[Freeswitch-users] conferencing

[Sam]

Any thing on hardware & software front ?

Regds
Sam

On Tue, Jan 4, 2011 at 6:07 PM, Avi Marcus <Avi at amarcus.com> wrote:

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