Do Not Disturb; Preventing/Allowing Call Waiting - Siemens Hicom 150 E optiset E basic Operating Instructions Manual

Preventing/Allowing Call Waiting

4

Do Not Disturb

Preventing call waiting
Lift the handset.
9 7
Enter the code #490.
Allowing call waiting
Lift the handset.
9 0
Enter the code
Activating
Lift the handset.
If do not disturb is already activated
you hear a special dial tone.
9 7
Enter the code
Deactivating
Lift the handset.
9 7
Enter the code #97 .
14
* 490.
* 97 .