-
-
-
YD/T 4150-2022 in English
Technical requirements of Calling Party Identification Presentation Base on ISUP Protocol
valid
Issued on:2022-09-30
$616.00 -
YD/T 4159-2022 in English
Technical Requirement of Local Service Management System for Number Portability
valid
Issued on:2022-09-30
$560.00 -
YD/T 4160-2022 in English
Technical Requirement of Service Order Administration System for Number Portability
valid
Issued on:2022-09-30
$616.00 -
YD/T 4164-2022 in English
Coordination mechanism and handling requirements for interconnection and number portability problems
valid
Issued on:2022-09-30
$448.00 -
GY/T 352-2021 in English
Baseline for classified protection of broadcasting cybersecurity
valid
Issued on:2021-07-14
$1,800.00 -
YD/T 2093-2018 in English
Security protection testing requirements for the online business hall
valid
Issued on:2018-02-09
$2,520.00 -
YD/T 3314-2018 in English
Security protection testing requirements for the network transaction system
valid
Issued on:2018-02-09
$2,268.00