QSIG–At a Glance

QSIG Overview QSIG is originally developed by ECMA International, aiming to facilitate the interoperation among the communication platform from disparate vendors. QSIG has two layers, called BC (basic call) and GF (generic function). QSIG BC describes how to set up calls between PBXs. QSIG GF provides supplementary services such as line identification, call intrusion and …

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Frame Relay Basics

Frame Relay Benefits: Frame Relay is specifically designed for bursty LAN applications. it supports a wide range of traffic pattern and topology model, and can consolidate previously separate network into one-network solution. Frame Relay FR’s predecessor Require only one FR local physical link dedicated physical p2p link for per type of data per peer High …

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