[Freeswitch-users] Repeated extensions

[Dmitriy Shumaev]

 Hello world)

I have session recording extension:
 <!-- eavesdrop -->
 <extension name="record_3..16_digits" continue="true">
   <condition field="is_already_recording" expression!="^true$"/>
   <condition field="destination_number" expression="^(\d{3,16})$">
 <action application="set" data="RECORD_TITLE=Recording ${caller_id_name} ${caller_id_number} to ${destination_number} at ${strftime(%Y-%m-%d %H:%M)}"/>
 <action application="set" data="RECORD_COPYRIGHT=(c) 2013"/>
 <action application="set" data="RECORD_SOFTWARE=FreeSwitch"/>
 <action application="set" data="RECORD_ARTIST=FreeSwitch"/>
 <action application="set" data="RECORD_COMMENT=FreeSwitch"/>
 <action application="set" data="RECORD_DATE=${strftime(%Y-%m-%d %H:%M)}"/>
 <action application="set" data="RECORD_STEREO=true"/>
 <action application="set" data="recording_follow_transfer=true"/>-
 <action application="export" data="ignore_early_media=true"/>
 <action application="export" data="execute_on_answer=record_session $${base_dir}/recordings/archive/${strftime(%Y-%m-%d-%H-%M-%S)}_${caller_id_name}_${caller_id_number}_2_${destination_number}.wav"/>  <!-- ///execute_on_media -->
 <!-- Against repeated execution of condition -->
 <action application="set" data="is_already_recording=true"/>
 <action application="export" data="is_already_recording=true"/>
   </condition>
 </extension>
in the very beginnin of my dialplan. But there are some (IVRs with transfer) and (Group number with loopback) in my dialplan. So recording extension is hited multiple times and as a result I have several files with the "same" recorded session (IVR, Group number, Answered subscriber).

What should I do to prohibit repeated hits of "record_3..16_digits" extension?
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