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PageNet. PageNet , also known as Paging Network, Inc., was founded in 1981 by entrepreneur George Perrin and ceased in 1999. The company grew to become the largest wireless messaging company in the world, with more than 10 million pagers in service, and $1 billion in revenues, before the paging industry's rapid decline in the late 1990s.
Pager. 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. [2]
In telecommunications, a point-to-point connection refers to a communications connection between two communication endpoints or nodes. An example is a telephone call, in which one telephone is connected with one other, and what is said by one caller can only be heard by the other. This is contrasted with a point-to-multipoint or broadcast ...
ERMES (European Radio Messaging System or Enhanced Radio Messaging System) was a pan-European radio paging system. Technical specification [ edit ] In 1990, the European Telecommunications Standard Institute ( ETSI ) developed the European Telecommunications Standard ETS 300 133 for ERMES operating in the frequency band 169.4125-169.8125 MHz.
Overview. MMSC Reference Architecture. The standard consists of a number of interfaces between components found in the mobile network: MM1: the interface between MMS User Agent and MMS Center (MMSC, the combination of the MMS Relay & Server). Delivered as HTTP over a packet switched data session. MM2: the interface between MMS Relay and MMS Server.
Packet radio. In digital radio, packet radio is the application of packet switching techniques to digital radio communications. Packet radio uses a packet switching protocol as opposed to circuit switching or message switching protocols to transmit digital data via a radio communication link .
Instant messaging is a set of communication technologies used for text-based communication between two ( private messaging) or more (chat room) participants over the Internet or other types of networks (see also LAN messenger ). [6] IM chats happen in real-time.
Advanced Message Queuing Protocol. The Advanced Message Queuing Protocol ( AMQP) is an open standard application layer protocol for message-oriented middleware. The defining features of AMQP are message orientation, queuing, routing (including point-to-point and publish-and-subscribe ), reliability and security. [1]