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 ETR 333
Human Factors (HF); Text Telephony; Basic user requirements and recommendations
$13.00 $25.50
ETSI ETR 334
Human Factors (HF); The implications of human ageing for the design of telephone terminals
$15.00 $29.50
ETSI ETR 335
Broadband Integrated Services Digital Network (B-ISDN); European Backbone Telecommunications Network
$23.00 $45.00
ETSI ETR 336
Telecommunications Management Network (TMN); Introduction to standardizing security for TMN
$23.00 $45.00
ETSI ETR 337
Broadband Integrated Services Digital Network (B-ISDN); Mobile networks requirements on B-ISDN
$13.00 $25.50
ETSI ETR 338
Broadband Integrated Services Digital Network (B-ISDN); Vocabulary for B-ISDN
$15.00 $29.50
ETSI ETR 340
Telecommunications security; Guidelines for security management techniques
$9.00 $17.50
ETSI ETR 341
Digital Enhanced Cordless Telecommunications (DECT); Global System for Mobile communications (GSM);
$15.00 $29.50
ETSI ETR 343
Integrated Services Digital Network (ISDN); Extended lower layer protocols; Definition of B and D Ch
$34.00 $68.00
ETSI ETR 344
Terminal Equipment (TE); The technical feasibility of a harmonized plug and socket standard for Euro
$21.00 $41.00
ETSI ETR 345
Human Factors (HF); Characteristics of telephone keypads and keyboards; Requirements of elderly and
$9.00 $17.50
ETSI ETR 346
Terrestrial Trunked Radio (TETRA); Air Interface (AI) layer 2 and 3 protocol validation; Part 1: Val
$9.00 $17.50
ETSI ETR 350
Digital cellular telecommunications system (Phase 2+) (GSM); Abbreviations and acronyms (GSM 01.04 v
$11.00 $21.51