yml.tt2 b/scenarios/invite_conference_update/0011_test.yml.tt2
new file mode 100644
index 00000000..97de67fd
--- /dev/null
+++ b/scenarios/invite_conference_update/0011_test.yml.tt2
@@ -0,0 +1,33 @@
+flow:
+  - start|DEFAULT_ROUTE:
+  - start|ROUTE_NET_INFO:
+  - return|ROUTE_NET_INFO:
+  - start|ROUTE_PRX_REQUEST:
+  - start|ROUTE_INITVARS:
+  - return|ROUTE_INITVARS:
+  - exit|ROUTE_PRX_REQUEST:
+sip_in:
+[% IF PRO %]
+  - '^UPDATE sip:conf=4311001@127.0.0.1:5080 SIP/2.0'
+[% ELSE %]
+  - '^UPDATE sip:127.0.0.1:5080;transport=udp SIP/2.0'
+[% END %]
+  - 'CSeq: 11 UPDATE'
+  - 'Content-Length: 0'
+  - 'From: <sip:testuser1002@'
+  - 'To: <sip:testuser1001@'
+sip_out:
+  - [
+      '^SIP/2.0 100 Trying',
+      'CSeq: 11 UPDATE',
+      'Content-Length: 0',
+      'From: <sip:testuser1002@',
+      'To: <sip:testuser1001@'
+    ]
+  - [
+      '^SIP/2.0 200 OK',
+      'CSeq: 11 UPDATE',
+      'Content-Length: 0',
+      'From: <sip:testuser1002@',
+      'To: <sip:testuser1001@'
+    ]
diff --git a/scenarios/invite_conference_update/0013_test.yml.tt2 b/scenarios/invite_conference_update/0013_test.yml.tt2
new file mode 100644
index 00000000..67a534d4
--- /dev/null
+++ b/scenarios/invite_conference_update/0013_test.yml.tt2
@@ -0,0 +1,41 @@
+flow:
+  - start|DEFAULT_ROUTE:
+  - start|ROUTE_NET_INFO:
+  - return|ROUTE_NET_INFO:
+  - start|ROUTE_PRX_REQUEST:
+  - start|ROUTE_INITVARS:
+  - return|ROUTE_INITVARS:
+  - 'start|dialog:end':
+  - 'return|dialog:end':
+      $avp(lua_dlg_profile): None
+  - 'return|dialog:end':
+  - start|ROUTE_STOP_RTPPROXY:
+  - return|ROUTE_STOP_RTPPROXY:
+  - start|ROUTE_OUTBOUND:
+  - exit|ROUTE_OUTBOUND:
+sip_in:
+  - '^BYE sip:127.0.0.1:5080(;prxroute=1)?(;transport=udp)? SIP/2.0'
+  - 'Contact: sip:testuser1002@'
+  - 'CSeq: 4 BYE'
+  - 'Max-Forwards: 69'
+  - 'Content-Length: 0'
+  - 'From: <sip:testuser1002@'
+  - 'To: <sip:testuser1001@'
+
+sip_out:
+  - [
+      '^SIP/2.0 100 Trying',
+      'CSeq: 4 BYE',
+      'Content-Length: 0',
+      'From: <sip:testuser1002@',
+      'To: <sip:testuser1001@'
+    ]
+  - [
+      '^BYE sip:127.0.0.1:5080(;prxroute=1)?(;transport=udp)? SIP/2.0',
+      'Contact: sip:testuser1002@',
+      'CSeq: 4 BYE',
+      'Max-Forwards: 68',
+      'Content-Length: 0',
+      'From: <sip:testuser1002@',
+      'To: <sip:testuser1001@'
+    ]
diff --git a/scenarios/invite_conference_update/0014_test.yml.tt2 b/scenarios/invite_conference_update/0014_test.yml.tt2
new file mode 100644
index 00000000..d3e6ca2a
--- /dev/null
+++ b/scenarios/invite_conference_update/0014_test.yml.tt2
@@ -0,0 +1,62 @@
+flow:
+[% IF PRO %]
+  - start|REPLY_ROUTE_NAT:
+  - exit|REPLY_ROUTE_NAT:
+[% ELSE %]
+  - start|DEFAULT_ROUTE:
+  - start|ROUTE_NET_INFO:
+  - return|ROUTE_NET_INFO:
+  - start|ROUTE_PRX_REQUEST:
+  - start|ROUTE_INITVARS:
+  - return|ROUTE_INITVARS:
+  - start|dialog:end:
+  - return|dialog:end:
+      $avp(lua_dlg_profile): None
+  - return|dialog:end:
+  - start|ROUTE_STOP_RTPPROXY:
+  - start|ROUTE_RESTORE_CLUSTERSET:
+  - return|ROUTE_RESTORE_CLUSTERSET:
+  - return|ROUTE_STOP_RTPPROXY:
+  - start|ROUTE_OUTBOUND:
+  - exit|ROUTE_OUTBOUND:
+[% END %]
+sip_in:
+[% IF PRO %]
+  - '^SIP/2.0 200 OK'
+  - 'CSeq: 4 BYE'
+  - 'From: <sip:testuser1002@'
+  - 'Content-Length: 0'
+  - 'To: <sip:testuser1001@'
+[% ELSE %]
+  - '^BYE sip:127.0.0.1:5080;transport=udp SIP/2.0'
+  - 'CSeq: 12 BYE'
+  - 'Content-Length: 0'
+  - 'From: <sip:testuser1002@'
+  - 'To: <sip:testuser1001@'
+[% END %]
+sip_out:
+[% IF PRO %]
+  - [
+      '^SIP/2.0 200 OK',
+      'CSeq: 4 BYE',
+      'Content-Length: 0',
+      'From: <sip:testuser1002@',
+      'To: <sip:testuser1001@'
+    ]
+[% ELSE %]
+  - [
+      '^SIP/2.0 100 Trying',
+      'CSeq: 12 BYE',
+      'Content-Length: 0',
+      'From: <sip:testuser1002@',
+      'To: <sip:testuser1001@'
+    ]
+  - [
+      '^BYE sip:127.0.0.1:5080;transport=udp SIP/2.0',
+      'CSeq: 12 BYE',
+      'Max-Forwards: 69',
+      'Content-Length: 0',
+      'From: <sip:4311002@',
+      'To: <sip:testuser1001@'
+    ]
+[% END %]
diff --git a/scenarios/invite_conference_update/0015_test.yml.tt2 b/scenarios/invite_conference_update/0015_test.yml.tt2
new file mode 100644
index 00000000..2e67ac1c
--- /dev/null
+++ b/scenarios/invite_conference_update/0015_test.yml.tt2
@@ -0,0 +1,62 @@
+flow:
+[% IF PRO %]
+  - start|DEFAULT_ROUTE:
+  - start|ROUTE_NET_INFO:
+  - return|ROUTE_NET_INFO:
+  - start|ROUTE_PRX_REQUEST:
+  - start|ROUTE_INITVARS:
+  - return|ROUTE_INITVARS:
+  - start|dialog:end:
+  - return|dialog:end:
+      $avp(lua_dlg_profile): None
+  - return|dialog:end:
+  - start|ROUTE_STOP_RTPPROXY:
+  - start|ROUTE_RESTORE_CLUSTERSET:
+  - return|ROUTE_RESTORE_CLUSTERSET:
+  - return|ROUTE_STOP_RTPPROXY:
+  - start|ROUTE_OUTBOUND:
+  - exit|ROUTE_OUTBOUND:
+[% ELSE %]
+  - start|REPLY_ROUTE_NAT:
+  - exit|REPLY_ROUTE_NAT:
+[% END %]
+sip_in:
+[% IF PRO %]
+  - '^BYE sip:conf=4311001@127.0.0.1:5080 SIP/2.0'
+  - 'CSeq: 12 BYE'
+  - 'Content-Length: 0'
+  - 'From: <sip:testuser1002@'
+  - 'To: <sip:testuser1001@'
+[% ELSE %]
+  - '^SIP/2.0 200 OK'
+  - 'CSeq: 12 BYE'
+  - 'From: <sip:4311002@'
+  - 'Content-Length: 0'
+  - 'To: <sip:testuser1001@'
+[% END %]
+sip_out:
+[% IF PRO %]
+  - [
+      '^SIP/2.0 100 Trying',
+      'CSeq: 12 BYE',
+      'Content-Length: 0',
+      'From: <sip:testuser1002@',
+      'To: <sip:testuser1001@'
+    ]
+  - [
+      '^BYE sip:conf=4311001@127.0.0.1:5080 SIP/2.0',
+      'CSeq: 12 BYE',
+      'Max-Forwards: 70',
+      'Content-Length: 0',
+      'From: <sip:4311002@',
+      'To: <sip:testuser1001@'
+    ]
+[% ELSE %]
+  - [
+      '^SIP/2.0 200 OK',
+      'CSeq: 12 BYE',
+      'Content-Length: 0',
+      'From: <sip:testuser1002@',
+      'To: <sip:testuser1001@'
+    ]
+[% END %]
diff --git a/scenarios/invite_conference_update/callforward.yml b/scenarios/invite_conference_update/callforward.yml
new file mode 100644
index 00000000..5e8fd843
--- /dev/null
+++ b/scenarios/invite_conference_update/callforward.yml
@@ -0,0 +1,7 @@
+---
+testuser1001@spce.test:
+  cfu:
+    destinations:
+      - destination: conference
+        priority: 0
+        timeout: 2
diff --git a/scenarios/invite_conference_update/media181sec.pcap b/scenarios/invite_conference_update/media181sec.pcap
new file mode 100644
index 00000000..aa154053
Binary files /dev/null and b/scenarios/invite_conference_update/media181sec.pcap differ
diff --git a/scenarios/invite_conference_update/prefs.json b/scenarios/invite_conference_update/prefs.json
new file mode 100644
index 00000000..df5d6ff2
--- /dev/null
+++ b/scenarios/invite_conference_update/prefs.json
@@ -0,0 +1,5 @@
+{
+        "@spce.test": {
+                "sound_set": "default_soundset"
+        }
+}
diff --git a/scenarios/invite_conference_update/scenario.yml b/scenarios/invite_conference_update/scenario.yml
new file mode 100644
index 00000000..c6826ace
--- /dev/null
+++ b/scenarios/invite_conference_update/scenario.yml
@@ -0,0 +1,38 @@
+test_uuid: invite_conference_update
+domains:
+  'spce.test':
+    reseller_id: 1
+customers:
+  'customer.test':
+    contacts:
+      - email: "customer.test@spce.test"
+        reseller_id: 1
+    details:
+      status: 'active'
+      type: 'sipaccount'
+      billing_profile_id: 1
+      reseller_id: 1
+subscribers:
+  spce.test:
+    testuser1001:
+      customer: 'customer.test'
+      password: testuser
+      cc: 43
+      ac: 1
+      sn: 1001
+    testuser1002:
+      customer: 'customer.test'
+      password: testuser
+      cc: 43
+      ac: 1
+      sn: 1002
+scenarios:
+  - ip: 127.126.0.1
+    username: testuser1002
+    domain: spce.test
+    responders:
+      - ip: 127.1.0.1
+        username: testuser1001
+        domain: spce.test
+        register: no
+        active: no
diff --git a/scenarios/invite_conference_update/sipp_scenario00.xml b/scenarios/invite_conference_update/sipp_scenario00.xml
new file mode 100644
index 00000000..762a04a0
--- /dev/null
+++ b/scenarios/invite_conference_update/sipp_scenario00.xml
@@ -0,0 +1,172 @@
+<?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:[field0 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:[field0 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:[field0 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:[field0 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:[field0 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:[field0 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="102" 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:[field0 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>
+
+  <pause milliseconds="500"/>
+  <nop>
+    <action>
+      <exec play_pcap_audio="media181sec.pcap"/>
+    </action>
+  </nop>
+
+  <pause milliseconds="500"/>
+
+  <send start_rtd="4">
+    <![CDATA[
+
+      UPDATE [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:[field0 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 UPDATE
+      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>
+
+  <send start_rtd="5">
+    <![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:[field0 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: 4 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="5">
+  </recv>
+
+  <ResponseTimeRepartition value="10, 20, 30, 40, 50, 100, 150, 200, 500, 1000"/>
+
+<!-- <CallLengthRepartition value="10, 50, 100, 500, 1000, 5000, 10000"/> -->
+
+</scenario>
+
diff --git a/scenarios/invite_conference_update/soundsets.yml b/scenarios/invite_conference_update/soundsets.yml
new file mode 100644
index 00000000..92422905
--- /dev/null
+++ b/scenarios/invite_conference_update/soundsets.yml
@@ -0,0 +1,22 @@
+soundsets:
+  'default_soundset':
+      reseller_id: 1
+      sounds:
+        conference_first:
+          filename: sounds/conference_first.wav
+          loopplay: 'false'
+        conference_greeting:
+          filename: sounds/conference_greeting.wav
+          loopplay: 'false'
+        conference_join:
+          filename: sounds/conference_join.wav
+          loopplay: 'false'
+        conference_joined:
+          filename: sounds/conference_joined.wav
+          loopplay: 'false'
+        conference_leave:
+          filename: sounds/conference_leave.wav
+          loopplay: 'false'
+        conference_waiting_music:
+          filename: sounds/conference_waiting_music.wav
+          loopplay: 'false'
diff --git a/sounds/conference_first.wav b/sounds/conference_first.wav
new file mode 100644
index 00000000..5bf9a0d3
Binary files /dev/null and b/sounds/conference_first.wav differ
diff --git a/sounds/conference_greeting.wav b/sounds/conference_greeting.wav
new file mode 100644
index 00000000..3ce4b973
Binary files /dev/null and b/sounds/conference_greeting.wav differ
diff --git a/sounds/conference_join.wav b/sounds/conference_join.wav
new file mode 100644
index 00000000..64ef7c50
Binary files /dev/null and b/sounds/conference_join.wav differ
diff --git a/sounds/conference_joined.wav b/sounds/conference_joined.wav
new file mode 100644
index 00000000..71751bca
Binary files /dev/null and b/sounds/conference_joined.wav differ
diff --git a/sounds/conference_leave.wav b/sounds/conference_leave.wav
new file mode 100644
index 00000000..0ec0d962
Binary files /dev/null and b/sounds/conference_leave.wav differ
diff --git a/sounds/conference_waiting_music.wav b/sounds/conference_waiting_music.wav
new file mode 100644
index 00000000..2cf02643
Binary files /dev/null and b/sounds/conference_waiting_music.wav differ