[incoming]
exten => 8301048,1,Answer
exten => 8301048,2,Goto(outgoing|s,1)

[outgoing]
exten => s,1,Wait(2)
exten => s,n,Background(extensions)
exten => s,n,Set(TIMEOUT(digit)=20)
exten => s,n,ResponseTimeout(20)
exten => _1NXXNXXXXXX,1,Dial(SIP/melpi/${EXTEN:1},120,tr)

    -- Executing Answer("SIP/92218301048-b70f", "") in new stack
    -- Executing Goto("SIP/92218301048-b70f", "outgoing|s|1") in new stack
    -- Goto (superphonepk-out,s,1)
    -- Executing Wait("SIP/92218301048-b70f", "2") in new stack
    -- Executing BackGround("SIP/92218301048-b70f", "to-extension") in new stack
    -- Playing 'to-extension' (language 'en')
    -- Executing DigitTimeout("SIP/92218301048-b70f", "20") in new stack
    -- Set Digit Timeout to 20
    -- Executing ResponseTimeout("SIP/92218301048-b70f", "20") in new stack
    -- Set Response Timeout to 20
  == Auto fallthrough, channel 'SIP/92218301048-b70f' status is 'UNKNOWN'
    -- Executing Hangup("SIP/92218301048-b70f", "") in new stack
  == Spawn extension (outgoing, h, 1) exited non-zero on 'SIP/92218301048-b70f'