On Fri, Apr 23, 2010 at 7:48 AM, Rene Pankratz <[email protected]> wrote: > Hello list members, > we are evaluating a VoIP provider that is used as SIP Trunk (www.qsc.de, the > product is named "IPFonie"). > Incoming calls are working without any problems. > > But when we are trying to place a call the INVITE sent by SipX contains the > Session-expires header with the value > "Session-Expires: 1800;refresher=uac" > > this is not accepted by the provider so that we get a 400 BAD REQUEST with > following header inside: > 'Warning: 399 SoftX3000 "SSF00158L01843 Invalid Refresher param in Session > Expires Header"' > And we do not have a chance to dial outside. > > So I already took a look at RFC 4028 ("Session Timers in the Session > Initiation Protocol") and as far as I can see the behaviour of the > softswitch is not correct as it should accept the header value with > refresher=uac. Of course I told this to our provider but this won't help to > get things work really soon. > > Iis there a way to change the behaviour of SipXbridge so that the refresher > will be the UAS?
Well, if there is enough demand, I can make the refresher choice dynamic. The other possibility is to suppress Session timer altogether and simply rely on periodic re-INVITE to check for liveness of the session. I will let the other experts on this list chime in and take their advice. Regards Ranga > > Thanks in advance > René > > > _______________________________________________ > sipx-users mailing list [email protected] > List Archive: http://list.sipfoundry.org/archive/sipx-users > Unsubscribe: http://list.sipfoundry.org/mailman/listinfo/sipx-users > sipXecs IP PBX -- http://www.sipfoundry.org/ > -- M. Ranganathan _______________________________________________ sipx-users mailing list [email protected] List Archive: http://list.sipfoundry.org/archive/sipx-users Unsubscribe: http://list.sipfoundry.org/mailman/listinfo/sipx-users sipXecs IP PBX -- http://www.sipfoundry.org/
