DKE Deutsche Kommission Elektrotechnik Elektronik Informationstechnik in DIN und VDE
ETS 300009-1
Integrated Services Digital Network (ISDN) - Signalling System No. 7 - Signalling Connection Control Part (SCCP) (connectionless and connection-oriented class 2) to support international interconnection - Part 1: Protocol specification (ITU-T Q.711 to Q.714 and Q.716-1993, modified)
Integrated Services Digital Network (ISDN) - Signalling System No. 7 - Signalling Connection Control Part (SCCP) (connectionless and connection-oriented class 2) to support international interconnection - Part 1: Protocol specification (ITU-T Q.711 to Q.714 and Q.716-1993, modified)