55
Private Call
Private Call in DMO
If configured by your Service Provider it is possible to make 
and receive a Private Call in DMO. You can make or receive a 
DMO Private Call only when your MTM800 is in DMO.  
The calling and called party shall be on the same talkgroup.
Making a DMO Private Call
1. To enter the Private Mode press   
until 
Private Mode appears on the 
display.
2. Enter a number like described in “Enter-
ing the Private Number” on page 52.
3. Press and hold PTT. Wait for the talk permit tone (if 
configured) before talking, and release the PTT when 
listening.
4. The call ends after a pre-programmed time, or if you 
press . 
Receiving a DMO Private Call
When a DMO Private Call is received, the 
call is started immediately without need to 
accept it by the called party.
1. Press PTT to talk back and start talking.
2. The call ends after a pre-programmed time, or if you 
press . 
Private Calls via DMO Repeater and/or DMO Gateway are not 
supported.
There is no presence check for Private Calls in DMO. This 
means you don’t know whether the called party is available 
when you starts the call.
If the called party presses   the DMO private call is 
suspended for a specified time and in case the calling party is 
still transmitting the call is joined again.
Private Mode
abc
2234
Status
Mode
Prvt in Use
More
David
6815321H01_KOR.book  Page 55  Thursday, November 13, 2008  8:06 AM