ETS 300 939 : 20002
Current
The latest, up-to-date edition.
DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+); MOBILE RADIO INTERFACE SIGNALLING LAYER 3; GENERAL ASPECTS (GSM 04.07 VERSION 5.2.1)
Hardcopy , PDF
English
This ETS defines the architecture of layer 3 and it's sublayers on the GSM Um interface, i.e. the interface between mobile station and network. It also defines the basic message format and error handling applied by the layer 3 protocols. The corresponding protocols are defined elsewhere: - the Radio Resource (RR) management protocol is defined in TS GSM 04.08; - the Mobility Management (MM) protocol is defined in TS GSM 04.08; - the Call Control (CC) protocol is defined in TS GSM 04.08; - the Supplementary Services (SS) protocol is defined in TS GSM 04.10, TS GSM 04.8x and TS GSM 04.9x; - the Short Message Service (SMS) protocol is defined in TS GSM 04.11.
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