Standards
[CURRENT]
NF Z83-569
; NF ETS 300569:1998-04-01
NF Z83-569
; NF ETS 300569:1998-04-01
Digital cellular telecommunications system (Phase 2). Closed User Group (CUG) supplementary services. Stage 3. (GSM 04.85)
Title (German)
ZELLULARES DIGITALES FUNKKOMMUNIKATIONSSYSTEM (PHASE 2). ZUSATSDIENSTE FUER GESCHLOSSENE BENUTZERGRUPPEN (CUG). STUFE 3. (GSM 04.85)