bn:00118422n
Noun Named Entity
Categories: Articles with short description, Network protocols, Telephony, All Wikipedia articles written in American English, ITU-T recommendations
EN
Signalling System No. 7  CCIS7  CCS7  Common Channel Signaling System 7  Q.7xx
EN
Signalling System No. 7 is a set of telephony signaling protocols developed in 1975, which is used to set up and tear down telephone calls in most parts of the world-wide public switched telephone network. Wikipedia
Definitions
Relations
Sources
EN
Signalling System No. 7 is a set of telephony signaling protocols developed in 1975, which is used to set up and tear down telephone calls in most parts of the world-wide public switched telephone network. Wikipedia
A set of telephone signaling protocols Wikipedia Disambiguation