[Users] question about ACK

Klaus Darilion klaus.mailinglists at pernau.at
Mon Apr 23 16:32:30 CEST 2007 

User-Agent: Brcm-Callctrl/v1.7.1.1 MxSF/v3.6.2.5. is buggy

The request URI of the ACK should be the Contact URI of the 200 Ok.

regards
klaus

Papadopoulos Georgios wrote:
> Hello all,
>  
> In the following call to PSTN, Openser gets into an infinite loop when
> the ACK is received. It starts sending the ACK to itself. Is this
> because the ACK is not right or could it be a misconfiguration in my
> part?
>  
> thank you for any help
>  
> George
>  
>  
> #
> U 2007/04/18 13:44:46.759951 213.5.17.223:5058 -> 213.5.43.4:5060
> INVITE sip:2116873831 at sip.altecnet.gr:5060 SIP/2.0.
> Max-Forwards: 70.
> Content-Length: 378.
> Via: SIP/2.0/UDP 213.5.17.223:5058;branch=z9hG4bK08349b43d.
> Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
> From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
> To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>.
> CSeq: 424044974 INVITE.
> Supported: 100rel.
> Supported: timer.
> Allow: NOTIFY, REFER, OPTIONS, INVITE, ACK, CANCEL, BYE.
> Content-Type: application/sdp.
> Supported: replaces.
> Proxy-Authorization:Digest
> response="87bc0f48f292fa5213368434f8712c39",username="demo1",realm="alte
> cnet.gr",nonce="4625f7cabd05f0720edd9ab601211b1759066235",uri="sip:21168
> 73831 at sip.altecnet.gr:5060".
> Contact: demo1 <sip:demo1 at 213.5.17.223:5058>.
> User-Agent: Brcm-Callctrl/v1.7.1.1 MxSF/v3.6.2.5.
> .
> v=0.
> o=MxSIP 0 1153034350 IN IP4 213.5.17.223.
> s=SIP Call.
> c=IN IP4 213.5.17.223.
> t=0 0.
> m=audio 57994 RTP/AVP 8 0 97 98 109 99 4 18.
> a=rtpmap:8 PCMA/8000.
> a=rtpmap:0 PCMU/8000.
> a=rtpmap:97 G726-16/8000.
> a=rtpmap:98 G726-24/8000.
> a=rtpmap:109 G726-32/8000.
> a=rtpmap:99 G726-40/8000.
> a=rtpmap:4 G723/8000.
> a=rtpmap:18 G729/8000.
> a=ptime:20.
> a=sendrecv.
> a=silenceSupp:on - - - -.
>  
> #
> U 2007/04/18 13:44:46.764816 213.5.43.4:5060 -> 213.5.17.223:5058
> SIP/2.0 100 trying -- your call is important to us.
> Via: SIP/2.0/UDP 213.5.17.223:5058;branch=z9hG4bK08349b43d;rport=5058.
> Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
> From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
> To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>.
> CSeq: 424044974 INVITE.
> Server: OpenSer (1.1.1-notls (i386/linux)).
> Content-Length: 0.
> .
>  
> #
> U 2007/04/18 13:44:46.764967 213.5.43.4:5060 -> 213.5.1.6:5060
> INVITE sip:400#2116873831 at 213.5.1.6:5060 SIP/2.0.
> Record-Route: <sip:213.5.43.4;lr=on;ftag=299ad500d129e32>.
> Max-Forwards: 69.
> Content-Length: 378.
> Via: SIP/2.0/UDP 213.5.43.4;branch=z9hG4bKb455.b4c98796.0.
> Via: SIP/2.0/UDP 213.5.17.223:5058;rport=5058;branch=z9hG4bK08349b43d.
> Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
> From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
> To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>.
> CSeq: 424044974 INVITE.
> Supported: 100rel.
> Supported: timer.
> Allow: NOTIFY, REFER, OPTIONS, INVITE, ACK, CANCEL, BYE.
> Content-Type: application/sdp.
> Supported: replaces.
> Contact: demo1 <sip:demo1 at 213.5.17.223:5058>.
> User-Agent: Brcm-Callctrl/v1.7.1.1 MxSF/v3.6.2.5.
> .
> v=0.
> o=MxSIP 0 1153034350 IN IP4 213.5.17.223.
> s=SIP Call.
> c=IN IP4 213.5.17.223.
> t=0 0.
> m=audio 57994 RTP/AVP 8 0 97 98 109 99 4 18.
> a=rtpmap:8 PCMA/8000.
> a=rtpmap:0 PCMU/8000.
> a=rtpmap:97 G726-16/8000.
> a=rtpmap:98 G726-24/8000.
> a=rtpmap:109 G726-32/8000.
> a=rtpmap:99 G726-40/8000.
> a=rtpmap:4 G723/8000.
> a=rtpmap:18 G729/8000.
> a=ptime:20.
> a=sendrecv.
> a=silenceSupp:on - - - -.
>  
> #
> U 2007/04/18 13:44:46.781896 213.5.1.6:5060 -> 213.5.43.4:5060
> SIP/2.0 100 Trying.
> Via: SIP/2.0/UDP 213.5.43.4;branch=z9hG4bKb455.b4c98796.0,SIP/2.0/UDP
> 213.5.17.223:5058;rport=5058;branch=z9hG4bK08349b43d.
> From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
> To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>;tag=4C655430-F57.
> Date: Wed, 18 Apr 2007 10:44:46 GMT.
> Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
> Server: Cisco-SIPGateway/IOS-12.x.
> CSeq: 424044974 INVITE.
> Allow-Events: telephone-event.
> Content-Length: 0.
> .
>  
> #
> U 2007/04/18 13:44:46.913667 213.5.1.6:5060 -> 213.5.43.4:5060
> SIP/2.0 183 Session Progress.
> Via: SIP/2.0/UDP 213.5.43.4;branch=z9hG4bKb455.b4c98796.0,SIP/2.0/UDP
> 213.5.17.223:5058;rport=5058;branch=z9hG4bK08349b43d.
> From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
> To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>;tag=4C655430-F57.
> Date: Wed, 18 Apr 2007 10:44:46 GMT.
> Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
> Server: Cisco-SIPGateway/IOS-12.x.
> CSeq: 424044974 INVITE.
> Require: 100rel.
> RSeq: 1883.
> Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER,
> SUBSCRIBE, NOTIFY, INFO, UPDATE, REGISTER.
> Allow-Events: telephone-event.
> Contact: <sip:400#2116873831 at 213.5.1.6:5060>.
> Record-Route: <sip:213.5.43.4;lr=on;ftag=299ad500d129e32>.
> Content-Disposition: session;handling=required.
> Content-Type: application/sdp.
> Content-Length: 232.
> .
> v=0.
> o=CiscoSystemsSIP-GW-UserAgent 7897 3551 IN IP4 213.5.1.6.
> s=SIP Call.
> c=IN IP4 213.5.1.6.
> t=0 0.
> m=audio 19140 RTP/AVP 18.
> c=IN IP4 213.5.1.6.
> a=rtpmap:18 G729/8000.
> a=fmtp:18 annexb=no.
> a=ptime:40.
> a=silenceSupp:off - - - -.
>  
> #
> U 2007/04/18 13:44:46.914048 213.5.43.4:5060 -> 213.5.17.223:5058
> SIP/2.0 183 Session Progress.
> Via: SIP/2.0/UDP 213.5.17.223:5058;rport=5058;branch=z9hG4bK08349b43d.
> From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
> To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>;tag=4C655430-F57.
> Date: Wed, 18 Apr 2007 10:44:46 GMT.
> Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
> Server: Cisco-SIPGateway/IOS-12.x.
> CSeq: 424044974 INVITE.
> Require: 100rel.
> RSeq: 1883.
> Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER,
> SUBSCRIBE, NOTIFY, INFO, UPDATE, REGISTER.
> Allow-Events: telephone-event.
> Contact: <sip:400#2116873831 at 213.5.1.6:5060>.
> Record-Route: <sip:213.5.43.4;lr=on;ftag=299ad500d129e32>.
> Content-Disposition: session;handling=required.
> Content-Type: application/sdp.
> Content-Length: 232.
> .
> v=0.
> o=CiscoSystemsSIP-GW-UserAgent 7897 3551 IN IP4 213.5.1.6.
> s=SIP Call.
> c=IN IP4 213.5.1.6.
> t=0 0.
> m=audio 19140 RTP/AVP 18.
> c=IN IP4 213.5.1.6.
> a=rtpmap:18 G729/8000.
> a=fmtp:18 annexb=no.
> a=ptime:40.
> a=silenceSupp:off - - - -.
>  
> #
> U 2007/04/18 13:44:47.413787 213.5.1.6:5060 -> 213.5.43.4:5060
> SIP/2.0 183 Session Progress.
> Via: SIP/2.0/UDP 213.5.43.4;branch=z9hG4bKb455.b4c98796.0,SIP/2.0/UDP
> 213.5.17.223:5058;rport=5058;branch=z9hG4bK08349b43d.
> From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
> To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>;tag=4C655430-F57.
> Date: Wed, 18 Apr 2007 10:44:46 GMT.
> Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
> Server: Cisco-SIPGateway/IOS-12.x.
> CSeq: 424044974 INVITE.
> Require: 100rel.
> RSeq: 1883.
> Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER,
> SUBSCRIBE, NOTIFY, INFO, UPDATE, REGISTER.
> Allow-Events: telephone-event.
> Contact: <sip:400#2116873831 at 213.5.1.6:5060>.
> Record-Route: <sip:213.5.43.4;lr=on;ftag=299ad500d129e32>.
> Content-Disposition: session;handling=required.
> Content-Type: application/sdp.
> Content-Length: 232.
> .
> v=0.
> o=CiscoSystemsSIP-GW-UserAgent 7897 3551 IN IP4 213.5.1.6.
> s=SIP Call.
> c=IN IP4 213.5.1.6.
> t=0 0.
> m=audio 19140 RTP/AVP 18.
> c=IN IP4 213.5.1.6.
> a=rtpmap:18 G729/8000.
> a=fmtp:18 annexb=no.
> a=ptime:40.
> a=silenceSupp:off - - - -.
>  
> #
> U 2007/04/18 13:44:47.414278 213.5.43.4:5060 -> 213.5.17.223:5058
> SIP/2.0 183 Session Progress.
> Via: SIP/2.0/UDP 213.5.17.223:5058;rport=5058;branch=z9hG4bK08349b43d.
> From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
> To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>;tag=4C655430-F57.
> Date: Wed, 18 Apr 2007 10:44:46 GMT.
> Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
> Server: Cisco-SIPGateway/IOS-12.x.
> CSeq: 424044974 INVITE.
> Require: 100rel.
> RSeq: 1883.
> Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER,
> SUBSCRIBE, NOTIFY, INFO, UPDATE, REGISTER.
> Allow-Events: telephone-event.
> Contact: <sip:400#2116873831 at 213.5.1.6:5060>.
> Record-Route: <sip:213.5.43.4;lr=on;ftag=299ad500d129e32>.
> Content-Disposition: session;handling=required.
> Content-Type: application/sdp.
> Content-Length: 232.
> .
> v=0.
> o=CiscoSystemsSIP-GW-UserAgent 7897 3551 IN IP4 213.5.1.6.
> s=SIP Call.
> c=IN IP4 213.5.1.6.
> t=0 0.
> m=audio 19140 RTP/AVP 18.
> c=IN IP4 213.5.1.6.
> a=rtpmap:18 G729/8000.
> a=fmtp:18 annexb=no.
> a=ptime:40.
> a=silenceSupp:off - - - -.
>  
> #
> U 2007/04/18 13:44:48.413460 213.5.1.6:5060 -> 213.5.43.4:5060
> SIP/2.0 183 Session Progress.
> Via: SIP/2.0/UDP 213.5.43.4;branch=z9hG4bKb455.b4c98796.0,SIP/2.0/UDP
> 213.5.17.223:5058;rport=5058;branch=z9hG4bK08349b43d.
> From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
> To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>;tag=4C655430-F57.
> Date: Wed, 18 Apr 2007 10:44:46 GMT.
> Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
> Server: Cisco-SIPGateway/IOS-12.x.
> CSeq: 424044974 INVITE.
> Require: 100rel.
> RSeq: 1883.
> Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER,
> SUBSCRIBE, NOTIFY, INFO, UPDATE, REGISTER.
> Allow-Events: telephone-event.
> Contact: <sip:400#2116873831 at 213.5.1.6:5060>.
> Record-Route: <sip:213.5.43.4;lr=on;ftag=299ad500d129e32>.
> Content-Disposition: session;handling=required.
> Content-Type: application/sdp.
> Content-Length: 232.
> .
> v=0.
> o=CiscoSystemsSIP-GW-UserAgent 7897 3551 IN IP4 213.5.1.6.
> s=SIP Call.
> c=IN IP4 213.5.1.6.
> t=0 0.
> m=audio 19140 RTP/AVP 18.
> c=IN IP4 213.5.1.6.
> a=rtpmap:18 G729/8000.
> a=fmtp:18 annexb=no.
> a=ptime:40.
> a=silenceSupp:off - - - -.
>  
> #
> U 2007/04/18 13:44:48.413952 213.5.43.4:5060 -> 213.5.17.223:5058
> SIP/2.0 183 Session Progress.
> Via: SIP/2.0/UDP 213.5.17.223:5058;rport=5058;branch=z9hG4bK08349b43d.
> From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
> To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>;tag=4C655430-F57.
> Date: Wed, 18 Apr 2007 10:44:46 GMT.
> Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
> Server: Cisco-SIPGateway/IOS-12.x.
> CSeq: 424044974 INVITE.
> Require: 100rel.
> RSeq: 1883.
> Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER,
> SUBSCRIBE, NOTIFY, INFO, UPDATE, REGISTER.
> Allow-Events: telephone-event.
> Contact: <sip:400#2116873831 at 213.5.1.6:5060>.
> Record-Route: <sip:213.5.43.4;lr=on;ftag=299ad500d129e32>.
> Content-Disposition: session;handling=required.
> Content-Type: application/sdp.
> Content-Length: 232.
> .
> v=0.
> o=CiscoSystemsSIP-GW-UserAgent 7897 3551 IN IP4 213.5.1.6.
> s=SIP Call.
> c=IN IP4 213.5.1.6.
> t=0 0.
> m=audio 19140 RTP/AVP 18.
> c=IN IP4 213.5.1.6.
> a=rtpmap:18 G729/8000.
> a=fmtp:18 annexb=no.
> a=ptime:40.
> a=silenceSupp:off - - - -.
>  
> #
> U 2007/04/18 13:44:48.582989 213.5.1.6:5060 -> 213.5.43.4:5060
> SIP/2.0 200 OK.
> Via: SIP/2.0/UDP 213.5.43.4;branch=z9hG4bKb455.b4c98796.0,SIP/2.0/UDP
> 213.5.17.223:5058;rport=5058;branch=z9hG4bK08349b43d.
> From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
> To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>;tag=4C655430-F57.
> Date: Wed, 18 Apr 2007 10:44:46 GMT.
> Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
> Server: Cisco-SIPGateway/IOS-12.x.
> CSeq: 424044974 INVITE.
> Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER,
> SUBSCRIBE, NOTIFY, INFO, UPDATE, REGISTER.
> Allow-Events: telephone-event.
> Contact: <sip:400#2116873831 at 213.5.1.6:5060>.
> Record-Route: <sip:213.5.43.4;lr=on;ftag=299ad500d129e32>.
> Content-Type: application/sdp.
> Content-Length: 232.
> .
> v=0.
> o=CiscoSystemsSIP-GW-UserAgent 7897 3551 IN IP4 213.5.1.6.
> s=SIP Call.
> c=IN IP4 213.5.1.6.
> t=0 0.
> m=audio 19140 RTP/AVP 18.
> c=IN IP4 213.5.1.6.
> a=rtpmap:18 G729/8000.
> a=fmtp:18 annexb=no.
> a=ptime:40.
> a=silenceSupp:off - - - -.
>  
> #
> U 2007/04/18 13:44:48.583304 213.5.43.4:5060 -> 213.5.17.223:5058
> SIP/2.0 200 OK.
> Via: SIP/2.0/UDP 213.5.17.223:5058;rport=5058;branch=z9hG4bK08349b43d.
> From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
> To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>;tag=4C655430-F57.
> Date: Wed, 18 Apr 2007 10:44:46 GMT.
> Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
> Server: Cisco-SIPGateway/IOS-12.x.
> CSeq: 424044974 INVITE.
> Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, COMET, REFER,
> SUBSCRIBE, NOTIFY, INFO, UPDATE, REGISTER.
> Allow-Events: telephone-event.
> Contact: <sip:400#2116873831 at 213.5.1.6:5060>.
> Record-Route: <sip:213.5.43.4;lr=on;ftag=299ad500d129e32>.
> Content-Type: application/sdp.
> Content-Length: 232.
> .
> v=0.
> o=CiscoSystemsSIP-GW-UserAgent 7897 3551 IN IP4 213.5.1.6.
> s=SIP Call.
> c=IN IP4 213.5.1.6.
> t=0 0.
> m=audio 19140 RTP/AVP 18.
> c=IN IP4 213.5.1.6.
> a=rtpmap:18 G729/8000.
> a=fmtp:18 annexb=no.
> a=ptime:40.
> a=silenceSupp:off - - - -.
>  
> #
> U 2007/04/18 13:44:48.718798 213.5.17.223:5058 -> 213.5.43.4:5060
> ACK sip:2116873831 at sip.altecnet.gr:5060 SIP/2.0.
> Max-Forwards: 70.
> Content-Length: 0.
> Via: SIP/2.0/UDP 213.5.17.223:5058;branch=z9hG4bKd1e7e81f7.
> Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
> From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
> To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>;tag=4C655430-F57.
> Route: <sip:213.5.43.4;lr=on;ftag=299ad500d129e32>.
> CSeq: 424044974 ACK.
> Proxy-Authorization:Digest
> response="87bc0f48f292fa5213368434f8712c39",username="demo1",realm="alte
> cnet.gr",nonce="4625f7cabd05f0720edd9ab601211b1759066235",uri="sip:21168
> 73831 at sip.altecnet.gr:5060".
> User-Agent: Brcm-Callctrl/v1.7.1.1 MxSF/v3.6.2.5.
> .
>  
> #
> U 2007/04/18 13:44:48.719303 213.5.43.4:5060 -> 213.5.43.4:5060
> ACK sip:213.5.43.4;lr=on;ftag=299ad500d129e32 SIP/2.0.
> Record-Route: <sip:213.5.43.4;lr=on;ftag=299ad500d129e32>.
> Max-Forwards: 69.
> Content-Length: 0.
> Via: SIP/2.0/UDP 213.5.43.4;branch=z9hG4bKb455.b4c98796.2.
> Via: SIP/2.0/UDP 213.5.17.223:5058;rport=5058;branch=z9hG4bKd1e7e81f7.
> Call-ID: 91a3a06767e6d11c4a62a583078d95fb at 213.5.17.223.
> From: demo1 <sip:demo1 at sip.altecnet.gr:5060>;tag=299ad500d129e32.
> To: 2116873831 <sip:2116873831 at sip.altecnet.gr:5060>;tag=4C655430-F57.
> CSeq: 424044974 ACK.
> Proxy-Authorization:Digest
> response="87bc0f48f292fa5213368434f8712c39",username="demo1",realm="alte
> cnet.gr",nonce="4625f7cabd05f0720edd9ab601211b1759066235",uri="sip:21168
> 73831 at sip.altecnet.gr:5060".
> User-Agent: Brcm-Callctrl/v1.7.1.1 MxSF/v3.6.2.5.
> P-hint: rr-enforced.
> .
> 
> Disclaimer
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