22 Feb
2007
22 Feb
'07
4:36 a.m.
Hi Benko,
the UAS must put in contact of 3xx exactly the address where the call
should be re-routed. If the UAS want to re-receive the call but using
different port/proot, it must use its IP in the host part.
regards,
bogdan
Benko wrote:
Hello!
Thanks for the fast answer. No, proxydomain.org points to
2xx.xxx.xxx.x06 which is the openser-host, 6x.xxx.xxx.x93 is the user
agent. Is the reply from the UA wrong, should it contain it's own ip as
redirect-contact?
regards
Christian
On Wed, 21 Feb 2007 23:15:35 +0200
Bogdan-Andrei Iancu <bogdan(a)voice-system.ro> wrote:
Hi Benko,
not sure what is the problem? isn't the redirect contact correct??
doesn't proxydomain.org points to 6x.xxx.xxx.x93 ?
if so, isn't enough to do t_relay() after get_redirects() in failure
route?
regards,
bogdan
Benko wrote:
> Hello!
>
> I'm having a issue with a 302 moved temporarily from a UA i want to
> attach to my proxy. The UA replies to a INVITE from the proxy with
> a 302 MOVED TEMPORARILY and i'm using "get_redirects" from the
> uac_redirect-module to extract the contact. However, i don't know
> how to continue from there as the domain part in the
> redirect-contact is the hostname of the proxy but the port is 5065
> and transport=TCP (see debug for details) and if i simply relay it,
> it would be relayed back to the proxy on the wrong port 5065.
>
> I guess i could use the request branch pseudo variable($br) and
> extract the port from it(or change the domain-part to the actual
> domain/ip of the UA and relay it), still i don't really know how to
> do it.
>
> This is the sip-trace of the relevant dialog part:
>
> 2xx.xxx.xxx.x06 is the openser-host, 6x.xxx.xxx.x93 is the useragent
>
> ######################################
> ####
> T 2xx.xxx.xxx.x06:56669 -> 6x.xxx.xxx.x93:5060 [AP]
> INVITE sip:4989111111@proxydomain.org SIP/2.0.
> Record-Route:
> <sip:2xx.xxx.xxx.x06;transport=tcp;r2=on;lr;ftag=as784d1ec2>.
> Record-Route:
> <sip:2xx.xxx.xxx.x06;r2=on;lr;ftag=as784d1ec2>. Via:
> SIP/2.0/TCP 2xx.xxx.xxx.x06;branch=z9hG4bK96db.2c3c0006.0. Via:
> SIP/2.0/UDP 2xx.xxx.xxx.97:5060;branch=z9hG4bK52fef574;rport=5060.
> From: "SIPPHONE1"
> <sip:089222222@otherproxydomain.org>;tag=as784d1ec2. To:
> <sip:4989111111@proxydomain.org>.
> Contact:<sip:089222222@21x.xxx.xxx.97>.
> Call-ID:7fc122590665124f347fb2d956ba4c07@sip.at.telgo.cc.
> CSeq: 102 INVITE.
> User-Agent: MyMediaGW1. Max-Forwards: 69. Date: Wed, 21 Feb 2007
> 13:02:26 GMT. Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER,
> SUBSCRIBE, NOTIFY. Content-Type: application/sdp.
> Content-Length: 492.
> .
> v=0.
> o=root 14334 14334 IN IP4 2xx.xxx.xxx.97.
> s=session.
> c=IN IP4 2xx.xxx.xxx.97.
> t=0 0.
> m=audio 10380 RTP/AVP 0 8 18 4 3 97 111 5 10 7 110 101.
> a=rtpmap:0 PCMU/8000.
> a=rtpmap:8 PCMA/8000.
> a=rtpmap:18 G729/8000.
> a=fmtp:18 annexb=no.
> a=rtpmap:4 G723/8000.
> a=rtpmap:3 GSM/8000.
> a=rtpmap:97 iLBC/8000.
> a=rtpmap:111 G726-32/8000.
> a=rtpmap:5 DVI4/8000.
> a=rtpmap:10 L16/8000.
> a=rtpmap:7 LPC/8000.
> a=rtpmap:110 speex/8000.
> a=rtpmap:101 telephone-event/8000.
> a=fmtp:101 0-16.
> a=silenceSupp:off - - - -
> .
>
> #
> T 6x.xxx.xxx.x93:5060 -> 2xx.xxx.xxx.x06:56669 [AP]
> SIP/2.0 100 Trying.
> FROM:
> "SIPPHONE1"<sip:089222222@otherproxydomain.org>;tag=as784d1ec2. TO:
> <sip:4989111111@proxydomain.org>. CSEQ: 102 INVITE. CALL-ID:
> 7fc122590665124f347fb2d956ba4c07(a)otherproxydomain.org.
> MAX-FORWARDS: 70. VIA: SIP/2.0/TCP
> 2xx.xxx.xxx.x6;branch=z9hG4bK96db.2c3c0006.0,SIP/2.0/UDP
> 2xx.xxx.xxx.97:5060;branch=z9hG4bK52fef574;rport=5060.
> CONTENT-LENGTH: 0.
> .
>
> ##
> T 6x.xxx.xxx.x93:5060 -> 2xx.xxx.xxx.x06:56669 [AP]
> SIP/2.0 302 Moved Temporarily.
> FROM:
> "SIPPHONE1"<sip:089222222@otherproxydomain.org>;tag=as784d1ec2. TO:
> <sip:4989111111@proxydomain.org>;tag=b3addacf4f. CSEQ: 102 INVITE.
> CALL-ID: 7fc122590665124f347fb2d956ba4c07(a)otherproxydomain.org.
> MAX-FORWARDS: 70. VIA: SIP/2.0/TCP
> 2xx.xxx.xxx.x06;branch=z9hG4bK96db.2c3c0006.0,SIP/2.0/UDP
> 213.208.4.97:5060;branch=z9hG4bK52fef574;rport=5060.
> CONTENT-LENGTH: 0.
> SERVER: RTCC/2.0.6017.0.
> CONTACT: <sip:4989111111@proxydomain.org:5065;transport=TCP>.
> .
>
> ##
> T 2xx.xxx.xxx.x06:56669 -> 6x.xxx.xxx.x93:5060 [AP]
> ACK sip:4989111111@proxydomain.org SIP/2.0.
> Via: SIP/2.0/TCP 213.208.4.106;branch=z9hG4bK96db.2c3c0006.0.
> From: "SIPPHONE1"
> <sip:089222222@otherproxydomain.org>;tag=as784d1ec2. Call-ID:
> 7fc122590665124f347fb2d956ba4c07(a)otherproxydomain.org.
> TO:<sip:4989111111@proxydomain.org>;tag=b3addacf4f. CSeq: 102
> ACK. User-Agent: OpenSer (1.1.0-tls (i386/linux)).
> Content-Length: 0.
> .
>
> ######################################
>
>
> Either i'm lacking understanding of the openser functionalities and
> sip redirect in general and simply don't see how this could be
> accomplished easier or i guess i need to grab
> "sip:4989111111@proxydomain.org:5065;transport=TCP" and extract the
> right port and protocol from it to relay it correctly(don't know how
> to do that though), i'm not sure. Currently i'm using a simple
> t_relay("tcp:6x.xxx.xxx.x93:5065");
> to get it working, but i'd like to implement it in a more generic
> way.
>
> thx for all answers!
>
> best regards
> christian
>
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