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Operation on the Telephone (ISDN Convenience Features)
Overview
The following convenience features can be used if the FRITZ!Box is
connected with an ISDN line.
Instructions: Callback on No Reply
You can enable a call-back for internal and external calls in the follow
ing cases:
•
The telephone number called is busy. You will be called back
when the telephone number is free again.
•
The party called did not accept your call. You will be called back
the next time the party ends a call.
Telephone without Call Button
Telephone with Call Button
Press the following key before hanging up:
5
Wait for acknowledgment tone
Controlling FRITZ!Box with Keypad Codes
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FRITZ!Box 7590