[Freeswitch-users] How to dynamically set up conferences?

[Michael Jerris]

I've seen a lot of people use Approach II and it is always a huge mess, don't do it.  Approach 1 is actually very simple, but you can do it even simpler than this, you can just transfer both call legs into a conference on the fly, you don't need to hang up and call back.  If you adjust params to not get tones and such, its nearly unnoticeable it happens so quick.


> On Apr 14, 2016, at 12:28 PM, Piotr Starzyk <pstarzyk at general-devices.com> wrote:
> 
> Let’s say I have 3 SIP endpoints: Caller_A, Caller_B and Caller_C
>  
> Initially Caller_A calls Caller_B, so we end up with a SIP call between them.
>  
> But now, there will be some cases, when Caller_A will want to ‘conference in’ Caller_C into the call between Caller_A and Caller_B.
>  
> How is it normally done?  Based on my limited understanding of mod_conference, I would attempt doing it as following:
>  
> Approach I: 
> Tear down the original call between A & B, and set up a conference between A, B & C:
> 1.       Caller_A calls Caller_B
> 2.       SIP call is established between Caller_A and Caller_B.
> 3.       After a while Caller_A wants to conference in Caller_C, as following:
> a.       Caller_A hangs up the call with Caller_B
> b.      Caller_A dials into a conference room.
> c.       Caller_B dials into the same conference room.
> d.      Caller_C dials into the same conference room.
> 4.       Caller_A, Caller_B and Caller_C are now in a conference.
>  
> Approach II: 
> Use conferences for all calls from the beginning, even the 2-way calls, to make it easier to conference in additional callers:
> 1.       Caller_A dials into a conference room.
> 2.       Caller_B dials into a conference room.
> 3.       Calelr_A and Caller_B can now talk to each other.
> 4.       After a while Caller_A wants to conference in Caller_C
> a.       Caller_C dials into the same conference room.
> 5.       Caller_A, Caller_B and Caller_C are now in a conference.
>  
>  
> I’ve also read about eavesdrop tool, but I understand it only allows 3-way communication, and I need to be able to support N-way.
>  
> Thanks.
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