QSIG

Vangie Beal
Last Updated May 24, 2021 7:53 am
Short for [Q (point of the ISDN model) Signaling].
QSIG is a common channel signaling protocol based on ISDN Q.931 standards and used by many digital PBXs. QSIG is used for the establishment and release of calls and for the control of a large number of features.