External Line Reservation - Siemens Hicom 300 Operating Instructions Manual

External Line Reservation

Should you dial "0" for a line and receive busy tone, i.e. all lines are busy, you
may reserve the first line to become free for your use.
Activate External Line Reservation
You have dialled "0" for an external line and receive a busy tone, do not replace
your handset.
- dial ∗ ∗ ∗ ∗ ∗ 22
- replace your handset or press Loudspeaker key
When an external line becomes free your extension will ring.
- lift handset or press Loudspeaker key
- internal dial tone is heard
- Dial "0" for the line and required external number.
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