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 300 533
European digital cellular telecommunications system (Phase 2); Technical realization of operator det
$11.00 $21.51
ETSI ETS 300 534
Digital cellular telecommunications system (Phase 2) (GSM); Security related network functions (GSM
$26.00 $52.50
ETSI ETS 300 535
Digital cellular telecommunications system (Phase 2) (GSM); Functions related to Mobile Station (MS)
$17.00 $33.00
ETSI ETS 300 536
Digital cellular telecommunications system (Phase 2) (GSM); Technical realization of Short Message S
$37.00 $74.00
ETSI ETS 300 536/A1
Amendment 1 to - European digital cellular telecommunications system (Phase 2); Technical realizatio
$7.00 $14.00
ETSI ETS 300 537
Digital cellular telecommunications system (Phase 2) (GSM); Technical realization of Short Message S
$13.00 $25.50
ETSI ETS 300 538
European digital cellular telecommunications system (Phase 2); Technical realization of facsimile gr
$21.00 $41.00
ETSI ETS 300 539
European digital cellular telecommunications system (Phase 2); Technical realization of facsimile gr
$26.00 $52.50
ETSI ETS 300 540
Digital cellular telecommunications system (Phase 2) (GSM); Transmission planning aspects of the spe
$23.00 $45.00
ETSI ETS 300 541
European digital cellular telecommunications system (Phase 2); Routeing of calls to/from Public Data
$13.00 $25.50
ETSI ETS 300 542
Digital cellular telecommunications system (Phase 2) (GSM); Line identification supplementary servic
$19.00 $37.00
ETSI ETS 300 543
Digital cellular telecommunications system (Phase 2) (GSM); Call Forwarding (CF) supplementary servi
$32.00 $63.00
ETSI ETS 300 544
European digital cellular telecommunications system (Phase 2); Call Waiting (CW) and Call Hold (HOLD
$19.00 $37.00
ETSI ETS 300 545
European digital cellular telecommunications system (Phase 2); Multi Party (MPTY) supplementary serv
$15.00 $29.50
ETSI ETS 300 546
Digital cellular telecommunications system (Phase 2) (GSM); Closed User Group (CUG) supplementary se
$13.00 $25.50