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 ES 201 168
Speech processing, Transmission and Quality aspects (STQ); Transmission characteristics of digital P
$34.00 $68.00
ETSI ES 201 187
2-wire analogue voice band interfaces; Loop Disconnect (LD) dialling specific requirements
$9.00 $17.50
ETSI ES 201 208
Identification card systems; Telecommunications IC cards and terminals; Additional Telecommunication
$26.00 $52.50
ETSI ES 201 209-1
Identification card systems; Telecommunications IC cards and terminals; Interoperability with synchr
$32.00 $63.00
ETSI ES 201 218
Multimedia Terminals and Applications (MTA); Application Programming Interface (API) for DAVIC Servi
$29.00 $58.50
ETSI ES 201 235-1
Specification of Dual Tone Multi-Frequency (DTMF) Transmitters and Receivers; Part 1: General
$7.00 $14.00
ETSI ES 201 235-2
Final draft Version 1.2.1Access and Terminals (AT); Specification of Dual-Tone Multi-Frequency (DTMF
$7.00 $14.00
ETSI ES 201 235-3
Final draft Version 1.2.1Access and Terminals (AT); Specification of Dual-Tone Multi-Frequency (DTMF
$9.00 $17.50
ETSI ES 201 235-4
Final draft Version 1.2.1Access and Terminals (AT); Specification of Dual-Tone Multi-Frequency (DTMF
$9.00 $17.50
ETSI ES 201 263
Transmission and Multiplexing (TM); Passive optical components; Fibre optic mechanical splices for s
$9.00 $17.50
ETSI ES 201 275
Human Factors (HF); User control procedures in basic call, point-to-point connections, for Integrate
$29.00 $58.50
ETSI ES 201 286
Transmission and Multiplexing (TM); Passive optical components; Connector-type optical fixed attenua
$11.00 $21.51
ETSI ES 201 296
Integrated Services Digital Network (ISDN); Signalling System No.7; ISDN User Part (ISUP); Signallin
$23.00 $45.00
ETSI ES 201 381
Human Factors (HF); Telecommunications keypads and keyboards; Tactile identifiers
$7.00 $14.00