[SR-Users] Kamailio Bridge

Nelson Migliaro eng.migliaro at gmail.com
Wed Mar 23 10:37:18 CET 2016 

Resolved.....there was an error in my cofniguration.

Thank you

2016-03-21 15:17 GMT+01:00 Nelson Migliaro <eng.migliaro at gmail.com>:

> Hello,
>
> I am trying to set up a Kamailio in Bridge Mode with two interfaces using
> rtpproxy.
>
> The problem I have is SDP information port and IP is not updated from
> outside to inside. But on the other hand the SDP is rewrited from inside to
> outside.
>
> In the rtpproxy log I am seeing this error:
>
> Mar 21 14:21:21 kamailio rtpproxy[6119]: ERR:create_twinlistener: can't
> bind to the IPv4 port 23414: Cannot assign requested address
> Mar 21 14:21:21 kamailio rtpproxy[6119]: ERR:handle_command: can't create
> listener
>
> and in kamailio log:
>
> ERROR: rtpproxy [rtpproxy.c:2727]: force_rtp_proxy(): incorrect port 0 in
> reply from rtp proxy
>
>
> Something strange and interesting is the port that shows up in the
> RTPPROXY error (23414) does not corresponds to any ports used.
>
> Thank you
>
> Nelson.-
>
>
>
> ---------------------------------------------------------------------------------------------------------------------------------------------
> Everything is set up this way:
>
> Kamailio
>
> Asterisk (asterisk-inside-ip) <-> Kamailio (inside-kamailio-ip) / Kamailio
> (outside-kamailio-ip) <-> sip-vendor-ip
>
> listen=inside-kamailio-ip
> listen=outside-kamailio-ip
>
> mhomed=1
>
> if(src_ip=="asterisk-inside-ip"){
> rtpproxy_manage("faie");
> }
>
> if(src_ip=="sip-vendor-ip"){
> rtpproxy_manage("faie");
> }
>
> rtpproxy
>
> OPTIONS="rtpproxy -l inside-kamailio-ip/outside-kamailio-ip -m 20000 -M
> 30000 -u rtpproxy:rtpproxy -p /var/run/rtpproxy/rtpproxy.pid -s udp:
> 127.0.0.1:7722 -d DBUG:LOG_LOCAL6"
>
>
> ----------------------------------------------------------------------------------------------------------------------------------------------
>
> SIP TRACES
>
> 2016/03/21 14:46:52.121472 asterisk-inside-ip:5060 ->
> inside-kamailio-ip:5060
> INVITE sip:999999999 at inside-kamailio-ip SIP/2.0
> Via: SIP/2.0/UDP asterisk-inside-ip:5060;branch=z9hG4bK7f1ece8e;rport
> Max-Forwards: 70
> From: 111111111<sip:1000 at asterisk-inside-ip>;tag=as497457e6
> To: <sip:999999999 at inside-kamailio-ip>
> Contact: <sip:1000 at asterisk-inside-ip:5060>
> Call-ID: 57bd4ca457972f5a42502ba34bba4500 at asterisk-inside-ip:5060
> CSeq: 102 INVITE
> User-Agent: Abantix
> Date: Mon, 21 Mar 2016 13:46:52 GMT
> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO,
> PUBLISH
> Supported: replaces, timer
> Remote-Party-ID: <sip:888888888 at local-domain
> ;user=phone>;privacy=off;party=calling
> Content-Type: application/sdp
> Content-Length: 251
>
> v=0
> o=root 478097443 478097443 IN IP4 asterisk-inside-ip     ##########
> ASTERISK IP
> s=asterisk
> c=IN IP4 asterisk-inside-ip                ########## ASTERISK IP
> t=0 0
> m=audio 17146 RTP/AVP 8 101                ########## ASTERISK PORT
> a=rtpmap:8 PCMA/8000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-16
> a=silenceSupp:off - - - -
> a=ptime:20
> a=sendrecv
>
>
> --------------------------------------------------------------------------------------------------------------------------------------------------------
>
>
> 2016/03/21 14:46:52.139435 outside-kamailio-ip:5060 ->sip-vendor-ip:5060
> INVITE sip:999999999 at sip-vendor-ip SIP/2.0
> Record-Route:
> <sip:outside-kamailio-ip;r2=on;lr=on;ftag=as497457e6;vsf=AAAAAAMEAAAACXIEAW5fXkFYWUwAUkM-;vst=AAAAAAcHAw8MDgsAAHZBKUEeQF5DRUFMGEtCMDY-;nat=yes>
> Record-Route:
> <sip:inside-kamailio-ip;r2=on;lr=on;ftag=as497457e6;vsf=AAAAAAMEAAAACXIEAW5fXkFYWUwAUkM-;vst=AAAAAAcHAw8MDgsAAHZBKUEeQF5DRUFMGEtCMDY-;nat=yes>
> Via: SIP/2.0/UDP
> outside-kamailio-ip;branch=z9hG4bK0bfd.7bd4d3ae01e5850c14a3a939a612a05a.0
> Via: SIP/2.0/UDP
> asterisk-inside-ip:5060;received=asterisk-inside-ip;branch=z9hG4bK7f1ece8e;rport=5060
> Max-Forwards: 69
> From: 1111111111 <sip:1111111111 at sip-vendor-ip>;tag=as497457e6
> To: <sip:999999999 at sip.sip-vendor-ip>
> Contact: <sip:1000 at asterisk-inside-ip:5060>
> Call-ID: 57bd4ca457972f5a42502ba34bba4500 at asterisk-inside-ip:5060
> CSeq: 102 INVITE
> User-Agent: Abantix Voice Sevices
> Date: Mon, 21 Mar 2016 13:46:52 GMT
> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO,
> PUBLISH
> Supported: replaces, timer
> Remote-Party-ID: <sip:888888888 at local-domain
> ;user=phone>;privacy=off;party=calling
> Content-Type: application/sdp
> Content-Length: 271
>
> v=0
> o=root 478097443 478097443 IN IP4 outside-kamailio-ip ########## OUTSIDE
> KAMAILIO IP REWRITED BY RTPPROXY
> s=asterisk
> c=IN IP4 outside-kamailio-ip        ########## OUTSIDE KAMAILIO IP
> REWRITED BY RTPPROXY
> t=0 0
> m=audio 24122 RTP/AVP 8 101        ########## OUTSIDE KAMAILIO PORT
> REWRITED BY RTPPROXY
> a=rtpmap:8 PCMA/8000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-16
> a=silenceSupp:off - - - -
> a=ptime:20
> a=sendrecv
>
>
>
> --------------------------------------------------------------------------------------------------------------------------------------------------------
>
>
> 2016/03/21 14:46:57.393518sip-vendor-ip:5060 -> outside-kamailio-ip:5060
> SIP/2.0 180 Ringing
> Via: SIP/2.0/UDP
> outside-kamailio-ip;rport=5060;branch=z9hG4bK0bfd.7bd4d3ae01e5850c14a3a939a612a05a.1
> Via: SIP/2.0/UDP
> asterisk-inside-ip:5060;received=asterisk-inside-ip;branch=z9hG4bK7f1ece8e;rport=5060
> From: 1111111111 <sip:1111111111 at sip-vendor-ip>;tag=as497457e6
> To: <sip:999999999 at sip.sip-vendor-ip>;tag=fkii1xm4-CC-26
> Call-ID: 57bd4ca457972f5a42502ba34bba4500 at asterisk-inside-ip:5060
> CSeq: 102 INVITE
> Record-Route:
> <sip:sip-vendo-ip;lr;ftag=as497457e6;vsf=AAAAAAEECQkCAgsNAXBeLxwZHQxBH11lcw--;did=0e.126;nat=yes>
> Record-Route:
> <sip:outside-kamailio-ip;r2=on;lr=on;ftag=as497457e6;vsf=AAAAAAMEAAAACXIEAW5fXkFYWUwAUkM-;vst=AAAAAAcHAw8MDgsAAHZBKUEeQF5DRUFMGEtCMDY-;nat=yes>
> Record-Route:
> <sip:inside-kamailio-ip;r2=on;lr=on;ftag=as497457e6;vsf=AAAAAAMEAAAACXIEAW5fXkFYWUwAUkM-;vst=AAAAAAcHAw8MDgsAAHZBKUEeQF5DRUFMGEtCMDY-;nat=yes>
> Contact: <sip:999999999 at sip-vendor-carrier:5060;user=phone;transport=udp>
> Allow:
> INVITE,ACK,OPTIONS,BYE,CANCEL,REGISTER,INFO,PRACK,SUBSCRIBE,NOTIFY,UPDATE,MESSAGE,REFER
> Content-Length: 237
> Content-Type: application/sdp
>
> v=0
> o=HuaweiSoftX3000 71167517 71167517 IN IP4sip-vendor-ip ########## SIP
> VENDOR IP
> s=Sip Call
> c=IN IP4sip-vendor-ip                    ########## SIP VENDOR IP
> t=0 0
> m=audio 44862 RTP/AVP 8 101                ########## SIP VENDOR PORT
> a=rtpmap:8 PCMA/8000
> a=rtpmap:101 telephone-event/8000
> a=ptime:20
> a=fmtp:101 0-15
> a=nortpproxy:yes
>
>
>
> --------------------------------------------------------------------------------------------------------------------------------------------------------
>
> 2016/03/21 14:46:57.395029 inside-kamailio-ip:5060 ->
> asterisk-inside-ip:5060
> SIP/2.0 180 Ringing
> Via: SIP/2.0/UDP
> asterisk-inside-ip:5060;received=asterisk-inside-ip;branch=z9hG4bK7f1ece8e;rport=5060
> From: "1000" <sip:1000 at asterisk-inside-ip>;tag=as497457e6
> To: <sip:999999999 at inside-kamailio-ip>;tag=fkii1xm4-CC-26
> Call-ID: 57bd4ca457972f5a42502ba34bba4500 at asterisk-inside-ip:5060
> CSeq: 102 INVITE
> Record-Route:
> <sip:sip-vendo-ip;lr;ftag=as497457e6;vsf=AAAAAAEECQkCAgsNAXBeLxwZHQxBH11lcw--;did=0e.126;nat=yes>
> Record-Route:
> <sip:outside-kamailio-ip;r2=on;lr=on;ftag=as497457e6;vsf=AAAAAAMEAAAACXIEAW5fXkFYWUwAUkM-;vst=AAAAAAcHAw8MDgsAAHZBKUEeQF5DRUFMGEtCMDY-;nat=yes>
> Record-Route:
> <sip:inside-kamailio-ip;r2=on;lr=on;ftag=as497457e6;vsf=AAAAAAMEAAAACXIEAW5fXkFYWUwAUkM-;vst=AAAAAAcHAw8MDgsAAHZBKUEeQF5DRUFMGEtCMDY-;nat=yes>
> Contact: <sip:999999999 at sip-vendor-carrier:5060;user=phone;transport=udp>
> Allow:
> INVITE,ACK,OPTIONS,BYE,CANCEL,REGISTER,INFO,PRACK,SUBSCRIBE,NOTIFY,UPDATE,MESSAGE,REFER
> Content-Length: 237
> Content-Type: application/sdp
>
> v=0
> o=HuaweiSoftX3000 71167517 71167517 IN IP4sip-vendor-ip    ########## SIP
> VENDOR IP NOT REWRITED BY RTPPROXY
> s=Sip Call
> c=IN IP4sip-vendor-ip                    ########## SIP VENDOR IP NOT
> REWRITED BY RTPPROXY
> t=0 0
> m=audio 44862 RTP/AVP 8 101                ########## SIP VENDOR PORT NOT
> REWRITED BY RTPPROXY
> a=rtpmap:8 PCMA/8000
> a=rtpmap:101 telephone-event/8000
> a=ptime:20
> a=fmtp:101 0-15
> a=nortpproxy:yes
>
>
>
>
>
>
>
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