freeswitch/conf/skinny_profiles/internal.xml

<profile name="internal">
  <settings>
    <param name="domain" value="$${domain}"/>
    <param name="ip" value="$${local_ip_v4}"/>
    <param name="port" value="2000"/>
    <param name="patterns-dialplan" value="XML"/>
    <param name="patterns-context" value="skinny-patterns"/>
    <param name="dialplan" value="XML"/>
    <param name="context" value="default"/>
    <param name="keep-alive" value="60"/>
    <param name="date-format" value="D/M/Y"/>
    <param name="odbc-dsn" value=""/>
    <param name="debug" value="4"/>
    <param name="auto-restart" value="true"/>
  </settings>
  <soft-key-set-sets>
    <soft-key-set-set name="default">
      <soft-key-set name="KeySetOnHook" value="SoftkeyNewcall,SoftkeyRedial"/>
      <soft-key-set name="KeySetConnected" value="SoftkeyEndcall,SoftkeyHold,SoftkeyNewcall,SoftkeyTransfer"/>
      <soft-key-set name="KeySetOnHold" value="SoftkeyNewcall,SoftkeyResume,SoftkeyEndcall"/>
      <soft-key-set name="KeySetRingIn" value="SoftkeyAnswer,SoftkeyEndcall,SoftkeyNewcall"/>
      <soft-key-set name="KeySetOffHook" value=",SoftkeyRedial,SoftkeyEndcall"/>
      <soft-key-set name="KeySetConnectedWithTransfer" value="SoftkeyEndcall,SoftkeyHold,SoftkeyNewcall,SoftkeyTransfer"/>
      <soft-key-set name="KeySetDigitsAfterDialingFirstDigit" value="SoftkeyBackspace,,SoftkeyEndcall"/>
      <!-- <soft-key-set name="KeySetConnectedWithConference" value=""/> -->
      <soft-key-set name="KeySetRingOut" value=",,SoftkeyEndcall,SoftkeyTransfer"/>
      <soft-key-set name="KeySetOffHookWithFeatures" value=",SoftkeyRedial,SoftkeyEndcall"/>
      <soft-key-set name="KeySetInUseHint" value="SoftkeyNewcall,SoftkeyRedial"/>
    </soft-key-set-set>
  </soft-key-set-sets>
  <device-types>
    <device-type id="Cisco ATA 186">
        <param name="firmware-version" value="ATA030101SCCP04"/>
    </device-type>
  </device-types>
</profile>