58
Press and hold PTT. Wait for the talk permit tone (if 
configured) before talking, and release the PTT when 
listening. (This is also called a direct setup.)
For a full-duplex call, press and release . You will hear 
a ringing tone. Wait for the called person to answer your 
call.
4. To end the call, press . 
If the called person or the infrastructure end the call, the Call 
Ended message is displayed. 
Other Ways of Dialing
Dialing via Contact List
You can also use the contact list to select a number you 
previously stored. Press Contcs and search the stored 
number by scrolling ( or ) or by entering the first 
character of the contact name. 
If the contact has more than one number stored, pickers 
surround the contact icon
. Use /  to select the number.
Short Number Dial
If set up by your Service Provider, Short Dial allows you to 
dial part of the full number of the person you wish to call. Your 
MTM800 Enhanced will automatically complete the number 
and send it over the air based on your own MTM800 
Enhanced's identity. For example:
1. Dial 456 (instead of 4282456, the full number).
2. To place the call, press the PTT 
or .
3. To hang up, press  .
While Transmit Inhibit is activated, an incoming Private Call is 
indicated, but you cannot answer the call. 
If no name is stored under a letter, the MTP850 automatically 
searches forward, alphabetically, until the next name is found. If 
more than one name in the list begins with the same letter, you 
can scroll to view other names or type up to 12 letters.