Hello everyone: I have a internal sip phone(A) registered to Freeswitch. If A call a number via siptrunk to Alcate's phone(B). B answered, then transfer this call to Alcate's phone(C), if C is still ringing, but B hangup, then C stop ringing and hangup, and there is no connection bwtween A and C. Please help me to check why A cannot connect to C. Here is the log: recv 688 bytes from udp/[160.7.237.4]:5060 at 12:18:20.272035: ------------------------------------------------------------------------ REFER sip:gw+siptrunk1@160.7.237.89:5080;transport=udp;gw=siptrunk1 SIP/2.0 Contact: sip:160.7.237.4 Supported: timer,path,100rel User-Agent: OmniPCX Enterprise R11.2.2 l2.300.33.a Refer-To: <sip:7950@160.7.237.4;user=phone?REPLACES=5334d53d-b3c8-1235-dfbf-109836ab50bb%3bto-tag%3dvaZK46cXrgeyQ%3bfrom-tag%3d85e354db02f8d15fe12b28a385cb8861> Referred-By: sip:1260@160.7.237.4 To: sip:66577160@160.7.237.89;tag=vaZK46cXrgeyQ From: sip:1260@160.7.237.4:5060;tag=85e354db02f8d15fe12b28a385cb8861 Call-ID: 5334d53d-b3c8-1235-dfbf-109836ab50bb CSeq: 1904933290 REFER Via: SIP/2.0/UDP 160.7.237.4;branch=z9hG4bK7d39c893d0c0fd0deab78b450e6efd31 Max-Forwards: 70 Content-Length: 0 ------------------------------------------------------------------------ 7bd68496-3925-11e7-9cfa-29f19fd18425 2017-05-15 12:18:20.270464 [DEBUG] sofia.c:8487 Process REFER to [7950@160.7.237.4] 7bd68496-3925-11e7-9cfa-29f19fd18425 2017-05-15 12:18:20.270464 [DEBUG] sofia.c:8513 Replaces: [5334d53d-b3c8-1235-dfbf-109836ab50bb] send 613 bytes to udp/[160.7.237.4]:5060 at 12:18:20.290107: ------------------------------------------------------------------------ SIP/2.0 202 Accepted Via: SIP/2.0/UDP 160.7.237.4;branch=z9hG4bK7d39c893d0c0fd0deab78b450e6efd31 From: sip:1260@160.7.237.4:5060;tag=85e354db02f8d15fe12b28a385cb8861 To: sip:66577160@160.7.237.89;tag=vaZK46cXrgeyQ Call-ID: 5334d53d-b3c8-1235-dfbf-109836ab50bb CSeq: 1904933290 REFER Contact: <sip:gw+siptrunk1@160.7.237.89:5080;transport=udp;gw=siptrunk1> Expires: 60 User-Agent: FreeSWITCH-mod_sofia/1.6.15~64bit Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY Supported: timer, path, replaces Allow-Events: talk, hold, conference, refer Content-Length: 0 ------------------------------------------------------------------------ 7bd68496-3925-11e7-9cfa-29f19fd18425 2017-05-15 12:18:20.270464 [NOTICE] sofia.c:8710 Attended Transfer [791cb18a-3925-11e7-9cf0-29f19fd18425][791cb18a-3925-11e7-9cf0-29f19fd18425] 791cb18a-3925-11e7-9cf0-29f19fd18425 2017-05-15 12:18:20.270464 [DEBUG] switch_ivr_bridge.c:1982 (FreeTDM/1:21/1260) State Change CS_EXECUTE -> CS_HIBERNATE 791cb18a-3925-11e7-9cf0-29f19fd18425 2017-05-15 12:18:20.270464 [DEBUG] switch_ivr_bridge.c:1984 (FreeTDM/1:21/1260) State Change CS_HIBERNATE -> CS_CONSUME_MEDIA 7bd68496-3925-11e7-9cfa-29f19fd18425 2017-05-15 12:18:20.270464 [DEBUG] switch_channel.c:2029 (sofia/external/1260) Callstate Change HELD -> UNHELD 7bd68496-3925-11e7-9cfa-29f19fd18425 2017-05-15 12:18:20.270464 [DEBUG] sofia.c:8785 (sofia/external/1260) State Change CS_EXCHANGE_MEDIA -> CS_PARK send 774 bytes to udp/[160.7.237.4]:5060 at 12:18:20.290288: ------------------------------------------------------------------------ NOTIFY sip:160.7.237.4 SIP/2.0 Via: SIP/2.0/UDP 160.7.237.89:5080;rport;branch=z9hG4bKH8BaH8ejBemBB Max-Forwards: 70 From: "66577160" <sip:66577160@160.7.237.89>;tag=vaZK46cXrgeyQ To: <sip:1260@160.7.237.4:5060>;tag=85e354db02f8d15fe12b28a385cb8861 Call-ID: 5334d53d-b3c8-1235-dfbf-109836ab50bb CSeq: 107074877 NOTIFY Contact: <sip:gw+siptrunk1@160.7.237.89:5080;transport=udp;gw=siptrunk1> User-Agent: FreeSWITCH-mod_sofia/1.6.15~64bit Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY Supported: timer, path, replaces Event: refer;id=1904933290 Allow-Events: talk, hold, conference, refer Subscription-State: terminated;reason=noresource Content-Type: message/sipfrag;version=2.0 Content-Length: 16 SIP/2.0 200 OK ------------------------------------------------------------------------ 791cb18a-3925-11e7-9cf0-29f19fd18425 2017-05-15 12:18:20.290465 [DEBUG] switch_ivr_play_say.c:1942 done playing file local_stream://moh recv 545 bytes from udp/[160.7.237.4]:5060 at 12:18:20.304851: ------------------------------------------------------------------------ SIP/2.0 200 OK Allow: INVITE, ACK, CANCEL, BYE, PRACK, NOTIFY, REFER, SUBSCRIBE, OPTIONS, UPDATE, INFO Contact: sip:160.7.237.4 Supported: replaces,timer,path,100rel User-Agent: OmniPCX Enterprise R11.2.2 l2.300.33.a To: <sip:1260@160.7.237.4:5060>;tag=85e354db02f8d15fe12b28a385cb8861 From: "66577160" <sip:66577160@160.7.237.89>;tag=vaZK46cXrgeyQ Call-ID: 5334d53d-b3c8-1235-dfbf-109836ab50bb CSeq: 107074877 NOTIFY Via: SIP/2.0/UDP 160.7.237.89:5080;received=160.7.237.89;rport=5080;branch=z9hG4bKH8BaH8ejBemBB Content-Length: 0 ------------------------------------------------------------------------ recv 470 bytes from udp/[160.7.237.4]:5060 at 12:18:20.310591: ------------------------------------------------------------------------ BYE sip:gw+siptrunk1@160.7.237.89:5080;transport=udp;gw=siptrunk1 SIP/2.0 Supported: replaces,timer,path,100rel User-Agent: OmniPCX Enterprise R11.2.2 l2.300.33.a To: sip:66577160@160.7.237.89;tag=vaZK46cXrgeyQ From: sip:1260@160.7.237.4:5060;tag=85e354db02f8d15fe12b28a385cb8861 Call-ID: 5334d53d-b3c8-1235-dfbf-109836ab50bb CSeq: 1904933291 BYE Via: SIP/2.0/UDP 160.7.237.4;branch=z9hG4bKf69a857f743ba04db1f37bb7af0337f8 Max-Forwards: 70 Content-Length: 0 ------------------------------------------------------------------------ 791cb18a-3925-11e7-9cf0-29f19fd18425 2017-05-15 12:18:20.310465 [DEBUG] switch_ivr_bridge.c:752 BRIDGE THREAD DONE [FreeTDM/1:21/1260] 791cb18a-3925-11e7-9cf0-29f19fd18425 2017-05-15 12:18:25.530465 [DEBUG] switch_ivr_bridge.c:1729 (FreeTDM/1:21/1260) State Change CS_CONSUME_MEDIA -> CS_RESET 7bd68496-3925-11e7-9cfa-29f19fd18425 2017-05-15 12:18:25.530465 [NOTICE] fssession.cpp:139 Hangup sofia/external/1260 [CS_PARK] [NORMAL_CLEARING] 2017-05-15 12:18:25.530465 [INFO] mod_v8.cpp:627 Javascript result: [true] 7bd68496-3925-11e7-9cfa-29f19fd18425 2017-05-15 12:18:25.530465 [DEBUG] switch_ivr_bridge.c:752 BRIDGE THREAD DONE [sofia/external/1260] 7bd68496-3925-11e7-9cfa-29f19fd18425 2017-05-15 12:18:25.530465 [DEBUG] switch_core_state_machine.c:653 (sofia/external/1260) State EXCHANGE_MEDIA going to sleep 7bd68496-3925-11e7-9cfa-29f19fd18425 2017-05-15 12:18:25.530465 [DEBUG] switch_core_state_machine.c:584 (sofia/external/1260) Running State Change CS_HANGUP (Cur 5 Tot 17168) 7bd68496-3925-11e7-9cfa-29f19fd18425 2017-05-15 12:18:25.530465 [DEBUG] sofia.c:1453 Channel is already hungup. -- View this message in context: http://freeswitch-users.2379917.n2.nabble.com/REFER-message-with-replaces-fr... 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