Thank you, Nikolay. I wasn't so brave to point to cisco (v 8). It worst case for me. How do you think can I avoid this bug dividing sipxecs into to hosts like this:
(cisco7912)------------(sipexecs proxy+registrar 10.0.20.2)------site-to-site-link------(sipexcs sipXbridge 10.0.20.3)-------sip-trunk-------(ITSP) Alexander 2010/9/28 Nikolay Kondratyev <[email protected]>: > Hi, Alexander, > > I think, I know, what is the cause. > In two words - it is 7912's bug. > > Here is my analysis. > Ack message must be sent to URI, specified in Contact field of 200Ok > message. > > See normal call in your cid.xml file, frames 640 (packet no.29) and 641 > (packet no 30). > Request line of frame 641 is > ACK sip:[email protected]:5090;sipXecs-CallDest=LD SIP/2.0 > Note port 5090, that is sipxbridge. > > Now lets see at frames 679 (packet no. 68), 680 (packet no. 69). > 7912 gets the following conact in the 200OK (frame 679) > Contact: <sip:[email protected]:5090> - sipxbridge. > But 7912 then sends Ack to (Request URI): > ACK sip:[email protected];user=phone SIP/2.0 > That is to sipxproxy. Sipxproxy, naturally, sends this request further, > adding a Via header. > But "further" is to sipxproxy itself. Thus the Ack is looped inside > sipxproxy until Max-Forwards header is counted down to 0. > > Rgds, > Nikolay. > > >> -----Original Message----- >> From: [email protected] >> [mailto:[email protected]] On Behalf Of >> ????????? ???????? >> Sent: Tuesday, September 28, 2010 11:57 AM >> To: sipx-users >> Subject: [sipx-users] sip trunk works but cisco 7912 can not >> call through it(sip guru welcome) >> >> sipxecs 4.2.1 + sip trunk (nat) to itsp + (Cisco 7911, 7940, Linksys >> SPA922) and everything works. Phones can call each other >> locally, inside and outside and there are two way audio. >> >> But there is bunch of Cisco 7912 (Software >> Version8.0.1(060412A) ) which cannot call out through the >> trunk. Please see cid.xml at http://golex.nsk.ru/ There are >> three call there. >> 1. Usual call from Cisco 7940 (10.0.20.253 ext 9040) 2. Bad >> call from Cisco 7912 (10.0.20.252 ext 9012) with a lot of >> strange ACK packets. >> 3. Normal call from outside to AA transfered to 9012 extension. >> >> Is it wrong configuration or bug? >> >> -- >> Alexander >> _______________________________________________ >> sipx-users mailing list >> [email protected] >> List Archive: http://list.sipfoundry.org/archive/sipx-users/ > > _______________________________________________ > sipx-users mailing list > [email protected] > List Archive: http://list.sipfoundry.org/archive/sipx-users/ > -- Александр Горбунов _______________________________________________ sipx-users mailing list [email protected] List Archive: http://list.sipfoundry.org/archive/sipx-users/
