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ETSI ETS 300 366
- Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Call completion supplementary services [ISO/IEC 13870 (1995) modified]
- standard by European Telecommunications Standards Institute, 11/01/1995
- Publisher: ETSI
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This enropean Telecommunication Standard (ETS) specifies the signalling protocol for the support of the Call completion supplementary services (SS-CC) at the Q reference point bet-ween Private Telecommunication Network eXchanges (PTNX) connected together within a Private Telecommunication Network (PTN). The Call completion supplementary services are Call Completion on Busy Subscriber (SS-CCBS) and Call Completion on No Reply (SS-CCNR).