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Automatic call-back
If you are trying to reach an extension but it is busy, the telephone system will automatically call
you back once the selected handset has been replaced.
This function is only possible internally.
1. Pick up the handset.
2. Dial the internal number, for exam-
ple 24 .
3. Dial 91 .
4. Replace the handset.
5. Once the selected extension is free,
your extension will ring.
6. Pick up the handset.
7. Hold conversation.
You hear the telephone system’s dial tone.
The selected extension is off the hook. You
hear a busy tone.
You hear an acknowledgement tone.
The automatic call-back is programmed.
The selected extension rings.
You hear the ringing tone.
The selected person picks up.
