Toyima,

Asterisk is a pain for making conference work because of its
dependence on the dahdi kernel driver for timing.
I like the FreeSwitch implementation. FreeSwitch has a very active irc
at irc.freenode.net.

Dave

On Thu, Jan 27, 2011 at 12:21 AM, Toyima Dias <toyim...@gmail.com> wrote:
>
> Anca,
>
> What conference system would you recommend for me? Asterisk? SEMS? may be 
> some licensed software could be ok for me...i would like to heard some 
> recommendations
>
> Regards
>
> 2011/1/26 Anca Vamanu <a...@opensips.org>
>>
>> Hi Toyima,
>>
>> On 01/25/2011 06:38 PM, Toyima Dias wrote:
>>>
>>> Thanks Anca,
>>> To make transfers possibles, i would use REFER messages, and for this i 
>>> would need to use B2BUA module of opensips, rigth?
>>
>> VoIP phones can handle REFER messages, the problem is with the gateways, and 
>> this is why sometimes it is required to handle the REFER at the server and 
>> instead of forwarding it, replace it with connecting the party in a call to 
>> the new party from the server.
>>>
>>> What about conferences? For conferences is the same procedure (REFER 
>>> messages), but always handling a media b2bua, rigth?
>>
>> For conferences it is not enough to handle the signaling, you also need a 
>> conference bridge to distribute the media to more parties.
>>
>> Regards,
>>
>> --
>> Anca Vamanu
>> www.voice-system.ro
>>
>>
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>
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