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MPTP | MPTP commands 10

2.2.3. Emergency cycle

The term emergency cycle refers to an automated sequence of actions taken when the end user has

pressed the emergency key. External triggers such as a verticality sensor can also start the cycle. The

action sequence consists of making emergency calls and sending emergency messages containing

position information.

Examples: (1) An elderly gentleman falls and injures himself; pressing the emergency key causes sending

an emergency report to his daughter and sets up a call. (2) A police officer is shot and down; the verticality

sensor starts the emergency cycle, which reports his position to the alarm centre and sets up a call so that

the centre can listen to the situation.

The emergency cycle functionality is started when the user of a Mobile Telematics Terminal presses the

emergency key or when an external event causes it. The terminal will then make a series of phone calls to

predefined phone numbers. It will also send emergency report MPTP messages which contain the

position of the terminal. The Control Centre receiving such a report may respond by sending an

emergency confirmation MPTP command to let the user of the terminal know that the report has been

processed. The emergency cycle can also be configured so that it does not stop until emergency

confirmation MPTP command has been received.

The MPTP commands used for the emergency cycle are described in section 4.4.

2.2.4. Status and information messages

Status and information commands are used for reporting a Mobile Telematics Terminal’s or its user’s

status information to a Control Centre.

2.2.5. Device configuring

The term Device configuring refers to changing or requesting the settings of a Mobile Telematics Terminal

by use of an MPTP command sent by a Control Centre.

Typical scenarios involving device configuring are as follows:

1. A Control Centre wants to change the settings of the Mobile Telematics Terminal.

Examples: (1) The alarm centre wants to start using the message encryption system in the

guards’ terminals (2) The emergency centre operator wants to modify the list of emergency

calls which will be made when user presses the emergency key of his terminal; rather than

have the user reprogram the terminal, the operator sends a configuration command which

does the job.

The Control Centre sends a persistent settings configuring request MPTP command

requesting the terminal to modify its settings accordingly.

2. A Control Centre wants to request the settings of the Mobile Telematics Terminal.

Examples: (1) The alarm centre wants to check what is the default location request action

used in the guards’ terminals. (2) The emergency centre operator wants check the list of

emergency calls which will be made when user presses the emergency key of his terminal.

The Control Centre sends a persistent settings request MPTP command requesting the

terminal to send its settings. The terminal then sends the persistent settings report

containing the requested settings values.

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