Mobile telecommunications standards

thumb|An SMS message received on a Siemens SL55 Short Message Service (SMS) is a text messaging service component of most telephone, Internet and mobile device systems. It uses standardized communication protocols that let mobile phones exchange short text messages, typically transmitted over cellular networks.

wireless communication standards

thumb|3G sign shown in notification bar on an Android powered smartphone

standard way to send messages

technical standard for accessing information over a mobile wireless network

cellphone identification code

organization

The 3rd Generation Partnership Project (3GPP) is an umbrella term for a number of standards organizations which develop protocols for mobile telecommunications. Its best known work is the development and maintenance of: GSM and related 2G, 2.5G, and 2.75G standards, including GPRS and EDGE UMTS and related 3G standards, including HSPA and HSPA+ LTE and related 4G standards, including LTE Advanced and LTE Advanced Pro 5G NR and related 5G standards, including 5G-Advanced An evolved IP Multimedia Subsystem (IMS) developed in an access independent manner

Terrestrial Trunked Radio (TETRA; formerly known as Trans-European Trunked Radio), a European standard for a trunked radio system, is a professional mobile radio and two-way transceiver specification. TETRA was specifically designed for use by government agencies, emergency services, (police forces, fire departments, ambulance) for public safety networks, rail transport staff for train radios, transport services and the military. TETRA is the European version of trunked radio, similar to Project 25.

method of sending messages to multiple mobile telephone users in a defined area at the same time

communications protocol

Digital Enhanced Cordless Telecommunications (DECT) is a cordless telephony standard maintained by ETSI. It originated in Europe, where it is the common standard, replacing earlier standards, such as CT1 and CT2. Since the DECT-2020 standard it also includes IoT communication.

gateway between mobile networks and frequently the Internet

organization

network and communication protocol

Transmission standard for voice and data in non-public radio networks

A5/1 is a stream cipher used to provide over-the-air communication privacy in the GSM cellular telephone standard. It is one of several implementations of the A5 security protocol. It was initially kept secret, but became public knowledge through leaks and reverse engineering. A number of serious weaknesses in the cipher have been identified.

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cellular standard

IMT-2000 (International Mobile Telecommunications-2000) is the global standard for third generation (3G) wireless communications as defined by the International Telecommunication Union.

hardware that is connected to the mobile phone network

telephone number portability for mobile phone users

unique identifier of a Public Land Mobile Network

300px|thumb|right|EUTRAN architecture as part of an LTE (telecommunication)|LTE and SAE network

requirements issued by the ITU Radiocommunication Sector of the International Telecommunication Union in 2008 for what is marketed as 4G mobile phone and Internet access service

standardized term used in 3G telecommunications systems

type of digital radio service

iMelody is a non-polyphonic ringtone exchange object format, used for mobile phones [Extension: .imy], defined by Ericsson and Sony Ericsson together with other manufacturers and is based on Ericsson's proprietary eMelody format. This ringtone format also supports codes that can control the vibration motor, backlight, LED lights and volume of the device. The iMelody format was made because the eMelody had some musical limitations.

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CT2 is a cordless telephony standard that was used in the early 1990s to provide short-range proto-mobile phone service in some countries in Europe and in Hong Kong. It is considered the precursor to the more successful DECT system. CT2 was also referred to by its marketing name, Telepoint.

system allowing providers of communication services to charge customers based on service usage

protocol specified by 3GPP used in UMTS and LTE

MPT 1327 is an industry standard for trunked radio communications networks.

Mobile subscription identification number

mobile telecommunications standard