[Freeswitch-users] Choice of codecs for incoming call

[Steven Ayre]

>
> How can I manage set of codec in inbound calls?


<X-PRE-PROCESS cmd="set" data="outbound_codec_prefs=PCMU,PCMA,G729,GSM"/>
<X-PRE-PROCESS cmd="set" data="inbound_codec_prefs=PCMU,PCMA,G729,GSM"/>
<param name="inbound-codec-prefs" value="$${inbound_codec_prefs}"/>
<param name="outbound-codec-prefs" value="$${outbound_codec_prefs}"/>

Your previous configuration used the global list for both parameters.

global_codec_prefs isn't actually then used, there's a codec-prefs param
for convenience only that sets both inbound and outbound at the same time
and isn't actually needed if you're setting both.

-Steve



On 1 February 2013 11:18, Александр Мустафин
<mustafin.aleksandr at gmail.com>wrote:

> Hello.
>
> My FS receive INVITE with 2 codecs in SDP: PCMA and PCMU. After hunting
> dialplan, this call forwarding to IVR, and I see next message in log:
>
> 2013-01-31 01:23:22.388780 [DEBUG] sofia_glue.c:5094 Audio Codec Compare
> [PCMU:0:8000:20:64000]/[PCMU:0:8000:20:64000]
> 2013-01-31 01:23:22.388780 [DEBUG] sofia_glue.c:3077 Set Codec
> sofia/internal/9089080908 at PSTN PCMU/8000 20 ms 160 samples 64000 bits
> 2013-01-31 01:23:22.388780 [DEBUG] switch_core_codec.c:111
> sofia/internal/9089080908 at PSTN Original read codec set to PCMU:0
>
> And FS send 200 OK to remote side with one codec in SDP: PCMU.
>
> My parameters:
>
> In internal.xml (profile)
> <param name="inbound-codec-prefs" value="$${global_codec_prefs}"/>
> <param name="outbound-codec-prefs" value="$${global_codec_prefs}"/>
>
> In vars.xml
> <X-PRE-PROCESS cmd="set"
> data="global_codec_prefs=PCMU,PCMA,G729,G722,GSM"/>
> <X-PRE-PROCESS cmd="set" data="outbound_codec_prefs=PCMU,PCMA,G729,GSM"/>
> <X-PRE-PROCESS cmd="set" data="inbound_codec_prefs=PCMU,PCMA,G729,GSM"/>
>
> This is normal behavior?How can I manage set of codec in inbound calls?
>
> Best regards, Alexander.
>
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