Thanks Klaus, I just was wondering if there was something I could configure in my proxy.
Ricardo -----Mensaje original----- De: sr-users-boun...@lists.sip-router.org [mailto:sr-users-boun...@lists.sip-router.org] En nombre de Klaus Darilion Enviado el: miércoles, 16 de marzo de 2011 10:41 Para: sr-users@lists.sip-router.org Asunto: Re: [SR-Users] ACK not sent and rr-enforced This trace is more or less useless - at least I won't waste time reading hex-code traces. next time use proper formating: ngrep -Wbyline -t -q -P "" port 5060 Anyway, it seems that iptel's NAT traversal policy always assumes, that the user agent is directly connected to iptel, without any proxy in-between. regards klaus On 10.03.2011 13:49, Dominguez Jover, Ricardo wrote: > Hello Daniel, here it is. > > Thanks > > Ricardo > > De: Daniel-Constantin Mierla [mailto:mico...@gmail.com] Enviado el: jueves, > 10 de marzo de 2011 12:49 > Para: Dominguez Jover, Ricardo > CC: sr-users@lists.sip-router.org > Asunto: Re: [SR-Users] ACK not sent and rr-enforced > > Hello, > > can you post the ngrep trace of such call (fron incoming invite, to the bye, > taken on your server)? That will help to see what could be mismatching there. > > Cheers, > Daniel > On Thu, Mar 10, 2011 at 11:06 AM, Dominguez Jover, Ricardo<djo...@umh.es> > wrote: > Hi again, > > I'm still working in this issue. I've noticed that iptel proxy is writing in > the ACK message the following: > > ACK sip:username@myproxyIP:5060;..... -> ACK is not sent to the client. > tcheck_trans fails. If a force the transfer -> t_relay do nothing > > while sip2sip and VoIP-Talk are writing: > > ACK sip:username@userprivateIP:5060;.... -> ACK is sent to the client > > In both cases, contact URI sent in the 200 OK message by my proxy is the > private IP address of the client sending the 200 OK, so I don't know why > IPtel doesn't use it in the ACK. I find a lot of information about lost ACKs > in posts, but not this particular issue. > > Could anyone give me some related information that can help me to solve this > issue? > > Best regards, > > Ricardo Dominguez > > > > > De: sr-users-boun...@lists.sip-router.org > [mailto:sr-users-boun...@lists.sip-router.org] En nombre de Dominguez Jover, > Ricardo Enviado el: lunes, 07 de marzo de 2011 20:03 > Para: sr-users@lists.sip-router.org > Asunto: [SR-Users] ACK not sent and rr-enforced > > Hi everybody. > > I am using Kamailio 3.1 and RTP proxy for internet calls. I'm using external > test accounts to check if the calls are established and the media flow is ok. > > When I use a sip2sip.info or VoIP Talk accounts, then all is working fine > between my internal and these external accounts. > > But when I use a iptel.org account and this account calls to an internal > account (registered with kamailio), then callee sends the 200 OK to the SIP > proxy and the SIP proxy to iptel. IPtel.org proxy sends the ACK to my proxy > with this lines at the end of the packet: > > P-hint: rr-enforced\r\n > P-hint: rr-enforced\r\n > > And my SIP proxy never resends the ACK to the callee, so the callee resends > OK 200 periodically and after 32 seconds sends a BYE message and the call is > finished. > > I've been reading posts about missing ACKs but I can't find the answer to my > problem, that it seems like "t_check_trans" doesn´t recognize the ACK as > related to a transaction. But this is only with IPTEL accounts, my proxy SIP > is working with other SIP providers, so I don't know if forcing relay of > every ACK packet is a good idea. > > Any help would be appreciated. > > Thanks, > > Ricardo > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users@lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users > > > > -- > Daniel-Constantin Mierla > http://www.asipto.com > > > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users@lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users@lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users@lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
