On Thu, Sep 17, 2009 at 3:57 PM, Artem Shiyanov <shiyanov@gmail.com> wrote:

Anthony,

thank you much, "three_way" is a powerful app!

I've added small description in wiki, if you don't mind.
   http://wiki.freeswitch.org/wiki/Misc._Dialplan_Tools_three_way

Meanwhile, another question has been evolved:
In words of the scenario below, now if A hangs up the call then all other (B, C) channels also being hanged up automatically by FreeSwitch. Is there any way to save the call B <--> C if A has hanged up the phone? Again, the whole scenario is the same as it is described in my first message.

Artem

On Tue, Sep 15, 2009 at 7:08 PM, Anthony Minessale <anthony.minessale@gmail.com> wrote:

yes call the app as "three_way" like i said in the other thread.

On Tue, Sep 15, 2009 at 9:22 AM, Artem Shiyanov <shiyanov@gmail.com> wrote:

Hello!

I'm trying to implement "barge in" functionality (see http://www.yourdictionary.com/telecom/barge-in) with "eavesdrop" but still with no success.

The situation is:
- Person A calls to the extension:
<extension name="some_ext">
<condition field="destination_number" expression="^900.$">
    <action application="answer"/>
    <action application="park"/>
</condition>
</extension>

- I bridge him with person B with help of mod_socket:
SendMsg <some_uuid>
call-command: execute
execute-app-name: bridge
execute-app-arg: <person B address in form: "user/...">

- A and B talks

- Person C decides to barge in the call A<-->B (to become a third participator in the call)
a) I send (mod_socket):
SendMsg <C_uuid>
call-command: execute
execute-app-name: eavesdrop
execute-app-arg: <A_uuid or B_uuid, result is the same>

b) Then, as the spec says (http://wiki.freeswitch.org/wiki/Misc._Dialplan_Tools_eavesdrop)
I sent DTMF "3" with
api uuid_send_dtmf <C_uuid> 3
but it doesn't work. I mean that A can hear B and vice verse, but both A and B can't hear C. C also doesn't hear neither A nor B.

If I press "3" on the C's softphone (latest X-Lite) then, really, C becomes a full-capabilities participator of the call.
Instead of "uuid_send_dtmf" I tried:
1)
sendevent DTMF
Unique-ID: <C_uuid>
DTMF-Digit: 3
DTMF-Duration: 2000

2) first make queue_dtmf for the <C_uuid>, and then eavesdrop

3)
SendMsg <C_uuid>
call-command: execute
execute-app-name: gentones
execute-app-arg: 3

4)
SendMsg <C_uuid>
call-command: execute
execute-app-name: send_dtmf
execute-app-arg: 3

And none of these methods leads to the "barged in" call.

Anyone knows how to press "3" programmatically on behalf of the given channel with mod_socket?!

Artem

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