AASTRA 7434ip User Guide EN - Manual (Page 90)

6/1553-DBC 434 01 Uen D 2012-02-22 90
O THER U SEFUL F EATURES
2. Dial *72* authorization code #.
Wait for a dial tone.
3. Dial the external number.
12.8.2 Calling With an Individual Authorization Code
1. Call the DISA feature at your office.
Wait for a dial tone.
2. Dial *75* authorization code *.
Wait for a dial tone.
3. Dial the external number.
Wait for a dial tone.
4. Dial your own extension number and press #.
5. Dial the external number.
12.9 Night Service
When the telephony system is in night service mode, all incoming calls
to the operator are transferred to a selected extension or group of exten-
sions. Night service mode is used outside business hours.
12.9.1 Common Night Service
Common night service means that all incoming calls are routed to one
designated extension. Calls are answered in the normal way.
12.9.2 Individual Night Service
Individual night service means that one or more external lines in the
exchange are routed to the designated extension. Calls are answered in
the normal way.
12.9.3 Flexible Night Service
Flexible night service means that the operator can reroute calls to a
certain extension during restricted hours.