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 301 144-5
Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) and
$17.00 $33.00
ETSI EN 301 144-6
Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) and
$162.00 $324.50
ETSI EN 301 145-1
Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) prot
$19.00 $37.00
ETSI EN 301 145-2
Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) prot
$15.00 $29.50
ETSI EN 301 145-3
Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) prot
$11.00 $21.51
ETSI EN 301 145-5
Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) prot
$11.00 $21.51
ETSI EN 301 145-7
Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) prot
$13.00 $25.50
ETSI EN 301 152-1
Intelligent Network (IN); Intelligent Network Capability Set 1 (CS1) extension; Intelligent Network
$11.00 $21.51
ETSI EN 301 152-2
Intelligent Network (IN); Intelligent Network Capability Set 1 (CS1) extension; Intelligent Network
$15.00 $29.50
ETSI EN 301 155
Synchronous Digital Hierarchy (SDH); Unidirectional performance monitoring for the network element v
$7.00 $14.00
ETSI EN 301 160
Routeing of calls to European Telephony Numbering Space (ETNS) services
$17.00 $33.00
ETSI EN 301 163-1-1
Transmission and Multiplexing (TM); Generic requirements of Asynchronous Transfer Mode (ATM) transpo
$29.00 $58.50
ETSI EN 301 163-2-1
Transmission and Multiplexing (TM); Generic requirements of Asynchronous Transfer Mode (ATM) transpo
$34.00 $68.00
ETSI EN 301 164
Transmission and Multiplexing (TM); Synchronous Digital Hierarchy (SDH); SDH leased lines; Connectio
$17.00 $33.00