DIN EN 302407:2004-03
Digital cellular telecommunications system (Phase 2+) - GSM Cordless Telephony System (CTS), Phase 1 - CTS supervising system layer 3 specification (GSM 04.57 version 8.0.1 Release 1999) (Endorsement of the English version EN 302407 V8.0.1 (2000-08) as...