I got very excited when I read the title of this email - I was hoping someone had learnt to speak g729.
Ah well. PaulH Adrian Marsh wrote: > > Hi, > > I’m having problems with an asterisk server that’s not offering Codecs > for ulaw and alaw as it should. > > I’ve three servers in total: a1, a2 and “b” > > A1 and A2 have pretty much the same config files, except IP address > info changes > > Server B is configured to accept all inbound invites. > > Calls from A1 to B, all work fine, and in a sip debug session I can > see A1 is offering codecs: > > [May 6 16:43:19] WARNING[25404]: channel.c:720 ast_best_codec: Don't > know any of 0x4000 formats > > Audio is at <IP HIDDEN> port 14958 > > Adding codec 0x2000 (amr) to SDP > > *Adding codec 0x4 (ulaw) to SDP* > > *Adding codec 0x8 (alaw) to SDP* > > Adding non-codec 0x1 (telephone-event) to SDP > > But when A2 makes the same call to B, it only offers amr: > > [May 6 16:38:44] WARNING[20408]: channel.c:720 ast_best_codec: Don't > know any of 0x4000 formats > > Audio is at <IP HIDDEN> port 15554 > > Adding codec 0x2000 (amr) to SDP > > Adding non-codec 0x1 (telephone-event) to SDP > > Its not building ulaw or alaw into its list. Server B doesn’t support > AMR, so rejects the call. > > (I’ve no idea about the 0x4000 error – but I see it on both the good > and bad servers, so I don’t think its related). > > The odd thing is that the sip.conf files for A1 and A2 are exactly the > same (save IP info). > > The build of the Asterisk server is from a 1.4.15 private build to add > AMR, but, it’s the same source built on both A1 and A2. > > I’m trying to figure out why A2 isnt offering ulaw and alaw. > > The codec seems ok, and is listed in the show codecs: > > 4 (1 << 2) (0x4) audio ulaw (G.711 u-law) > > 8 (1 << 3) (0x8) audio alaw (G.711 A-law) > > 8192 (1 << 13) (0x2000) audio amr (AMR) > > But I cant see why its not transcoding across to ulaw/alaw. > > Thanks, > > Adrian > > ------------------------------------------------------------------------ > > _______________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users _______________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users