Installation Instructions

The voice communication will be terminated when one of the
following situations occurs:
Ending a Call
● The preset time expires.
● The calling party ends the ongoing call.
● Signal of base station is missing.
36
All Call in System is available in the MPT system.
All Call
1981 is the All Call in System number. When you make an All
Call in System by dialing "*1981", all members in this system
will join this call.
You can make an All Call in System through one of the
following methods: making a call to the preset contact,
making a call through group call contact, and making a call
via manual dial. The operations are the same as those in
Group Call. For details, see Group Call.
All Call in System
Emergency call can be either emergency group or private call.
You may make an emergency call through any of the following
methods:
Emergency Call
● Making a Call through the TK
Press and hold the TK to initiate an emergency call.
In the MPT system, you should set the called number
using the CPS.
Procedure:
1. In the home screen, input "*9* + called number" using
the keypad.
2. Press the ,PTT,or key to make the call.
● At the Calling Party
A countdown timer is displayed to the calling party to
show the remaining time for a call. The time period is
programmed by your dealer. The group call will be
terminated automatically when the preset time expires.
● At the Called Party
The called party displays the actual communication time.
The timer starts counting once the called party joins the
group call. If the called party takes the initiative to exit
from this call and then rejoins it later through the late
entry method, the counter restarts.
MPT Trunking Functions and Operations
● Making a Call via Manual Dial