[Freeswitch-users] how is codec selected

[Sherif Omran]

Hi Zohair,

In which file should i put this parameter  
<param name="inbound-late-negotiation" value="true"/>
How does this command work
ngrep -q -Wbyline '' port 5060 and host x.x.x.x
Should i make a call and during the call type it?

kind regards,
Sherif


--- On Thu, 12/22/11, Zohair Raza <engineerzuhairraza at gmail.com> wrote:

From: Zohair Raza <engineerzuhairraza at gmail.com>
Subject: Re: [Freeswitch-users] how is codec selected
To: "FreeSWITCH Users Help" <freeswitch-users at lists.freeswitch.org>
Date: Thursday, December 22, 2011, 9:00 AM

Hi, 
You can set codec for a phone from dialplan using absolute_codec_string parameter as stated in codec negotiation link.


Trans-coding issues in case of G729 or G723 can be handled as: http://wiki.freeswitch.org/wiki/Sofia#sip_renegotiate_codec_on_reinvite


See http://wiki.freeswitch.org/wiki/Channel_Variables#Codec_Related for codec related variables.


Also, there is a configuration in internal and external profiles to define a list of codec in each profile which can be set in global configurationhttp://wiki.freeswitch.org/wiki/Config_external.xml


<param name="codec-prefs" value="$${outbound_codec_prefs}"/>
you can see SIP dialogues on each phone IP to verify which codec are being offered 


ngrep -q -Wbyline '' port 5060 and host x.x.x.x
 
Regards,
Zohair Raza



On Thu, Dec 22, 2011 at 2:54 AM, Nandy Dagondon <gcd at i.ph> wrote:


it's found here:
http://wiki.freeswitch.org/wiki/Codec_negotiation

hope this answers your question.




On Thu, Dec 22, 2011 at 5:25 AM, Sherif Omran <sherifomran2000 at yahoo.com> wrote:



hello ,

does anybody know how to set up the codec selection negotiation list in freeswitch? How can you know which codec has been selected for such a call and which codecs are offered from telephone A and B.




I am using log 7


thank you in advance

k.regards
Sherif

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