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 300 138-2
Integrated Services Digital Network (ISDN); Closed User Group (CUG) supplementary service; Digital S
$13.00 $25.50
ETSI EN 300 138-3
Integrated Services Digital Network (ISDN); Closed User Group (CUG) supplementary service; Digital S
$9.00 $17.50
ETSI EN 300 138-4
Integrated Services Digital Network (ISDN); Closed User Group (CUG) supplementary service; Digital S
$66.00 $131.00
ETSI EN 300 138-5
Final draft Version 3.1.1Integrated Services Digital Network (ISDN); Digital Subscriber Signalling S
$15.00 $29.50
ETSI EN 300 138-6
Final draft Version 1.5.1Integrated Services Digital Network (ISDN); Closed User Group (CUG) supplem
$75.00 $150.50
ETSI EN 300 141-1
Integrated Services Digital Network (ISDN); Call Hold (HOLD) supplementary service; Digital Subscrib
$13.00 $25.50
ETSI EN 300 141-2
Integrated Services Digital Network (ISDN); Call Hold (HOLD) supplementary service; Digital Subscrib
$13.00 $25.50
ETSI EN 300 141-3
Integrated Services Digital Network (ISDN); Call Hold (HOLD) supplementary service; Digital Subscrib
$11.00 $21.51
ETSI EN 300 141-4
Integrated Services Digital Network (ISDN); Call Hold (HOLD) supplementary service; Digital Subscrib
$75.00 $150.50
ETSI EN 300 141-5
Integrated Services Digital Network (ISDN); Call Hold (HOLD) supplementary service; Digital Subscrib
$11.00 $21.51
ETSI EN 300 141-6
Integrated Services Digital Network (ISDN); Call Hold (HOLD) supplementary service; Digital Subscrib
$58.00 $115.50
ETSI EN 300 147
Transmission and Multiplexing (TM); Synchronous Digital Hierarchy (SDH); Multiplexing structure
$11.00 $21.51
ETSI EN 300 152
ElectroMagnetic Compatibility and Radio Spectrum Matters (ERM); Maritime Emergency Position Indicati
$17.00 $33.00
ETSI EN 300 152-1
ElectroMagnetic Compatibility and Radio Spectrum Matters (ERM); Maritime Emergency Position Indicati
$17.00 $33.00
ETSI EN 300 152-2
Electromagnetic compatibility and Radio spectrum Matters (ERM); Maritime Emergency Position Indicati
$9.00 $17.50