telephony band

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• Digital telephony — is the use of digital electronics in the provision of digital telephone services and systems. Since the 1960s a digital core network has almost entirely replaced the old analog system, and much of the access network has also been digitized.… …   Wikipedia

• Advanced Multi-Band Excitation — (AMBE) is a proprietary speech coding standard developed by Digital Voice Systems, Inc.. Features AMBE operates at bitrates of between 2000 and 9600 bit/s.The audio data is usually combined with up to 7 bit/s of forward error correction data to… …   Wikipedia

• CDMA2000 — is a hybrid 2.5G / 3G technology of mobile telecommunications standards that use CDMA, a multiple access scheme for digital radio, to send voice, data, and signalling data (such as a dialed telephone number) between mobile phones and cell sites.… …   Wikipedia

• Overture Networks — Type Privately held company Founded July 2000 Founder(s) Prayson Pate, Jeff Reedy Headquarters Research Triangle Park …   Wikipedia

• Computers and Information Systems — ▪ 2009 Introduction Smartphone: The New Computer.       The market for the smartphone in reality a handheld computer for Web browsing, e mail, music, and video that was integrated with a cellular telephone continued to grow in 2008. According to… …   Universalium

• Bluetooth — This article is about the electronic protocol. For the medieval King of Denmark, see Harald I of Denmark. Bluetooth logo Bluetooth is a proprietary open wireless technology standard for exchanging data over short distances (using short wavelength …   Wikipedia

• Hybrid fibre-coaxial — (HFC) is a telecommunications industry term for a broadband network which combines optical fiber and coaxial cable. It has been commonly employed globally by cable TV operators since the early 1990s. See diagram below for a typical architecture… …   Wikipedia

• Crystal radio — Crystal set redirects here. For the Australian rock band, see The Crystal Set. A modern reproduction of an antique crystal set. It is tuned to different stations by moving the sliding contact (right) up and down the tuning coil (red). The device… …   Wikipedia

• Liste der Telekommunikationsstandards — Liste von Standards und Richtlinien aus der Telekommunikation. Inhaltsverzeichnis 1 ETSI 1.1 Nomenklatur 1.1.1 derzeit gültige Nomenklatur 1.1.2 vorherige Nomenklatur …   Deutsch Wikipedia

• telephone — telephoner, n. /tel euh fohn /, n., v., telephoned, telephoning. n. 1. an apparatus, system, or process for transmission of sound or speech to a distant point, esp. by an electric device. v.t. 2. to speak to or summon (a person) by telephone. 3.… …   Universalium

• Signaling (telecommunications) — In telecommunication, signaling (signalling in British spelling) has the following meanings: the use of signals for controlling communications the information exchange concerning the establishment and control of a telecommunication circuit and… …   Wikipedia