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 02.30
Digital cellular telecommunications system (Phase 2+) (GSM); Man-Machine Interface (MMI) of the Mobi
$15.00 $29.50
ETSI GTS GSM 02.33
Digital cellular telecommunications system (Phase 2+) (GSM); Lawful interception; Stage 1 (GSM 02.33
$9.00 $17.50
ETSI GTS GSM 02.34
Digital cellular telecommunications system (Phase 2+) (GSM); High Speed Circuit Switched Data (HSCSD
$9.00 $17.50
ETSI GTS GSM 02.40
Digital cellular telecommunications system; Procedure for call progress indications (GSM 02.40)
$9.00 $17.50
ETSI GTS GSM 02.41
Digital cellular telecommunications system (Phase 2+) (GSM); Operator determined barring (GSM 02.41
$9.00 $17.50
ETSI GTS GSM 02.42
Digital cellular telecommunications system (Phase 2+) (GSM); Network Identity and Timezone (NITZ); S
$7.00 $14.00
ETSI GTS GSM 02.63
Digital cellular telecommunications system (Phase 2+) (GSM); Packet Data on Signalling channels serv
$9.00 $17.50
ETSI GTS GSM 02.67
Digital cellular telecommunications system (Phase 2+) (GSM); enhanced Multi-Level Precedence and Pre
$9.00 $17.50
ETSI GTS GSM 02.68
Digital cellular telecommunications system (Phase 2+) (GSM); Voice Group Call Service (VGCS); Stage
$11.00 $21.51
ETSI GTS GSM 02.69
Digital cellular telecommunications system (Phase 2+) (GSM); Voice Broadcast Service (VBS); Stage 1
$11.00 $21.51
ETSI GTS GSM 02.72
Digital cellular telecommunications system (Phase 2+) (GSM); Call Deflection; Service description, S
$9.00 $17.50
ETSI GTS GSM 02.78
Digital cellular telecommunications system (Phase 2+) (GSM); Customised Applications for Mobile netw
$15.00 $29.50
ETSI GTS GSM 02.79
Digital cellular telecommunications system (Phase 2+) (GSM); Support of Optimal Routeing (SOR); Serv
$11.00 $21.51
ETSI GTS GSM 02.81
Digital cellular telecommunications system (Phase 2+) (GSM); Line identification supplementary servi
$11.00 $21.51
ETSI GTS GSM 02.82
Digital cellular telecommunications system (Phase 2+) (GSM); Call Forwarding (CF) supplementary serv
$19.00 $37.00