## Pre Acknowledgement Message

If you would like to have a pre acknowledge message with option to reject the message you can use the following dialplan Macro as a base with the 'M' dial argument.

-     [macro-screen]
      exten=>s,1,Wait(.25)
      exten=>s,2,Read(ACCEPT,screen-callee-options,1)
      exten=>s,3,Gotoif($[${ACCEPT} = 1] ?50)
      exten=>s,4,Gotoif($[${ACCEPT} = 2] ?30)
      exten=>s,5,Gotoif($[${ACCEPT} = 3] ?40)
      exten=>s,6,Gotoif($[${ACCEPT} = 4] ?30:30)
      exten=>s,30,Set(MACRO_RESULT=CONTINUE)
      exten=>s,40,Read(TEXTEN,custom/screen-exten,)
      exten=>s,41,Gotoif($[${LEN(${TEXTEN})} = 3]?42:45)
      exten=>s,42,Set(MACRO_RESULT=GOTO:from-internal^${TEXTEN}^1)
      exten=>s,45,Gotoif($[${TEXTEN} = 0] ?46:4)
      exten=>s,46,Set(MACRO_RESULT=CONTINUE)
      exten=>s,50,Playback(after-the-tone)
      exten=>s,51,Playback(connected)
      exten=>s,52,Playback(beep)