User guide
DT690
16.2 General Deactivation
The following features can be simultaneously cancelled:
• Callback (all Callbacks are cancelled).
• Internal and External Follow-me.
• Manual Message W aiting/Message Diversion.
16.2.1 Order
To order general deactivation, do the following:
1. Press #001# and press
.
Wait for the call timer to start in the display.
Note: North America, press #0#.
2. Press
to finish the procedure.
16.3 Night Service
When the exchange is in Night Service mode, all incoming calls to the operator
are transferred to a selected extension or group of extensions. The exchange is
equipped with the following three different Night Service modes:
Common Night
Service
All i ncoming calls to the operator are transferred to one
specific extension. Answer the c all in the normal way.
Individual Night
Service
Selected external calls to the operator are transferred
to one specific extension. Answer the call in the normal
way.
Universal Night
Service
All incoming calls to the operator are transferred to a
universal signaling device, for example the common
bell. Answer the call as described in Section 15.2 on
page 85.
16.4 Emergency Mode
In the event of an emergency, the operator can set the exchange into
Emergency mode, during which only pre-programmed extensions are permitted
to make calls. If your extension i s not assigned with this category and you try to
make a call, you will not receive a dial tone.
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1424-EN/LZT 103 088 Ue n A2 2008-11-21