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Emergency text messaging services are a technology that enables emergency call operators to receive text messages. [1] Its use is encouraged for people with hearing impairment or who have trouble speaking; it can also be used for situations when calling may pose a safety risk, such as a home invasion or domestic abuse. [ 2 ]
Early Ceefax test in 1972 Prestel page from 1981. Teletext is a means of sending text and simple geometric shapes to a properly equipped television screen by use of one of the "vertical blanking interval" lines that together form the dark band dividing pictures horizontally on the television screen.
A pager, also known as a beeper or bleeper, [1] is a wireless telecommunications device that receives and displays alphanumeric or voice messages. One-way pagers can only receive messages, while response pagers and two-way pagers can also acknowledge, reply to, and originate messages using an internal transmitter.
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112 (emergency telephone number) Operator in Kraków responding to a 112 phone call. 112 is a common emergency telephone number that can be dialed free of charge from most mobile telephones and, in some countries, fixed telephones in order to reach emergency services (ambulance, fire and rescue, police).
The specification is referred to as Evolved Multimedia Broadcast Multicast Services (eMBMS) when transmissions are delivered through an LTE (Long Term Evolution) network. eMBMS is also known as LTE Broadcast. [1] Target applications include mobile TV and radio broadcasting, live streaming video services, as well as file delivery and emergency ...
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Emergency phones are also found in elevators where entrapment is very common. These emergency phones connect to a live operator who can help people escape from the stopped elevator. Some car models have an SOS button that connects them to the car company's emergency centre or the emergency services and provide GPS location data. If the car ...