DIN EN 302405:2003-08

Digital cellular telecommunications system (Phase 2+) (GSM) - GSM Cordless telephony system (CTS), Phase 1 - CTS Architecture description; Stage 2 (GSM 03.56 version 7.1.1 Release 1998). (Digitales zellulares Funkkommunikationssystem (Phase 2+) (GSM) - Schnurloses GSM-Telefoniesystem (CTS), Phase 1 - CTS-Architekturbeschreibung; Stufe 2 (GSM 03.56 Version 7.1.1 Ausgabe 1998).)