[Freeswitch-users] detect dtmf on b leg during bridge

[Grant Bagdasarian]

Hello Chris,

Thank you for replying. I’ve used the bind_meta_app to accomplish this (2nd requirement). When pressing 9, they are bridged to a predefined destination. This works like a charm. We dropped the first requirement of also being able to press 9 during the answering stage of the call.
The only thing I’m still struggling with is the bind_meta_key variable. It defaults to *. It would be better if they could just press 9 during the call.
I guess the * is a bit safer, to avoid unintentional actions.

From: freeswitch-users-bounces at lists.freeswitch.org [mailto:freeswitch-users-bounces at lists.freeswitch.org] On Behalf Of Chris Tunbridge
Sent: Thursday, July 17, 2014 6:17 PM
To: FreeSWITCH Users Help
Subject: Re: [Freeswitch-users] detect dtmf on b leg during bridge

Grant, this should be very easy to do using group_confirm + lua, you'd answer in both cases, but then you'd immediately trigger the att_xfer feature (found in dialplan/features.xml) then the answering agent could simply enter the place to transfer to and press pound.

On Thu, Jul 17, 2014 at 4:53 AM, Grant Bagdasarian <GB at cm.nl<mailto:GB at cm.nl>> wrote:
Hello,

I’m using the group_confirm application to have the destinations accept the call before it’s being connected to the a leg. So far, this is easy to implement.
I have the following requirement, but I have no idea how to approach this in FS.

1)      When the destination answers, it has to press a 1 to accept the call or 9 to bridge to another destination. So basically, a 1 or 9 should trigger the other ringing or answered destinations to be hungup.

2)      When the call has been accepted, the b leg has the option to press 9 anytime during the conversation to bridge to another destination.

I’m having a hard time thinking of a solution to implement this using the standard dialplan XML.
Do I need to use ESL considering the complex nature of this or can it be done with existing XML tools?

Regards,

Grant

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