Siemens 500 advance User Manual

You can activate the do not disturb function if you do not 
want the receive any calls. When do not disturb is acti-
vated, internal callers hear a busy signal and external 
callers are rerouted to a telephone assigned for this pur-
pose (contact your service personnel).

Select and confirm.

FB@

GB@

Enter the code for "on" or "off".

You can activate the ringer cutoff function if you do not 
want the receive any calls. Calls are only identified by 
one ring signal, an indication on the display, and a key 
which has been programmed to flash (such as a trunk 
key).

Select and confirm.

FBA

GBA

Enter the code for "on" or "off".

When you lift the handset, a special dial tone 
(continuous buzzing tone) reminds you that do 
not disturb is active.

Authorized internal callers can automatically 
override the do not disturb function after five sec-
onds.