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 EN 300 927
Digital cellular telecommunications system (Phase 2+) (GSM); Numbering, addressing and identificatio
$13.00 $25.50
ETSI EN 300 928
Digital cellular telecommunications system (Phase 2+) (GSM); Technical realization of Supplementary
$13.00 $25.50
ETSI EN 300 931
Digital cellular telecommunications system (Phase 2+) (GSM); Technical realization of facsimile grou
$21.00 $41.00
ETSI EN 300 935
Digital cellular telecommunications system (Phase 2+) (GSM); Advice of Charge (AoC) supplementary se
$11.00 $21.51
ETSI EN 300 937
Digital cellular telecommunications system (Phase 2+) (GSM); Data Link (DL) layer; General aspects (
$11.00 $21.51
ETSI EN 300 938
Digital cellular telecommunications system (Phase 2+) (GSM); Mobile Station - Base Station System (M
$26.00 $52.50
ETSI EN 300 940
Digital cellular telecommunications system (Phase 2+) (GSM); Mobile radio interface layer 3 specific
$85.00 $169.50
ETSI EN 300 943
Digital cellular telecommunications system (Phase 2+) (GSM); Short Message Service Cell Broadcast (S
$9.00 $17.50
ETSI EN 300 944
Digital cellular telecommunications system (Phase 2+) (GSM); Performance requirements on the mobile
$9.00 $17.50
ETSI EN 300 945
Digital cellular telecommunications system (Phase 2+) (GSM); Rate adaption on the Mobile Station - B
$21.00 $41.00
ETSI EN 300 947
Digital cellular telecommunications system (Phase 2+) (GSM); enhanced Multi-Level Precedence and Pre
$9.00 $17.50
ETSI EN 300 948
Digital cellular telecommunications system (Phase 2+) (GSM); Group Call Control (GCC) protocol (GSM
$17.00 $33.00
ETSI EN 300 949
Digital cellular telecommunications system (Phase 2+) (GSM); Broadcast Call Control (BCC) protocol (
$15.00 $29.50
ETSI EN 300 951
Digital cellular telecommunications system (Phase 2+) (GSM); Line identification supplementary servi
$9.00 $17.50
ETSI EN 300 952
Digital cellular telecommunications system (Phase 2+) (GSM); Call Forwarding (CF) supplementary serv
$19.00 $37.00