[Freeswitch-users] multiple leg and multiple rtp

Michael Jerris mike at jerris.com
Wed Jan 13 19:12:48 PST 2010


I have never seen a carrier do this and I still doubt that it would be  
at all usable.  What happens now is we essentially fork the dial,  
first with media wins.  Alternatively you can wait for first answer,  
and provide your own ringback tones.  Can you describe a bit more your  
use case as I just don't get it.  With what you describe, I imagine a  
call where one leg gets a sit tone due to problem with the number and  
it's muxed with a ringtone of the other b leg, or ring and busy at the  
same time.

Mike

On Jan 13, 2010, at 9:10 PM, David Villasmil <david.villasmil.work at gmail.com 
 > wrote:

> MIke,
>
> This is done on a daily basis by i.e. mobile companies, you dial a  
> customer number and you hear some music whilst hearing the ringing  
> at the same time.
>
> If it can not be done by muxing both rtps, can it be done the other  
> way, then?: (Another option is to fork the call with bridge, the bad  
> thing is that as soon as FS receives progress/audio from 1 leg, FS  
> discards the other one, not good for me )
>
> Thanks
>
>
> david
>
> On Wed, Jan 13, 2010 at 9:43 PM, Michael Jerris <mike at jerris.com>  
> wrote:
> Muxing 2 ringtones together would result in complete nonsense,  
> especially in the case of custom ringback.  How could this ever be  
> usable?
>
> Mike
>
> On Jan 13, 2010, at 3:20 PM, David Villasmil wrote:
>
>> Thanks for answering,
>>
>> Well, imagine I have a content provider which will deliver custom  
>> ringbacks via SIP INVITES, they point would be to receive A-leg  
>> then bridge to 2 B-legs and deliver both incoming rops to A-side.  
>> Another option is to fork the call with bridge, the bad thing is  
>> that as soon as FS receives progress/audio from 1 leg, FS discards  
>> the other one, not good for me :)
>>
>>
>> Thanks, and I hope you can enlighten me!
>>
>> David
>>
>>
>> On Wed, Jan 13, 2010 at 6:21 PM, Michael Jerris <mike at jerris.com>  
>> wrote:
>> Are you asking if you can mux all of the progress audio from  
>> multiple b-legs?  if so, no, and why would you want to?
>>
>> Mike
>>
>> On Jan 13, 2010, at 6:15 AM, David Villasmil wrote:
>>
>> > hello
>> >
>> > is it possible to bridge multiple b-legs and provide all audio
>> > (progress) until there is an answer on one channel?
>>
>>
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