Hi, On Tue, Dec 2, 2014 at 9:24 AM, Recursive <[email protected]> wrote: > - Packets 14313, 14314: The provider re-invites asterisk for T.38 (confirmed > by viewing the packet's details), asterisk answers "Trying ..." to the > provider > - Packets 14315, 14321, 14322: Asterisk re-invites the local endpoint (again > confirmed by looking into the packet's details), the local endpoint answers > "OK", and asterisk ACKs the OK. > - Packets 14323, 14329: Asterisk accepts the invitation from the provider by > sending "OK" to the provider, and the provider ACKs the OK. > - Packets 14453, 14454 and 14649: The local endpoint again tries to re-invite > asterisk for T.38 (confirmed by looking into the packet's details), Asterisk > answers "Trying" and then refuses, saying "488: Not acceptable here" > - From then on, things go horribly wrong (probably, the local endpoint is > still expecting G.711 packets, but gets T.38 packets) > > I have provided all packets which are relevant. The packet numbers are not > contiguous since asterisk currently is on a test server which runs many other > services (the packets of which I have filtered out). > > I didn't want to clutter this post too much, thus I have only provided an > overview and not the details of each packet. Furthermore, please forgive me > that it's much easier for me to read Wireshark's logs than Asterisk's logs. > Of course, I will provide every log anybody trying to help out asks me for. > > But my first question is a very simple one: > > From the log above, I am quite sure that switching to T.38 is done right up > to (and including) packet 14329. I think that my local endpoint then > misbehaves by again re-inviting asterisk for T.38 (as all parties already > have agreed upon T.38). > > Thus, is my endpoint really misbehaving, and if yes, is there anything I can > do about it on Asterisk's side? Or do the SIP/T.38 state machines allow such > (seemingly superfluous) re-invite, and it's Asterisk's fault to answer with > 488?
- Could you share the details of the SDP in each INVITE and OK packet? - How are your SIP endpoints configured in asterisk sip.conf? (the SIP trunk provider and the local endpoint) - What type is the local endpoint? Cheers, Frederic -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
