Operation
21
Example: Telephone 21 wants to talk with telephone 22. Telephone 22 is busy.
Telephone 21 activates call completion on busy subscriber.
Telephone 21: Pick up handset.
You will hear the internal calling signal.
Dial internal telephone number.
Telephone 22 is busy. You hear the busy
signal.
Activate call completion on busy
subscriber.
You hear the acknowledge signal.
Telephone 21: Hang up.
Wait for call back
Telephone22: Hang up.
End of call.
Telephone 21: Pick up handset.
Telephone 21 receives a call back from
telephone 22.
Cal to telephone 22 automatically being
placed
Telephone 22 rings. You hear the calling
signal.
Telephone 22: Pick up handset.
You are connected with the internal
subscriber. Have your call.
Hang up.
End of call.
Signal call waiting
During a telephone call incoming external calls or the ringing of the door bell (with
door module TSM1) can be signalled by sending a call waiting tone.
Call waiting signal during an internal call
The call waiting signal has the same tone sequence as the external call or door
bell ringing.
Call waiting signal during an external call
The call waiting signal is a single tone which only occurs once per waiting call with
a duration of approximately 1 second.
The call waiting signal function can be activated/deactivated individually for every
subscriber.
