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call setup message

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  • Bearer Independent Call Control — The Bearer Independent Call Control (BICC) is a signaling protocol based on N ISUP that is used to support narrowband ISDN service over a broadband backbone network without interfering with interfaces to the existing network and end to end… …   Wikipedia

  • Integrated Services Digital Network — ISDN redirects here. For other uses, see ISDN (disambiguation). Integrated Services Digital Network (ISDN) is a set of communications standards for simultaneous digital transmission of voice, video, data, and other network services over the… …   Wikipedia

  • GSM 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… …   Wikipedia

  • Signaling System 7 — Signaling System #7 (SS7) is a set of telephony signaling protocols which are used to set up most of the world s public switched telephone network telephone calls. The main purpose is to set up and tear down telephone calls. Other uses include… …   Wikipedia

  • Signalling System No. 7 — SS7 protocol suite OSI layer SS7 protocols Application INAP, MAP, IS 41... TCAP, CAP, ISUP, ... Network MTP Level 3 + SCCP Data link MTP Level 2 …   Wikipedia

  • ISDN User Part — The ISDN User Part or ISUP is part of the Signaling System #7 which is used to set up telephone calls in Public Switched Telephone Networks. It is specified by the ITU T as part of the Q.76x series, [ [http://www.itu.int/rec/T REC Q/en/ ITU T Q… …   Wikipedia

  • iOS version history — Contents 1 Overview 2 Versions 2.1 Unreleased versions …   Wikipedia

  • Control channel — In radio communication, a control channel is a central channel that controls other constituent radios by handling data streams. It is most often used in the context of a trunked radio system, where the control channel sends data which coordinates …   Wikipedia

  • Circuit switching — is a methodology of implementing a telecommunications network in which two network nodes establish a dedicated communications channel (circuit) through the network before the nodes may communicate. The circuit guarantees the full bandwidth of the …   Wikipedia

  • Network switching subsystem — (NSS) (or GSM core network) is the component of a GSM system that carries out call switching and mobility management functions for mobile phones roaming on the network of base stations. It is owned and deployed by mobile phone operators and… …   Wikipedia

  • Videophone — A videophone, also known by the trademarked name Picturephone , is a telephone which is capable of both audio and video duplex transmission. It differs from videoconferencing in that it expects to serve individuals, not groups.Early historyIn… …   Wikipedia

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