Further settings in the telephone menu
Main
menu
Handset
settings
(HS SET)
76/101
Sub-
menu/
Options
Ring tone
(RINGER)
Sub-
menu/
Options
Internal
calls (INT
RING)
Exter-
nal (EXT
RING)
Ring tone
volume
(RING
VOL)
Sub-
menu/
Options
RING 1 ...
10
RING 1 ...
10
VOLUME
1–5 / OFF