[Freeswitch-users] Dialplan - bridging with transfer of destination_number

[Petr Both]

Hi list,

I'm already searching in FS manual several hours but cannot find the 
solution.

My task is to receive SIP call from remote SIP device (registered to FS 
like User: 1005 at 192.168.8.6), using DIALPLAN route it back to SIP 
channel with the same (or increased) destination_number back to the 
remote SIP device. I.e. make such simple loopback in FS.

Tested DIALPLAN extension is

<extension name="Loopback">
     <condition field="destination_number" expression="^(5000)$">
     <action application="bridge" data="sofia/$${domain}/1005"/>
</extension>

The call is looped back to SIP channel but with destination_number 1005. 
Is there any way to enforce to this bridged outbound call the 
destination_number based on destination number of inbound call (which 
comes with destination number 5000) ?

Thank you in advance

Petr B.

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