Buch1 > Short Reference > Reservation of Exchange Line on Busy
Reservation of Exchange Line on Busy
Initiating the Reservation of an Exchange Line on Busy (on an Internal Phone)
R * 37 #
R
Flash key or Query key
Additional information
You will hear a confirmation tone.
Hang up the receiver.
As soon as a line is available, you will be called back by the PBX.
Pick up the receiver. You will hear the external dial tone.
Dial an external number without an exchange line access number.