Cortelco 8012 用户手册

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During a conversation, pressing 

or 

 will adjust the handset receiver or

speakerphone volume level.  Volume can be adjusted in 5 steps.

If a voice message is received, the display will show the 

icon and  “MSG WTG

To deactivate the 

icon, press the 

key  in  standby mode, then press and

hold the 4 key. Finally, press 

to return to standby mode.

Perform the following steps to change the ringer tone or volume.  These settings can
apply to either external calls (from the telephone company) or internal calls (from
other handsets registered to the same base).

1.

Press the Menu soft key.

2.

Press 

 or 

 to choose HS Settings.