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Receiving a TMO Group Call

Unless it is engaged in an active call, your MTM800 will

automatically switch to Group Mode and receive the transmission.

To answer the call, press and hold PTT.

Your MTM800 shows the Group name and the caller's private

number or alias if previously stored in your address book.

When receiving a Group call, you will hear a "New Group Call"

tone.

For incoming call alert, see settings in the Tones menu option.

Receiving a TMO Broadcast Call

The Broadcast Call (also called Site Wide Call) is a high-priority

group call from the console operator (or dispatcher) to all users. The

MTM800s are configured to monitor a Broadcast Call, but users

cannot talk back.

The Broadcast Call pre-empts an on-going Group Call that has the

same (or lower) call priority.

Calls (Direct Mode Operation)

DMO Group Calls

In DMO, the MTM800 can be used without your Service Provider's

infrastructure.

Direct Mode allows communication with other terminals also

operating in Direct Mode, which are on the same frequency and

talkgroup as your MTM800.

In DMO it is only possible to place the following call types: Group

Calls, Emergency Group Calls and Private Half-duplex Calls.

You can receive a call from the selected talkgroup and from an open

group. (An open group is a super-group of all DMO groups.)

When you start a call, the members of the selected talkgroup who

have their units turned on will receive the transmission.

In DMO the MTM800 can communicate with the trunking system

(and vice-versa) if the Gateway option is enabled in the MTM800.