65
Phone and PABX Call
2.  To hang up, press .
DTMF Overdial
If set up by your Service Provider, DTMF 
allows you to communicate with an 
automated answering device (for 
example, the voice mail or answering 
machine) during an on-going call.
While in an on-going call, press the 
DTMF keys (0-9, *, #). When pressed, the DTMF key will 
sound a tone and the entered digit will be displayed on the 
screen.
Recent Calls List
Select the number from the recent call list. See “Recent 
Calls” on page 130.
Calling a Number in a Message
See “Calling a Number in a Message” on page 149.
Dialing on receiving a call
See “Dialing on receiving a call” on page 61.
Answering a Phone or PABX Call
1. The MTM800 Enhanced switches to the incoming Phone/
PABX Call.
2. To answer the incoming call, press  or any other key if 
programmed (except Home/End/On-Off key).
3. To end the call, press .
If the called person or the infrastructure end the call, the Call 
Ended message is displayed.
If dialing via one-touch key is enabled, one-touch dial is 
disabled (see page 18).
For call alert, see settings in the Tones menu option 
(page 117)
.
Phone in Use
123456*#67890
Spkr
Mute