2-24 Services and Feature Description
6866537D87-F Chapter 2 - MTM800 Product Information Manual September 2008
7.4.6 Dialing Numbers Received in Text Messages
A user is able to dial numbers from received text messages and if a message contains multiple
numbers, they are then user selectable.
7.5 SDS Type 4 (Non Text Message)
7.5.1 Home Mode Display
This is a Dimetra IP proprietary Feature that enables configured ‘over the air’ text to be shown by
default on a terminal’s display.
If this feature has been enabled, the terminal displays the text string to the user after the terminal
has been idle (not in a call or receiving user inputs) for a several seconds
On reception of an SDS User Defined Type 4 message with a predefined Protocol Identifier (PI) for
Home Mode Display, the terminal replaces the previous text with the new text received in the SDS
message. This text will then be used until power down or until replaced. If an ‘empty’ text is
received, the terminal will revert to its pre-programmed text.
The PI and message are programmed into the terminal’s code plug via CPS programming software.
7.5.2 ATS Entry Prompt (Predefined Templates)
This is a Dimetra IP proprietary feature that assists the terminal to send correctly formatted
messages intended for computer applications.
The terminal user is able to select a predefined entry prompt that defines a message format to
assist in the construction of the SDS message and it defines the areas that are read only and the
areas that can be edited. Included in the definition is an entry field for the ‘send to’ address.
The message is sent via the SDS-TL with the PI and a received report request.
7.5.3 Remote Listening RL
This is a Motorola proprietary feature that uses specially encoded SDS messages that request a
terminal to initiate a private call to a defined user and begin transmitting.
The terminals support this feature and will set up a private half duplex call to the defined TETRA
address and begin transmission, the terminal will transmit any audio picked up by its microphone,
the gain of which can be set higher for this operating mode.
This feature can be set up to operate in silent mode and users will not be aware of their involvement
in the call.
This is similar to Ambience Listening.
7.5.4 Busy User Pre-emption BUP
Again this is a Motorola proprietary feature and uses specially encoded SDS messages that request
a terminal, that is already involved in a private call, to clear the call so that it is ready to receive a
high priority call.
The terminals support this feature and will wait on the main control channel (MCCH) for the
message defined time period to await the call.
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