ETSI
Representing members from 54 countries, ETSI promotes worldwide standardization in telecommunications, broadcasting and information technology. The work of ETSI is closely aligned with the market needs of network operators, manufacturers, service providers, research institutions, and end users.
ETSI GTS GSM 04.03
Digital cellular telecommunications system (Phase 2+) (GSM); Mobile Station - Base Station System (M
$9.00 $17.50
ETSI GTS GSM 04.07
Digital cellular telecommunications system (Phase 2+) (GSM); Mobile radio interface signalling layer
$29.00 $58.50
ETSI GTS GSM 04.08
Digital cellular telecommunications system (Phase 2+) (GSM); Mobile radio interface; Layer 3 specifi
$75.00 $150.50
ETSI GTS GSM 04.11
Digital cellular telecommunications system (Phase 2+) (GSM); Point-to-Point (PP) Short Message Servi
$34.00 $68.00
ETSI GTS GSM 04.12
Digital cellular telecommunications system (Phase 2+) (GSM); Short Message Service Cell Broadcast (S
$11.00 $21.51
ETSI GTS GSM 04.13
Digital cellular telecommunications system (Phase 2+) (GSM); Performance requirements on the mobile
$9.00 $17.50
ETSI GTS GSM 04.22
Digital cellular telecommunications system (Phase 2+) (GSM); Radio Link Protocol (RLP) for data and
$29.00 $58.50
ETSI GTS GSM 04.63
Digital cellular telecommunications system (Phase 2+) (GSM); Packet Data on Signalling channels serv
$17.00 $33.00
ETSI GTS GSM 04.80
Digital cellular telecommunications system (Phase 2+) (GSM); Mobile radio interface layer 3; Supplem
$26.00 $52.50
ETSI GTS GSM 04.85
Digital cellular telecommunications system; Closed User Group (CUG) supplementary services; Stage 3
$9.00 $17.50
ETSI GTS GSM 04.91
Digital cellular telecommunications system (Phase 2+) (GSM); Explicit Call Transfer (ECT) supplement
$9.00 $17.50
ETSI GTS GSM 05.01
Digital cellular telecommunications system (Phase 2+) (GSM); Physical layer on the radio path; Gener
$13.00 $25.50
ETSI GTS GSM 05.02
Digital cellular telecommunications system (Phase 2+) (GSM); Multiplexing and multiple access on the
$19.00 $37.00
ETSI GTS GSM 05.03
Digital cellular telecommunications system (Phase 2+) (GSM); Channel coding (GSM 05.03)
$19.00 $37.00
ETSI GTS GSM 05.05
Digital cellular telecommunications system (Phase 2+) (GSM); Radio transmission and reception (GSM 0
$23.00 $45.00