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Appendix
120
Function codes for analogue terminals
During the call
Hold / inquiry
Reject waiting call
End active call and switch to call waiting
Hold active call, accept call waiting or switch
to held call
Start conference between held and active call
Forward call waiting (without accepting it)
Trace subscriber (MCID)
Parking a call
nn
nn = 2 digit park number
Reconnecting a parked call
nn
nn = 2 digit park number