Sony SPP-A945 - Manual (Page 20)

20 EN Telephone Features
Checking the ringer type
1
Press (PGM).
2
Press (#).
3
Press (0).
The currently selected ringer sounds.
4
Press (OFF).
Note
If you hear no sound (only key beep), the ringer on the handset has been turned off.
Adjusting the ringer volume level of
the base phone
Set the RINGER LEVEL switch on the base
phone to HIGH or LOW. To turn the ringer
off, set it to OFF.
RINGER
LEVEL
switch
Setting the ringer type (continued)