[Freeswitch-users] mod_fifo and early media

[Sergey Safarov]

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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