[Freeswitch-users] mod_fifo and early media

[Sergey Safarov]

Both cases may be implemented.
Also you must know - many provider restrict time while channel state is
early media.
In my case some operator's disconnect calls after 60 of early media,  other
after 120 sec.

Are is this may take place in you case?

пт, 25 нояб. 2016, 19:53 Dominique Jeannerod <
dominique.jeannerod at interact-iv.com>:

> Hi,
>
> thanks for your answer.
> I'm not a developper, but will look at that with someone in my team.
>
> What I'm currently planning to do (if possible), and submit as a patch
> for mod_fifo :
> Add a parameter to make mod_fifo manage two modes :
> 1. Normal mode, where the A-Leg gets answered (200 OK).
> 2. "Early media" mode, where the A-Leg is pre-answered, and kept in
> early media mode, until the B-Leg answers. The A-leg is then
> (automatically) answered when the B-Leg answers.
>
> Does it make sense ?
>
>
> Dominique Jeannerod
> Interact-iv.com
> Infrastructure Manager
>
>
>
> 2016-11-22 18:52 GMT+01:00 Sergey Safarov <s.safarov at gmail.com>:
> > You can try patch mod_fifo source code and comment
> > "switch_channel_answer(channel);" strings.
> > Then you can manage signal is passed to a-leg from dialplan.
> >
> > вт, 22 нояб. 2016 г. в 13:24, Dominique Jeannerod
> > <dominique.jeannerod at interact-iv.com>:
> >>
> >> Hello,
> >>
> >> i'm working on a project where I need to manage a call waiting queue, in
> >> early media mode, to have a free waiting time, and start billing only
> after
> >> the call is really answered.
> >>
> >> The general call flow is :
> >> 1- incoming call to a service number
> >> 2- early media answer (pre-answer) to manage voice messages
> >> 3- the call is put in a waiting queue, and the caller ears a message
> >> (MOH), still in early media
> >> 4- the queue is associated to a unique destination number, and then one
> an
> >> only call at a time is picked-up from the queue and bridged to the
> >> destination.
> >> 5- When the call is established (200 OK), the incoming call is also
> >> answered (200 OK), which starts the billing.
> >>
> >>
> >> Question : this looks like a basic call queue handling, and mod_fifo
> could
> >> be a perfect fit for that ... except that mod_fifo answers the call
> with a
> >> 200 OK
> >>
> >> Is it possible to manage early media with mod_fifo ?
> >>
> >> Does someone have a best practice, experience, or advice to share on
> this
> >> matter ?
> >>
> >>
> >> Thanks with anticipation
> >>
> >> D. Jeannerod
> >>
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