<div dir="ltr">If you mute most of the callers, that would limit the audio that would need to be processed.<div>-Avi<br><br><div class="gmail_quote">On Tue, Jan 4, 2011 at 12:45 PM, Sam <span dir="ltr"><<a href="mailto:u2nsam@gmail.com">u2nsam@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">calls would not be TDM it would be ip-ip calls.<br>Ok G711 uses less CPU than other codecs,how can i utilized multiple threading/profiles or any other options to scale ? as it would be an incoming call always on FS.<br>
<br>
Regds<br><font color="#888888">Sam</font><div><div></div><div class="h5"><br><br><div class="gmail_quote">On Tue, Jan 4, 2011 at 3:53 PM, Steven Ayre <span dir="ltr"><<a href="mailto:steveayre@gmail.com" target="_blank">steveayre@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204, 204, 204);padding-left:1ex">
That will still involve transcoding. FS must combine all speaking<br>
channels into a single stream that can be sent to the conference<br>
members. That can't be done in a compressed audio format, so it must<br>
convert G711 to L16 for each speaking member, combine those pieces of<br>
audio, then convert L16 back to G711 to send to the conference<br>
members. Additionally, since the conference members are not<br>
necessarily all using the same codec that last transcoding step will<br>
occur once for each member, not just once for the conference. Your<br>
best bet is to use a codec that uses as little CPU for transcoding as<br>
possible - in software I'm not sure which is best there (G711 is<br>
simple so possibly a good choice), in hardware Sangoma D100/D500 would<br>
almost all the processing off the CPU.<br>
<br>
-Steve<br>
<div><div></div><div><br>
<br>
On 4 January 2011 10:15, Sam <<a href="mailto:u2nsam@gmail.com" target="_blank">u2nsam@gmail.com</a>> wrote:<br>
> Ok if i remove transcoding out of the picture and all conf are running on<br>
> g711, what rest would matters ?<br>
><br>
><br>
> Regds<br>
> Sam<br>
><br>
><br>
> On Tue, Jan 4, 2011 at 2:56 PM, Avi Marcus <<a href="mailto:Avi@amarcus.com" target="_blank">Avi@amarcus.com</a>> wrote:<br>
>><br>
>> It's the transcoding that will kill you. If that's truly needed, you may<br>
>> want to look into multiple machines handling transcoding and then bridging<br>
>> into the conference, or the new transcoding hardware from sangoma.<br>
>> -Avi<br>
>> On Tue, Jan 4, 2011 at 9:55 AM, Sam <<a href="mailto:u2nsam@gmail.com" target="_blank">u2nsam@gmail.com</a>> wrote:<br>
>>><br>
>>> hello,<br>
>>><br>
>>> how to increase the scalability / performance of the conference .<br>
>>><br>
>>> Are there any parameters to be observed that could do a trick ?<br>
>>><br>
>>> The scenario would be multiple conferencing bridges and multiple codecs<br>
>>> involved.<br>
>>><br>
>>> Is is possible to multiple threading of profiles for conferences so that<br>
>>> it gets the scalability ?<br>
>>><br>
>>> Regards<br>
>>> Sam<br>
>>><br>
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