annexb=no B-Leg

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annexb=no B-Leg

DonovanC
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Hi,

I know this has been covered many times in the past, but I can't find a resolution in one of the threads.

I have a a freeswitch box running an older version of 1.4. Preparing to upgrade to 1.6 in the next few weeks.
I cannot for the life of me get sip_append_audio_sdp=a=fmtp:18 annexb=no to rewrite the attribute, no matter how I try.It seems to be doing it in the dialplan, but it has no effect on the SDP. I've tried it with an "answer" but it just removes the annexb line completely, which, according to the docs, is G729B. Late negotiation is enabled.


2016-03-23 10:46:23.923655 [DEBUG] mod_dptools.c:1435 sofia/internal/277XXXXXXX@X.X.X.X SET [destination_number]=[27XXXXXXXXXX]
EXECUTE sofia/internal/277XXXXXXX@X.X.X.X export(sip_append_audio_sdp=a=fmtp:18 annexb=no)
2016-03-23 10:46:23.923655 [DEBUG] switch_channel.c:1247 EXPORT (export_vars) [sip_append_audio_sdp]=[a=fmtp:18 annexb=no]
EXECUTE sofia/internal/277XXXXXXX@X.X.X.X bridge(sofia/internal/2787XXXXXXX@X.X.X.X)


v=0
o=FreeSWITCH 2306155641 2306155642 IN IP4 X.X.X.X
s=FreeSWITCH
c=IN IP4 X.X.X.X
t=0 0
m=audio 32474 RTP/AVP 18 4 8 100 118
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=yes
a=rtpmap:4 G723/8000
a=fmtp:4 annexa=yes
a=rtpmap:8 PCMA/8000
a=rtpmap:100 telephone-event/8000
a=fmtp:100 0-15
a=rtpmap:118 PCMA/8000
a=gpmd:118 vbd=yes
a=gpmd:110 vbd=yes
a=pmft: T38

+++
v=0
o=FreeSWITCH 2306123820 2306123821 IN IP4 X.X.X.X
s=FreeSWITCH
c=IN IP4 X.X.X.X
t=0 0
m=audio 31104 RTP/AVP 18 4 8 100 118
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=yes
a=rtpmap:4 G723/8000
a=fmtp:4 annexa=yes
a=rtpmap:8 PCMA/8000
a=rtpmap:100 telephone-event/8000
a=fmtp:100 0-15
a=rtpmap:118 PCMA/8000
a=gpmd:118 vbd=yes
a=gpmd:110 vbd=yes
a=pmft: T38

2016-03-23 10:46:23.923655 [DEBUG] sofia_glue.c:1232 sofia/internal/2787XXXXXXX@X.X.X.X
Local SDP:
v=0
o=FreeSWITCH 2306123820 2306123821 IN IP4 X.X.X.X
s=FreeSWITCH
c=IN IP4 X.X.X.X
t=0 0
m=audio 31104 RTP/AVP 18 4 8 100 118
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=yes
a=rtpmap:4 G723/8000
a=fmtp:4 annexa=yes
a=rtpmap:8 PCMA/8000
a=rtpmap:100 telephone-event/8000
a=fmtp:100 0-15
a=rtpmap:118 PCMA/8000
a=gpmd:118 vbd=yes
a=gpmd:110 vbd=yes
a=pmft: T38


 Hangup sofia/internal/2787XXXXXXXX@X.X.X.X [CS_CONSUME_MEDIA] [BEARERCAPABILITY_NOTIMPL]