ETSI
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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 ETS 300 940
Digital cellular telecommunications system (Phase 2+) (GSM); Mobile radio interface; Layer 3 specifi
$66.00 $131.00
ETSI ETS 300 941
Digital cellular telecommunications system; Mobile radio interface layer 3; Supplementary services s
$17.00 $33.00
ETSI ETS 300 942
Digital cellular telecommunications system (Phase 2+) (GSM); Point-to-Point (PP) Short Message Servi
$34.00 $68.00
ETSI ETS 300 943
Digital cellular telecommunications system (Phase 2+) (GSM); Short Message Service Cell Broadcast (S
$11.00 $21.51
ETSI ETS 300 944
Digital cellular telecommunications system (Phase 2+) (GSM); Performance requirements on the mobile
$9.00 $17.50
ETSI ETS 300 945
Digital cellular telecommunications system (Phase 2+) (GSM); Rate adaption on the Mobile Station - B
$21.00 $41.00
ETSI ETS 300 946
Digital cellular telecommunications system (Phase 2+) (GSM); Radio Link Protocol (RLP) for data and
$29.00 $58.50
ETSI ETS 300 948
Digital cellular telecommunications system (Phase 2+) (GSM); Group Call Control (GCC) protocol (GSM
$17.00 $33.00
ETSI ETS 300 949
Digital cellular telecommunications system (Phase 2+) (GSM); Broadcast Call Control (BCC) protocol (
$15.00 $29.50
ETSI ETS 300 950
Digital cellular telecommunications system (Phase 2+) (GSM); Mobile radio interface layer 3 suppleme
$23.00 $45.00
ETSI ETS 300 951
Digital cellular telecommunications system; Line identification supplementary services; Stage 3 (GSM
$11.00 $21.51
ETSI ETS 300 952
Digital cellular telecommunications system; Call Forwarding (CF) supplementary services; Stage 3 (GS
$21.00 $41.00
ETSI ETS 300 953
Digital cellular telecommunications system; Call Waiting (CW) and Call Hold (HOLD) supplementary ser
$13.00 $25.50
ETSI ETS 300 954
Digital cellular telecommunications system; Multi Party (MPTY) supplementary services; Stage 3 (GSM
$11.00 $21.51
ETSI ETS 300 955
Digital cellular telecommunications system; Advice of Charge (AoC) supplementary services; Stage 3 (
$9.00 $17.50