User talk:06746367d

ISE449 Miniproject our topic is "mobile emergency alert system" in HK.

this study is based on an existing Personal Emergency (PE) link service.

the PE link service is limited in a small fixed area and it isn't suitable for the all needy. eg. it isn't suitable for the mental handicap who may not have the capability to use the service. this service is suitable to persons who cognition is above a certain extend.

continue study
The PE Link Service is mainly for the elderly.

It's a profitable organization.

It's service is based on the fixed telephone network. Once the buttons on the portable or fixed devices are pressed, a "call" will be made to contact the service center.

Other information
The similar example in US: Emergency Alert System