
Layer 3 Protocol For Signalling Between Exchanges Of Private Telecommunication Networks For The Control Of Circuit Switched Calls (standard Ecma-143, June 1990)
出版:European Telecommunications Standards Institute

專家解讀視頻
Defines the Layer 3 protocol for signalling for the purpose of circuit switched call control at the Q reference point between Private Telecommunications Network Exchanges (PTNX) connected together within a Private Telecommunications Network (PTN). Defines the Layer 3 protocol for circuit switched call control.