[Freeswitch-users] Codec enforcment from dialplan?

[Michael Collins]

FYI, I wrote some nice, gentle words about codec negotiation on the wiki:

http://wiki.freeswitch.org/wiki/Codec_negotiation#Introduction

Start there - it will help you understand codec negotiation in general,
which will give you the foundation you need to do what you're trying to do.

-MC

On Fri, Jun 3, 2011 at 10:49 AM, Dmitry Saratsky <freeswitch at simpot.com>wrote:

> Hi All,
>
>
>
> I have some codec-prefs in my FS configured globally for all profiles (In
> my case: "global_codec_prefs=G729,PCMU,PCMA,GSM"/>)
>
> In addition, I need to provide for some specific incoming channels other
> codec order (PCMU,PCMA) that destined to FS itself. I can identify those
> channels by destination number of incoming call (fax service) in my
> dialplan.
>
> I can enforce needed codec from dialplan successfully for my outgoing
> channels by using (absolute_codec_string='PCMU,PCMA'), but I’m failing to do
> the same for incoming channels…
>
> So now I’m enforcing all incoming calls from my provider to different from
> global order (<param name="inbound-codec-prefs" value="PCMU,PCMA"/>),
> instead of doing this for fax calls only…
>
>
>
> Any ideas?
>
>
>
>
>
> Relevant part of profile config:
>
>
>
> <profile name="providers">
>
>   <gateways>
>
>     <X-PRE-PROCESS cmd="include" data="providers/*.xml"/>
>
>   </gateways>
>
>
>
>   <settings>
>
>     <param name="debug" value="0"/>
>
>     <param name="shutdown-on-fail" value="true"/>
>
>     <param name="auth-calls" value="false"/>
>
>     <param name="sip-trace" value="no"/>
>
>     <param name="disable-register" value="true"/>
>
>     <param name="rfc2833-pt" value="101"/>
>
>     <param name="dialplan" value="XML"/>
>
>     <param name="context" value="providers"/>
>
>     <param name="apply-inbound-acl" value="013SONUS-IPS"/>
>
>     <param name="hold-music" value="$${hold_music}"/>
>
>     <param name="stun-enabled" value="false"/>
>
>     <param name="stun-auto-disable" value="true"/>
>
>     <param name="manage-presence" value="false"/>
>
>     <param name="nonce-ttl" value="60"/>
>
>     <param name="dtmf-type" value="rfc2833"/>
>
>     <param name="dtmf-duration" value="2000"/>
>
>
>
>     <param name="rtp-timer-name" value="soft"/>
>
>     <param name="rtp-timeout-sec" value="50"/>
>
>     <param name="rtp-hold-timeout-sec" value="300"/>
>
>
>
>     <param name="sip-port" value="$${sip_port}"/>
>
>
>
>     <param name="rtp-ip" value="$${rtp_ip}"/>
>
>     <param name="sip-ip" value="$${ext_ip}"/>
>
>
>
> <!--    <param name="codec-prefs" value="$${global_codec_prefs}"/>-->
>
>     <param name="inbound-codec-prefs" value="PCMU,PCMA,G729"/>
>
>     <param name="outbound-codec-prefs" value="$${global_codec_prefs}"/>
>
>     <param name="inbound-late-negotiation" value="false"/>
>
>     <param name="inbound-codec-negotiation" value="greedy"/>
>
>     <param name="disable-transcoding" value="false"/>
>
>
>
>   </settings>
>
> </profile>
>
>
>
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