Actually rereading the trace, it looks like you have both PCMU & PCMA enabled on lines 39-40. AviMarcus, Can you confirm your codec preferences to be sure? If so, it appears to only be comparing the codec in the 2nd SDP to the codec that's been selected for the call, not to all the codecs enabled on the profile. That does sound like a bug, unless there's some parameter set that's intentionally causing that behaviour... -Steve On 3 July 2012 15:46, Steven Ayre <steveayre@gmail.com> wrote:
Looking at lines 75-78 you have PCMA enabled on FS as a codec option but not PCMU.
When it goes to change to the PCMU codec it looks through the enabled codecs but doesn't find PCMU so hangs up the call with INCOMPATIBLE_DESTINATION.
You need to add both PCMA and PCMU in your codec preferences.
-Steve
On 3 July 2012 14:38, Avi Marcus <avi@avimarcus.net> wrote:
If so.. which I think is not.. is this a bug then in FS?
http://pastebin.freeswitch.org/19423 You see from the first SDP that PCMU and PCMA were both options. Then for the next SDP FreeSWITCH was only considering PCMU which was the one that got chosen by the first SDP.
Voxbeam claims it's not their fault.. is it?
-Avi
On Tue, Jul 3, 2012 at 4:26 PM, Kristian Kielhofner <kris@kriskinc.com>wrote:
Avi,
Multiple 18x responses that change the SDP are allowed. I can't find the specific document text now but as a random guy on the internet (for whatever that's worth) I'm certain it is allowed.
A re-INVITE can't be sent from either side until the dialog has been established (200+ACK). In a case where the UAC (caller) would like to update the session before it is established method UPDATE must be used.
On Tue, Jul 3, 2012 at 1:04 AM, Avi Marcus <avi@avimarcus.net> wrote:
Are multiple 183s from the endpoint that changes the SDP allowed? I'm under the impression this is broken, similar to http://wiki.freeswitch.org/wiki/NDLB#NDLB-allow-nondup-sdp ... which is why when the codec changes, FS freaks out and cancels the call because of codec negotiation error. Does that NDLB flag allow this, too?
First has: audio 10116 RTP/AVP 0 101 13 Second has: audio 49020 RTP/AVP 8 13 101 PCAP: http://ge.tt/7MpyBwJ
Can someone point me to the specific RFC so I can tell the supplier to fix it? And just curious.. what would make this allowed? A re-INVITE..?
-Avi
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