SS7 protocol structure

SS7 / C7 Protocols: Signaling System # 7 for Telephony

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SS7 / C7 Protocols: Signaling System # 7 for Telephony  Protocol Description Signaling System #7 (SS7) is a telecommunications protocol suite defined by the ITU-T which is used by the telephone companies for interoffice signaling. SS7 uses out of band or common-channel signaling (CCS) techniques, which uses a separated packet-switched network for the signaling purpose. […]

SS7 Basic Signaling Architecture Sample Network

Signaling System 7 (SS7)

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Signaling System 7 (SS7) What Is Signaling? Signaling refers to the exchange of information between call components required to provide and maintain service. As users of the PSTN, we exchange signaling with network elements all the time. Examples of signaling between a telephone user and the telephone network include: dialing digits, providing dial tone, accessing a […]

basic architecture of PLMN

GSM Subsystems – Overview

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An Overview on the GSM Subsystems A GSM network comprises several elements: the mobile station (MS), the subscriber identity module (SIM), the base transceiver station (BTS), the base station controller (BSC), the transcoding rate and adaptation unit (TRAU), the mobile services switching center (MSC), the home location register (HLR), the visitor location register (VLR), and […]