The instructions below are intended for users on OTHOS TELECOM phone system ONLY, and may not be applicable for devices on other platforms. For more information on using our services, please visit our website or give us a call on 021 673 6801. 

You can adjust the ringer volume of your handset according to the noise level of the surrounding environment. The ringer volume can be adjusted using the menu or the predefined shortcuts (left and right navigation keys) on the keypad when the handset is idle. The handset supports 5 different ringer volume levels. The default level is 3.

To adjust ringer volume using the predefined shortcuts:  

1. Press  or  when the handset is idle.

Press  to decrease the ringer volume, or press  to increase the ringer volume. 

2. Press the Save soft key to accept the change or the Back soft key to cancel.

To adjust the call volume:

1. While on a call, press  or press  to adjust the volume of the currently engaged audio devices (earpiece, headset or loudspeaker).