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 300 953
Digital cellular telecommunications system (Phase 2+) (GSM); Call Waiting (CW) and Call Hold (HOLD)
$11.00 $21.51
ETSI EN 300 954
Digital cellular telecommunications system (Phase 2+) (GSM); Multi Party (MPTY) supplementary servic
$9.00 $17.50
ETSI EN 300 955
Digital cellular telecommunications system (Phase 2+) (GSM); Advice of Charge (AoC) supplementary se
$9.00 $17.50
ETSI EN 300 957
Digital cellular telecommunications system (Phase 2+) (GSM); Unstructured Supplementary Service Data
$9.00 $17.50
ETSI EN 300 958
Digital cellular telecommunications system (Phase 2+) (GSM); Explicit Call Transfer (ECT) supplement
$9.00 $17.50
ETSI EN 300 959
Digital cellular telecommunications system (Phase 2+) (GSM); Modulation (GSM 05.04 version 8.1.2 Rel
$9.00 $17.50
ETSI EN 300 960
Digital cellular telecommunications system (Phase 2+) (GSM); Full rate speech; Processing functions
$9.00 $17.50
ETSI EN 300 961
Digital cellular telecommunications system (Phase 2+) (GSM); Full rate speech; Transcoding (GSM 06.1
$484.00 $968.50
ETSI EN 300 962
Digital cellular telecommunications system (Phase 2+) (GSM); Full rate speech; Substitution and muti
$7.00 $14.00
ETSI EN 300 963
Digital cellular telecommunications system (Phase 2+) (GSM); Full rate speech; Comfort noise aspect
$7.00 $14.00
ETSI EN 300 964
Digital cellular telecommunications system (Phase 2+) (GSM); Full rate speech; Discontinuous Transmi
$9.00 $17.50
ETSI EN 300 965
Digital cellular telecommunications system (Phase 2+) (GSM); Full rate speech; Voice Activity Detect
$484.00 $968.50
ETSI EN 300 966
Digital cellular telecommunications system (Phase 2+) (GSM); Half rate speech; Half rate speech proc
$9.00 $17.50
ETSI EN 300 967
Digital cellular telecommunications system (Phase 2+) (GSM); Half rate speech; ANSI-C code for the G
$484.00 $968.50
ETSI EN 300 968
Digital cellular telecommunications system (Phase 2+) (GSM); Half rate speech; Test sequences for th
$484.00 $968.50