[Freeswitch-users] Siemenst C470IP and G.722

[Brian West]

Your phone is offering exactly ZERO audio codecs... and only DTMF.

/b

On Nov 30, 2010, at 10:56 AM, Thomas Mueller wrote:

>  hi
> 
> wanted to use G.722 with a Siemens Gigaset C470IP. It was all the time 
> using G.729 so i've removed all codecs but G.722 in codec list. which 
> lead me to INCOMPATIBLE_DESTINATION.
> 
> output of "/log 7" on fs_cli
> 
> 2010-11-30 17:41:26.216025 [DEBUG]  sofia.c:4579 Remote SDP:
> v=0
> o=1001 5012 72 IN IP4 192.168.236.161
> s=Mapping
> c=IN IP4 192.168.236.161
> t=0 0
> m=audio 5012 RTP/AVP 101
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-16
> 
> 2010-11-30 17:41:26.216025 [DEBUG] sofia_glue.c:4367 Audio Codec Compare 
> [telephone-event:101:8000:0:0]/[G729:18:8000:20:8000]
> 
> This leads me to the maybe inaccurate conclusion that Siemens Gigaset 
> sends 101 for G.722 what freeswitch translates to telephone-event 
> (according to vars.xml 101 is telephone-event).
> 
> Reading further http://wiki.freeswitch.org/wiki/RTP_payload_list G.722 
> should have id 9.
> 
> Am I right, that Siemens is wrong?
> 
> - Thomas
> 
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