[Freeswitch-users] set variable on first leg when bridge is answered

[Grant Bagdasarian]

Hello,

I'm first doing a originate which hits the below dialplan when answered. When it's answered I'm setting a variable named "bridged" to 0.
When the user presses the "critical_option_digit" the call is bridged to another destination.

I need to know if this bridge was answered or not.

I tried different ways of execute_on_answer but that didn't work:
<action application="set" data="execute_on_answer=set bridged=1"/>
<action application="set" data="nolocal:execute_on_answer=set bridged=1"/>
<action application="export" data="execute_on_answer=set bridged=1"/>
<action application="export" data="nolocal:execute_on_answer=set bridged=1"/>

It is important the bridged variable is set to 1 on the first leg and a header is appended to the BYE/200 OK(BYE) of the first leg containing this new value.

Any ideas how to fix this?

<?xml version="1.0" encoding="utf-8"?>
<include>
  <context name="outbound_cc">
    <extension name="start">
      <condition field="destination_number" expression="^(start)$" require-nested="false">
        <action application="answer" />

        <action application="set" data="bridge_early_media=true" />
        <action application="set" data="hangup_after_bridge=false" />

        <action application="set" data="critical_option_digit=1" />
        <action application="set" data="transfer_destination=0031123456789" />
        <action application="set" data="bridged=0" />

        <!--Ask And Collect Message-->
        <action application="play_and_get_digits" data="1 1 2 5000 # welcome.wav invalid.wav dtmfInput \d 2500"/>

        <action application="transfer" data="act_on_input XML outbound_cc" />
      </condition>
    </extension>

    <extension name="act_on_input">
      <condition field="${dtmfInput}" expression="${critical_option_digit}" break="never">
        <!--Bridge-->
        <action application="set" data="execute_on_answer=set bridged=1"/>
        <action application="bridge" data="{sip_copy_custom_headers=false}sofia/outbound/${transfer_destination}@$${outbound_load_balancer_sip_ip}:$${outbound_load_balancer_sip_port}" />

        <action application="export" data="sip_bye_h_X-CollectedData=&lt;CollectedData&gt;&lt;DTMFInput&gt;${dtmfInput}&lt;/DTMFInput&gt;&lt;BridgeSucceeded&gt;${bridged}&lt;/BridgeSucceeded&gt;&lt;/CollectedData&gt;"/>
        <action application="export" data="sip_rh_X-CollectedData=&lt;CollectedData&gt;&lt;DTMFInput&gt;${dtmfInput}&lt;/DTMFInput&gt;&lt;BridgeSucceeded&gt;${bridged}&lt;/BridgeSucceeded&gt;&lt;/CollectedData&gt;"/>

        <!--Hangup the channel-->
        <anit-action application="export" data="sip_bye_h_X-CollectedData=&lt;CollectedData&gt;&lt;DTMFInput&gt;${dtmfInput}&lt;/DTMFInput&gt;&lt;BridgeSucceeded&gt;${bridged}&lt;/BridgeSucceeded&gt;&lt;/CollectedData&gt;"/>
        <anit-action application="export" data="sip_rh_X-CollectedData=&lt;CollectedData&gt;&lt;DTMFInput&gt;${dtmfInput}&lt;/DTMFInput&gt;&lt;BridgeSucceeded&gt;${bridged}&lt;/BridgeSucceeded&gt;&lt;/CollectedData&gt;"/>
        <anti-action application="hangup"/>
      </condition>
    </extension>
  </context>
</include>
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