analog subscriber set
21Sigle de 7 caractères — Liste de sigles {{{image}}} Sigles d une seule lettre Sigles de deux lettres Sigles de trois lettres AAA à DZZ EAA à HZZ IAA à LZZ MAA à PZZ QAA à TZZ UAA à XZZ YAA à ZZZ …
22Voice over Internet Protocol — (VoIP, IPAEng|vɔɪp) is a protocol optimized for the transmission of voice through the Internet or other packet switched networks. VoIP is often used abstractly to refer to the actual transmission of voice (rather than the protocol implementing… …
23Television encryption — Television encryption, often referred to as scrambling , is encryption used to control access to pay television services, usually cable or satellite television services.HistoryPay television exists to make revenue from subscribers and sometimes… …
24Digital terrestrial television — List of digital television broadcast standards DVB standards (Europe) DVB S (satellite) DVB S2 DVB T (terrestrial) DVB T2 DVB C …
25WiMAX — Worldwide Interoperability for Microwave Access Logo trademarked by the WiMAX Forum …
26Communications in India — This article is about communications in India. For a more general coverage of media in India, see Media of India. The Republic of India possesses a diversified communications system that links all parts of the country by Internet, telephone,… …
27GSM services — are a standard collection of applications and features available to mobile phone subscribers all over the world. The GSM standards are defined by the 3GPP collaboration and implemented in hardware and software by equipment manufacturers and… …
28Must-carry — In cable television, governments apply a must carry regulation stating that locally licensed television stations must be carried on a cable provider s system. Contents 1 North America 1.1 Canada 1.2 United States 1.2.1 …
29Modem — For other uses, see Modem (disambiguation). A modem (modulator demodulator) is a device that modulates an analog carrier signal to encode digital information, and also demodulates such a carrier signal to decode the transmitted information. The… …
30Digital television — List of digital television broadcast standards DVB standards (Europe) DVB S (satellite) DVB S2 DVB T (terrestrial) DVB T2 DVB …
