E1 uses G711... I'm assuming by saying that FS is acting as the gateway you're using something like mod_freetdm?<div><br></div><div>If so FS can transcode so that it uses G729 for the SIP side of the bridge.</div><div>
<br></div><div>Look at the commercial mod_com_g729 (licenses available for $10/channel on <a href="http://www.freeswitch.org">www.freeswitch.org</a>).</div><div><a href="http://wiki.freeswitch.org/wiki/Mod_com_g729">http://wiki.freeswitch.org/wiki/Mod_com_g729</a></div>
<div><br></div><div>You just need to have that loaded instead of mod_g729, and tweak your codec preferences accordingly.</div><div><a href="http://wiki.freeswitch.org/wiki/Codec_Negotiation">http://wiki.freeswitch.org/wiki/Codec_Negotiation</a></div>
<div><br>-Steve</div><div><br></div><div><br><div class="gmail_quote">On 7 February 2013 10:37, William Alianto <span dir="ltr"><<a href="mailto:william@xofap.com" target="_blank">william@xofap.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi,<br>
<br>
I just finished a freeswitch server that act as E1 gateway for PBX<br>
system. I noticed that all the call from the gateway use PCMU codec<br>
before transcoded to G729 in my main SIP server.<br>
<br>
My current situation is as following :<br>
<br>
[PBX] --- E1 ---> [Gateway] --- SIP/PCMU ---> [SIP Server] --- G729<br>
---> [ITSP]<br>
<br>
What I intended to do is as following :<br>
<br>
[PBX] --- E1 ---> [Gateway] --- SIP/G729 ---> [SIP Server] --- G729<br>
---> [ITSP]<br>
<br>
Is there anyway to send the media from E1 gateway as G729 instead of<br>
PCMU? I need to preserve bandwidth for future expansion.<br>
<br>
Regards,<br>
<br>
William<br>
<br>
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</blockquote></div><br></div>