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 ETS 300 547
European digital cellular telecommunications system (Phase 2); Advice of Charge (AoC) supplementary
$11.00 $21.51
ETSI ETS 300 548
European digital cellular telecommunications system (Phase 2); Call Barring (CB) supplementary servi
$17.00 $33.00
ETSI ETS 300 549
Digital cellular telecommunications system (Phase 2) (GSM); Unstructured Supplementary Service Data
$19.00 $37.00
ETSI ETS 300 550
European digital cellular telecommunications system (Phase 2); Mobile Station - Base Station System
$9.00 $17.50
ETSI ETS 300 551
European digital cellular telecommunications system (Phase 2); GSM Public Land Mobile Network (PLMN)
$9.00 $17.50
ETSI ETS 300 552
European digital cellular telecommunications system (Phase 2); Mobile Station - Base Station System
$9.00 $17.50
ETSI ETS 300 553
European digital cellular telecommunications system (Phase 2); Layer 1; General requirements (GSM 04
$13.00 $25.50
ETSI ETS 300 554
European digital cellular telecommunications system (Phase 2); Data Link (DL) layer; General aspects
$13.00 $25.50
ETSI ETS 300 555
European digital cellular telecommunications system (Phase 2); Mobile Station - Base Station System
$29.00 $58.50
ETSI ETS 300 556
European digital cellular telecommunications system (Phase 2); Mobile radio interface signalling lay
$26.00 $52.50
ETSI ETS 300 557
Digital cellular telecommunications system (Phase 2) (GSM); Mobile radio interface; Layer 3 specific
$66.00 $131.00
ETSI ETS 300 558
Digital cellular telecommunications system (Phase 2) (GSM); Mobile radio interface layer 3; Suppleme
$17.00 $33.00
ETSI ETS 300 558/A1
Amendment 1 to - European digital cellular telecommunications system (Phase 2); Mobile radio interfa
$7.00 $14.00
ETSI ETS 300 559
Digital cellular telecommunications system (Phase 2) (GSM); Point-to-Point (PP) Short Message Servic
$34.00 $68.00
ETSI ETS 300 560
Digital cellular telecommunications system (Phase 2) (GSM); Short Message Service Cell Broadcast (SM
$11.00 $21.51