[Freeswitch-users] Early Media AMD

Stanislav Sinyagin ssinyagin at gmail.com
Tue Sep 16 14:24:23 MSD 2014

if you use a simple bridge command with ignore_early_media=true, I think
the caller will still hear the FreeSWITCH'es ringback instead of the GSM
unavailability message. So, in this case, the caller would simply hang up
after waiting for too long.

You can also configure a group call with answer confirmation: the called
party would have to press a digit before the call is connected with the

Also you can do some scripting and process the outbound call before you
bridge it with the inbound call. Here I have an example in Perl:

Also currently I'm learning how to do that with ESL and Golang.

On Tue, Sep 16, 2014 at 10:54 AM, Delifisek Tux <delifisek.tux at gmail.com>

> Hello Everyone.
> Is there any way to detect early media Automatic Message Detection before
> the answer in freeswitch.
> We had small asterisk setup for outgoing messages, GSM voice mails box are
> troubles us.
> Providers sends voice messages as early media. So we need to detect them
> before the answer and hangup the line.
> Before dig deep, we asking for is this possible with freeswitch ?
> Our Best Regards.
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