[Freeswitch-users] Eavesdrop when using simring

[Wellie Chao]

Thanks. Your answer helped me find execute_on_answer, which worked for me. 
Using execute_on_answer, I was able to get it to work exactly as I wanted, 
but I had to hardcode the variable per bridge target. I am wondering if 
there's a better way to handle it. Here is what I have now (which works):

<action application="bridge" 
data="[execute_on_answer='hash 
insert/${domain_name}-spymap/646xxxyyyy-1000/${uuid}']user/1001@${domain_name},[execute_on_answer='hash 
insert/${domain_name}-spymap/646xxxyyyy-1001/${uuid}']user/1002@${domain_name},[execute_on_answer='hash 
insert/${domain_name}-spymap/646xxxyyyy-1002/${uuid}']user/1003@${domain_name},[execute_on_answer='hash 
insert/${domain_name}-spymap/646xxxyyyy-1003/${uuid}']user/1004@${domain_name}"/>

What I am wondering is whether there's a way to do it like this instead:

<action application="export" data="execute_on_answer='hash 
insert/${domain_name}-spymap/646xxxyyyy-${answered_username}/${uuid}'"/>
<action application="bridge" 
data="user/1001@${domain_name},user/1002@${domain_name},user/1003@${domain_name},user/1004@${domain_name}"/>

So, the two questions are:

[1] How would I get the username of the bridge target that picks up the 
call?

[2] Is there a way to defer variable substitution/evaluation until after 
the call is answered?


Date: Wed, 20 Jan 2010 14:09:48 -0600
From: Anthony Minessale <anthony.minessale at gmail.com>
Reply-To: freeswitch-users at lists.freeswitch.org
To: freeswitch-users at lists.freeswitch.org
Subject: Re: [Freeswitch-users] Eavesdrop when using simring

maybe api_on_answer var?

On Wed, Jan 20, 2010 at 10:48 AM, Wellie Chao <wchao at yahoo.com> wrote:
      I have eavesdrop working fine on outbound calls and also inbound calls
      where there is a single DID per IP phone. When I have a DID that rings
      multiple extensions simultaneously, what is the best way to obtain
      information about which extension has picked up the call and store that
      using hash? I can set a variable before I issue the bridge action, like
      so:

      <action application="hash" data="insert/${domain_name}-spymap/646xxxyyyy-1000/${uuid}"/>
      <action application="bridge"
      data="user/1001@${domain_name},user/1002@${domain_name},user/1003@${domain_name},user/1004@${domain_name}"/>

      However, that doesn't tell me who actually picked up, so at best I can
      allow users to eavesdrop on the last incoming call to the main DID, not
      the last incoming call to a particular extension. Is there something I can
      do in the bridge that will cause it to set a variable once it knows which
      extension has picked up the call?

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Anthony Minessale II

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