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 200
Digital cellular telecommunications system (Phase 2) (GSM); Recommended infrastructure measures to o
$13.00 $25.50
ETSI ETR 201
Public Switched Telephone Network (PSTN); Register-recall [CEPT Recommendation T/CS 20-09 E (1980)]
$7.00 $14.00
ETSI ETR 202
Public Switched Telephone Network (PSTN); Real time clock [CEPT Recommendation T/CS 20-18 E (1981)]
$7.00 $14.00
ETSI ETR 203
Public Switched Telephone Network (PSTN); Messages and formats for push-button dialling [CEPT Recomm
$7.00 $14.00
ETSI ETR 204
Public Switched Telephone Network (PSTN); Automatic sender for push-button multifrequency signalling
$7.00 $14.00
ETSI ETR 205
Public Switched Telephone Network (PSTN); Multifrequency push-button receiver at subscriber s premis
$7.00 $14.00
ETSI ETR 206
Public Switched Telephone Network (PSTN); Multifrequency signalling system to be used for push-butto
$11.00 $21.51
ETSI ETR 207
Public Switched Telephone Network (PSTN); Alternative sender for multifrequency signalling system to
$11.00 $21.51
ETSI ETR 208
Human Factors (HF); HF aspects of Universal Personal Telecommunications (UPT); User requirements
$26.00 $52.50
ETSI ETR 209
Integrated Services Digital Network (ISDN); Freephone (FPH) supplementary service; Functional capabi
$26.00 $52.50
ETSI ETR 211
Digital Video Broadcasting (DVB); Guidelines on implementation and usage of Service Information (SI)
$21.00 $41.00
ETSI ETR 212
Methods for Testing and Specification (MTS); Implementation Conformance Statement (ICS) proforma sty
$32.00 $63.00
ETSI ETR 213
Universal Personal Telecommunication (UPT); Phase 1 (restricted UPT service scenario); Service requi
$7.00 $14.00
ETSI ETR 214
Universal Personal Telecommunication (UPT); Phase 1 (restricted UPT service scenario); Service aspec
$9.00 $17.50