[Freeswitch-users] Hang Up Cause is Blank in Dial Plan

[Bob McCarthy]

I am trying to play messages for failures on outbound Calls.  When I try
to use ${hangup_cause} after the failed bridge command it comes back as
blank.

what am I doing wrong ???

 <extension name="Outbound_SwitchVox">
      <condition regex="any">
      <regex field="destination_number" expression="^(\d{10})$"/>
      <regex field="destination_number" expression="^2001$"/>

	<action application="set" data="call_timeout=20"/>
	<action application="set" data="hangup_after_bridge=false"/>
    	<action application="bridge"
data="sofia/external/${destination_number}@$${Switchvox}"/>
 	<action application="set" data="test=${hangup_cause}"/>
 	<action application="log" data="1 A-leg hangup cause:
${hangup_cause}"/>
        <action application="execute_extension"
data="hangup_reason-${hangup_cause} XML features"/>"/>    

      </condition>
  </extension>


2012-03-02 06:42:38.005915 [DEBUG] switch_channel.c:2850
(sofia/external/2001 at 192.168.1.195) Callstate Change RINGING -> HANGUP
2012-03-02 06:42:38.005915 [NOTICE] switch_ivr_originate.c:3183 Hangup
sofia/external/2001 at 192.168.1.195 [CS_CONSUME_MEDIA] [NO_ANSWER]
2012-03-02 06:42:38.005915 [DEBUG] switch_channel.c:2873 Send signal
sofia/external/2001 at 192.168.1.195 [KILL]
2012-03-02 06:42:38.005915 [DEBUG] switch_core_session.c:1180 Send
signal sofia/external/2001 at 192.168.1.195 [BREAK]
2012-03-02 06:42:38.005915 [INFO] mod_dptools.c:2922 Originate Failed.
Cause: NO_ANSWER
EXECUTE sofia/internal/CO999x1001.1 at 192.168.57.211 set(test=)
2012-03-02 06:42:38.005915 [DEBUG] mod_dptools.c:1281
sofia/internal/CO999x1001.1 at 192.168.57.211 SET [test]=[UNDEF]
EXECUTE sofia/internal/CO999x1001.1 at 192.168.57.211 log(1 A-leg hangup
cause: )
2012-03-02 06:42:38.005915 [ALERT] mod_dptools.c:1420 A-leg hangup
cause: 
EXECUTE sofia/internal/CO999x1001.1 at 192.168.57.211
execute_extension(hangup_reason- XML features)
2012-03-02 06:42:38.005915 [INFO] mod_dialplan_xml.c:485 Processing
Dispatch 2 <CO999x1001.1>->hangup_reason- in context features
Dialplan: sofia/internal/CO999x1001.1 at 192.168.57.211 parsing
[features->dx] continue=false

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