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

[Grant Bagdasarian]

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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