The phone's audible ringer can be switched off. Unlike disabling the ringer, this only affects the ring and does not affect the visual alerting.

1.Press the key menu MENU button.
1.Use the up arrow up and down down arrow arrow keys to highlight Call Settings. Press Select.
2.Use the up arrow up and down down arrow arrow keys to highlight Audible Alerting. Press Select.
3.Use the left arrow left and right right arrow arrow keys to change the setting.
4.When completed, press the Save soft key.
5.Press the Exit soft key to exit the menus.