[asterisk-users] Parking Lot CallerID

[Ken Williams]

Is there anyway of storing an incoming calls CallerID on a parked call
and having it restored when someone picks up the parked call?
 
I've tried storing the CID as a global variable and restoring it in my
dialplan, and while NoOp shows it working, the phone ignores it and uses
the parking lot extension for callerid instead.  I believe this is
because the phone is calling out instead of a call coming in, is there
anyway around this?
 
This is a basic idea of what I've done to try to capture the CID in
testing:
 
        exten => 200,1,SetGlobalVar(P1NAME=${CALLERID(NAME)})
        exten => 200,n,SetGlobalVar(P1NUM=${CALLERID(NUM)})
        exten => 200,n,Park()
        exten => _20x,1,Wait(1)
        exten => _20x,n,NoOp(${DIAL_OPTIONS})
        exten => _20x,n,Set(CALLERID(NAME)=${P1NAME})
        exten => _20x,n,Set(CALLERID(NUM)=${P1NUM})
        exten => _20x,n,NoOp(${CALLERID(NAME)} ${CALLERID(NUM)})
        exten => _20x,n,ParkedCall(${EXTEN})

Beings the call is originating on the phone I'm not sure there's a way
to push the CID back to it, any thoughts?
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