Taken from https://freeswitch.org/confluence/display/FREESWITCH/mod_dptools%3A+record_session#mod_dptools:record_session-Dialplan and altered (added lines 13 - 14)

<extension name="record greeting">
  <condition field="destination_number" expression="^700$">
    <action application="set" data="RECORD_TITLE=Recording ${destination_number} ${caller_id_number} ${strftime(%Y-%m-%d %H:%M)}"/>
    <action application="set" data="RECORD_COPYRIGHT=(c) 1980 Factory Records, Inc."/>
    <action application="set" data="RECORD_SOFTWARE=FreeSWITCH"/>
    <action application="set" data="RECORD_ARTIST=Ian Curtis"/>
    <action application="set" data="RECORD_COMMENT=Love will tear us apart"/>
    <action application="set" data="RECORD_DATE=${strftime(%Y-%m-%d %H:%M)}"/>
    <action application="set" data="RECORD_STEREO=true"/>
    <action application="record_session" data="$${recordings_dir}/${strftime(%Y-%m-%d-%H-%M-%S)}_${destination_number}_${caller_id_number}.wav"/>
    <action application="answer"/>
    <action application="park"/>
  </condition>
</extension>