Hi, I have some issues here with transfering inbound calls from outside the sipx pabx network. Calls transfers work fine when the source of the initial call was from within the sipx pabx network.
The setup we have here is: PSTN --> pstn-switch (with sip proxy) --> sipx. the pstn-switch (with sip proxy) is a box called Topex MultiACCESS (www.topex.ro). They have actually published their SIP interoperability requirements here: http://wiki.topex.ro/index.php/SIP_compatibility_requirements I route calls from the pstn switch to an ACD on the sipx, and while the ACD is playing try to choose a destination extension, the ACD gets the DTMF and says 'trying to transfer your call' .. and then nothing happens. In sipx , the calls are just hung and are listed as active calls .. but the topex gateway times out the call. I have attached an ngrep capture of the SIP exchanges (ext 100 is to the ACD on the sipx). I have struggled with this for a while, but I reckon its time to elicit some extra pair of eyes, and I would appreciate any comments/suggestions/etc. Thanks in advance, --carl
interface: eth2 (192.168.0.0/255.255.0.0) filter: (ip) and ( port 5060 and host 192.168.0.5 ) U 2009/06/18 18:12:38.089527 192.168.0.5:5060 -> 192.168.0.2:5060 INVITE sip:1...@192.168.0.2:5060 SIP/2.0. Via: SIP/2.0/UDP 192.168.0.5:5060;branch=z9hG4bK37e4bdb9. Call-ID: 249dd7a7-5dcfe5c5-33a42459-64e56...@192.168.0.5. CSeq: 1 INVITE. From: "08078347440" <sip:08078347...@192.168.0.5:5060>;tag=top253229694. P-Asserted-Identity: <sip:08078347...@192.168.0.5:5060>. To: <sip:1...@192.168.0.2:5060>. Contact: <sip:08078347...@192.168.0.5:5060>. Supported: timer,replaces. Session-Expires: 1800. Allow: REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,INFO,UPDATE,REFER,SUBSCRIBE,NOTIFY,PUBLISH. Max-Forwards: 70. User-Agent: Topex_Ver_4.3.30. Content-Type: application/sdp. Content-Length: 275. . v=0. o=root 845470 845470 IN IP4 192.168.0.6. s=Topex. c=IN IP4 192.168.0.6. t=0 0. m=audio 10008 RTP/AVP 0 8 4 18 101. a=rtpmap:0 PCMU/8000. a=rtpmap:8 PCMA/8000. a=rtpmap:4 G723/8000. a=rtpmap:18 G729/8000. a=rtpmap:101 telephone-event/8000/1. a=fmtp:101 0-16. a=sendrecv. U 2009/06/18 18:12:38.094046 192.168.0.2:5060 -> 192.168.0.5:5060 SIP/2.0 100 Trying. From: "08078347440" <sip:08078347...@192.168.0.5:5060>;tag=top253229694. To: <sip:1...@192.168.0.2:5060>. Call-Id: 249dd7a7-5dcfe5c5-33a42459-64e56...@192.168.0.5. Cseq: 1 INVITE. Via: SIP/2.0/UDP 192.168.0.5:5060;branch=z9hG4bK37e4bdb9. Content-Length: 0. . U 2009/06/18 18:12:38.287151 192.168.0.2:5060 -> 192.168.0.5:5060 SIP/2.0 180 Ringing. From: "08078347440" <sip:08078347...@192.168.0.5:5060>;tag=top253229694. To: <sip:1...@192.168.0.2:5060>;tag=331628359. Call-Id: 249dd7a7-5dcfe5c5-33a42459-64e56...@192.168.0.5. Cseq: 1 INVITE. Via: SIP/2.0/UDP 192.168.0.5:5060;branch=z9hG4bK37e4bdb9. Contact: <sip:1...@192.168.0.2:5100;transport=tcp;voicexml=https%3A%2F%2Flocalhost%3A8091%2Fcgi-bin%2Fvoicemail%2Fmediaserver.cgi%3Faction%3Dautoattendant%26name%3Daa_7>. Date: Thu, 18 Jun 2009 17:12:38 GMT. User-Agent: sipXecs/3.10.2 sipXecs/vxml (Linux). Accept-Language: en. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY. Supported: sip-cc, sip-cc-01, replaces, replaces. Content-Length: 0. . U 2009/06/18 18:12:38.299896 192.168.0.2:5060 -> 192.168.0.5:5060 SIP/2.0 200 OK. From: "08078347440" <sip:08078347...@192.168.0.5:5060>;tag=top253229694. To: <sip:1...@192.168.0.2:5060>;tag=331628359. Call-Id: 249dd7a7-5dcfe5c5-33a42459-64e56...@192.168.0.5. Cseq: 1 INVITE. Contact: <sip:1...@192.168.0.2:5100;transport=tcp;voicexml=https%3A%2F%2Flocalhost%3A8091%2Fcgi-bin%2Fvoicemail%2Fmediaserver.cgi%3Faction%3Dautoattendant%26name%3Daa_7>. Content-Type: application/sdp. Content-Length: 210. Via: SIP/2.0/UDP 192.168.0.5:5060;branch=z9hG4bK37e4bdb9. Record-Route: <sip:192.168.0.2:5060;lr;sipXecs-rs=%2Afrom%7EdG9wMjUzMjI5Njk0.400_authrules%2Aauth%7E%2118d698d898633e1434fc1ec75948f7a1>. Session-Expires: 1800. Date: Thu, 18 Jun 2009 17:12:38 GMT. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY. User-Agent: sipXecs/3.10.2 sipXecs/vxml (Linux). Accept-Language: en. Supported: sip-cc, sip-cc-01, replaces, replaces. . v=0. o=sipXecs 5 14 IN IP4 192.168.0.2. s=phone-call. c=IN IP4 192.168.0.2. t=0 0. m=audio 9000 RTP/AVP 0 8 101. a=sendrecv. a=rtpmap:0 pcmu/8000/1. a=rtpmap:8 pcma/8000/1. a=rtpmap:101 telephone-event/8000/1. U 2009/06/18 18:12:38.331620 192.168.0.5:5060 -> 192.168.0.2:5100 ACK sip:1...@192.168.0.2:5100 SIP/2.0. Via: SIP/2.0/UDP 192.168.0.5:5060;branch=z9hG4bK2a8dfc94. Route: <sip:192.168.0.2:5060;lr;sipXecs-rs=%2Afrom%7EdG9wMjUzMjI5Njk0.400_authrules%2Aauth%7E%2118d698d898633e1434fc1ec75948f7a1>. Call-ID: 249dd7a7-5dcfe5c5-33a42459-64e56...@192.168.0.5. Contact: <sip:08078347...@192.168.0.5:5060>. CSeq: 1 ACK. From: "08078347440" <sip:08078347...@192.168.0.5:5060>;tag=top253229694. To: <sip:1...@192.168.0.2:5060>;tag=331628359. Supported: timer,replaces. Allow: REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,INFO,UPDATE,REFER,SUBSCRIBE,NOTIFY,PUBLISH. Max-Forwards: 70. Content-Length: 0. . U 2009/06/18 18:12:49.667621 192.168.0.5:5060 -> 192.168.0.2:5100 INFO sip:1...@192.168.0.2:5100 SIP/2.0. Via: SIP/2.0/UDP 192.168.0.5:5060;branch=z9hG4bK1ec2550d. Route: <sip:192.168.0.2:5060;lr;sipXecs-rs=%2Afrom%7EdG9wMjUzMjI5Njk0.400_authrules%2Aauth%7E%2118d698d898633e1434fc1ec75948f7a1>. Call-ID: 249dd7a7-5dcfe5c5-33a42459-64e56...@192.168.0.5. CSeq: 2 INFO. From: "08078347440" <sip:08078347...@192.168.0.5:5060>;tag=top253229694. To: <sip:1...@192.168.0.2:5060>;tag=331628359. Supported: timer,replaces. Allow: REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,INFO,UPDATE,REFER,SUBSCRIBE,NOTIFY,PUBLISH. Max-Forwards: 70. Content-Type: application/dtmf-relay. Content-Length: 23. . Signal=2. Duration=70. U 2009/06/18 18:12:49.671872 192.168.0.2:32786 -> 192.168.0.5:5060 SIP/2.0 405 Method Not Allowed. From: "08078347440" <sip:08078347...@192.168.0.5:5060>;tag=top253229694. To: <sip:1...@192.168.0.2:5060>;tag=331628359. Call-Id: 249dd7a7-5dcfe5c5-33a42459-64e56...@192.168.0.5. Cseq: 2 INFO. Via: SIP/2.0/UDP 192.168.0.5:5060;branch=z9hG4bK1ec2550d. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY. Content-Length: 0. . U 2009/06/18 18:12:50.628539 192.168.0.5:5060 -> 192.168.0.2:5100 INFO sip:1...@192.168.0.2:5100 SIP/2.0. Via: SIP/2.0/UDP 192.168.0.5:5060;branch=z9hG4bK3c087005. Route: <sip:192.168.0.2:5060;lr;sipXecs-rs=%2Afrom%7EdG9wMjUzMjI5Njk0.400_authrules%2Aauth%7E%2118d698d898633e1434fc1ec75948f7a1>. Call-ID: 249dd7a7-5dcfe5c5-33a42459-64e56...@192.168.0.5. CSeq: 3 INFO. From: "08078347440" <sip:08078347...@192.168.0.5:5060>;tag=top253229694. To: <sip:1...@192.168.0.2:5060>;tag=331628359. Supported: timer,replaces. Allow: REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,INFO,UPDATE,REFER,SUBSCRIBE,NOTIFY,PUBLISH. Max-Forwards: 70. Content-Type: application/dtmf-relay. Content-Length: 23. . Signal=2. Duration=70. U 2009/06/18 18:12:50.631097 192.168.0.2:32786 -> 192.168.0.5:5060 SIP/2.0 405 Method Not Allowed. From: "08078347440" <sip:08078347...@192.168.0.5:5060>;tag=top253229694. To: <sip:1...@192.168.0.2:5060>;tag=331628359. Call-Id: 249dd7a7-5dcfe5c5-33a42459-64e56...@192.168.0.5. Cseq: 3 INFO. Via: SIP/2.0/UDP 192.168.0.5:5060;branch=z9hG4bK3c087005. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY. Content-Length: 0. . U 2009/06/18 18:12:51.451456 192.168.0.5:5060 -> 192.168.0.2:5100 INFO sip:1...@192.168.0.2:5100 SIP/2.0. Via: SIP/2.0/UDP 192.168.0.5:5060;branch=z9hG4bK4be2e325. Route: <sip:192.168.0.2:5060;lr;sipXecs-rs=%2Afrom%7EdG9wMjUzMjI5Njk0.400_authrules%2Aauth%7E%2118d698d898633e1434fc1ec75948f7a1>. Call-ID: 249dd7a7-5dcfe5c5-33a42459-64e56...@192.168.0.5. CSeq: 4 INFO. From: "08078347440" <sip:08078347...@192.168.0.5:5060>;tag=top253229694. To: <sip:1...@192.168.0.2:5060>;tag=331628359. Supported: timer,replaces. Allow: REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,INFO,UPDATE,REFER,SUBSCRIBE,NOTIFY,PUBLISH. Max-Forwards: 70. Content-Type: application/dtmf-relay. Content-Length: 23. . Signal=2. Duration=70. U 2009/06/18 18:12:51.453976 192.168.0.2:32786 -> 192.168.0.5:5060 SIP/2.0 405 Method Not Allowed. From: "08078347440" <sip:08078347...@192.168.0.5:5060>;tag=top253229694. To: <sip:1...@192.168.0.2:5060>;tag=331628359. Call-Id: 249dd7a7-5dcfe5c5-33a42459-64e56...@192.168.0.5. Cseq: 4 INFO. Via: SIP/2.0/UDP 192.168.0.5:5060;branch=z9hG4bK4be2e325. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY. Content-Length: 0. . U 2009/06/18 18:12:56.801017 192.168.0.2:5060 -> 192.168.0.5:5060 REFER sip:08078347...@192.168.0.5:5060 SIP/2.0. From: <sip:1...@192.168.0.2:5060>;tag=331628359. To: "08078347440" <sip:08078347...@192.168.0.5:5060>;tag=top253229694. Call-Id: 249dd7a7-5dcfe5c5-33a42459-64e56...@192.168.0.5. Cseq: 2 REFER. Contact: <sip:1...@192.168.0.2:5100;transport=tcp;voicexml=https%3A%2F%2Flocalhost%3A8091%2Fcgi-bin%2Fvoicemail%2Fmediaserver.cgi%3Faction%3Dautoattendant%26name%3Daa_7>. Referred-By: <sip:1...@192.168.0.2:5060>. Refer-To: <sip:2...@justice.gov.ng?x-sipx-authidentity=%3csip%3a%7e%7eid%7emedia%40justice.gov.ng%3bsignature%3d4a3a7598%253a%253ad310feba920b498b2db88120adc26a63%3e>. Date: Thu, 18 Jun 2009 17:12:56 GMT. Max-Forwards: 19. User-Agent: sipXecs/3.10.2 sipXecs/vxml (Linux). Accept-Language: en. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY. Supported: sip-cc, sip-cc-01, replaces, replaces. Proxy-Authorization: Digest username="~~id~media", realm="justice.gov.ng", nonce="caf748a7520e4dfa004ebaea310bc9c44a3a7598", uri="sip:08078347...@192.168.0.5:5060", response="2b7ba99da1c10a4493137a875ff7b24a". Via: SIP/2.0/UDP 192.168.0.2;branch=z9hG4bK-sipXecs-0e7890fedc72c1836523064af3b90c7729af. Via: SIP/2.0/UDP 192.168.0.2:5100;branch=z9hG4bK-sipXecs-0007625c28083a7f504713556e728ade26a4. Content-Length: 0. . U 2009/06/18 18:12:56.834010 192.168.0.5:5060 -> 192.168.0.2:5060 SIP/2.0 202 Accepted. Via: SIP/2.0/UDP 192.168.0.2;branch=z9hG4bK-sipXecs-0e7890fedc72c1836523064af3b90c7729af. Via: SIP/2.0/UDP 192.168.0.2:5100;branch=z9hG4bK-sipXecs-0007625c28083a7f504713556e728ade26a4. Call-ID: 249dd7a7-5dcfe5c5-33a42459-64e56...@192.168.0.5. CSeq: 2 REFER. From: <sip:1...@192.168.0.2:5060>;tag=331628359. To: "08078347440" <sip:08078347...@192.168.0.5:5060>;tag=top253229694. Contact: <sip:08078347...@192.168.0.5:5060>. Allow: REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,INFO,UPDATE,REFER,SUBSCRIBE,NOTIFY,PUBLISH. Max-Forwards: 70. Content-Length: 0. . U 2009/06/18 18:12:56.852037 192.168.0.5:5060 -> 192.168.0.2:5100 NOTIFY sip:1...@192.168.0.2:5100 SIP/2.0. Via: SIP/2.0/UDP 192.168.0.5:5060;branch=z9hG4bK7ec48edc. Route: <sip:192.168.0.2:5060;lr;sipXecs-rs=%2Afrom%7EdG9wMjUzMjI5Njk0.400_authrules%2Aauth%7E%2118d698d898633e1434fc1ec75948f7a1>. Call-ID: 249dd7a7-5dcfe5c5-33a42459-64e56...@192.168.0.5. CSeq: 5 NOTIFY. From: "08078347440" <sip:08078347...@192.168.0.5:5060>;tag=top253229694. To: <sip:1...@192.168.0.2:5060>;tag=331628359. Supported: timer,replaces. Allow: REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,INFO,UPDATE,REFER,SUBSCRIBE,NOTIFY,PUBLISH. Max-Forwards: 70. Event: refer. Subscription-State: active;expires=60. Content-Type: message/sipfrag. Content-Length: 20. . SIP/2.0 100 Trying. . U 2009/06/18 18:12:56.856877 192.168.0.2:32786 -> 192.168.0.5:5060 SIP/2.0 200 OK. From: "08078347440" <sip:08078347...@192.168.0.5:5060>;tag=top253229694. To: <sip:1...@192.168.0.2:5060>;tag=331628359. Call-Id: 249dd7a7-5dcfe5c5-33a42459-64e56...@192.168.0.5. Cseq: 5 NOTIFY. Contact: <sip:1...@192.168.0.2:5100;transport=tcp;voicexml=https%3A%2F%2Flocalhost%3A8091%2Fcgi-bin%2Fvoicemail%2Fmediaserver.cgi%3Faction%3Dautoattendant%26name%3Daa_7>. Via: SIP/2.0/UDP 192.168.0.5:5060;branch=z9hG4bK7ec48edc. Date: Thu, 18 Jun 2009 17:12:56 GMT. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY. User-Agent: sipXecs/3.10.2 sipXecs/vxml (Linux). Accept-Language: en. Supported: sip-cc, sip-cc-01, replaces, replaces. Content-Length: 0. . U 2009/06/18 18:13:11.815599 192.168.0.5:5060 -> 192.168.0.2:5100 BYE sip:1...@192.168.0.2:5100 SIP/2.0. Via: SIP/2.0/UDP 192.168.0.5:5060;branch=z9hG4bK0de805ec. Route: <sip:192.168.0.2:5060;lr;sipXecs-rs=%2Afrom%7EdG9wMjUzMjI5Njk0.400_authrules%2Aauth%7E%2118d698d898633e1434fc1ec75948f7a1>. Call-ID: 249dd7a7-5dcfe5c5-33a42459-64e56...@192.168.0.5. CSeq: 6 BYE. From: "08078347440" <sip:08078347...@192.168.0.5:5060>;tag=top253229694. To: <sip:1...@192.168.0.2:5060>;tag=331628359. Reason: Q.850 ;cause=41 ;text="Temporary failure". Supported: timer,replaces. Allow: REGISTER,OPTIONS,INVITE,ACK,CANCEL,BYE,INFO,UPDATE,REFER,SUBSCRIBE,NOTIFY,PUBLISH. Max-Forwards: 70. Content-Length: 0. . U 2009/06/18 18:13:11.823016 192.168.0.2:32786 -> 192.168.0.5:5060 SIP/2.0 200 OK. From: "08078347440" <sip:08078347...@192.168.0.5:5060>;tag=top253229694. To: <sip:1...@192.168.0.2:5060>;tag=331628359. Call-Id: 249dd7a7-5dcfe5c5-33a42459-64e56...@192.168.0.5. Cseq: 6 BYE. Contact: <sip:1...@192.168.0.2:5100;transport=tcp;voicexml=https%3A%2F%2Flocalhost%3A8091%2Fcgi-bin%2Fvoicemail%2Fmediaserver.cgi%3Faction%3Dautoattendant%26name%3Daa_7>. Via: SIP/2.0/UDP 192.168.0.5:5060;branch=z9hG4bK0de805ec. Date: Thu, 18 Jun 2009 17:13:11 GMT. Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY. User-Agent: sipXecs/3.10.2 sipXecs/vxml (Linux). Accept-Language: en. Supported: sip-cc, sip-cc-01, replaces, replaces. Content-Length: 0. .
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