CJ/T 2-1999
Active
YD/T 3789-2020
Active
Industry standards-Postal and telecommunications
YD/T 3789-2020 Fixed terminal caller number display technical requirements and testing methods
YD/T 3789-2020 Fixed terminal caller number display technical requirements and testing methods
Price:
$ 30
Basic Information
Standard Code:
YD/T 3789-2020
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Radio communication equipment
ICS Name:
Other wireless communication devices
Publish Date:
2020-12-09
Implement Date:
2021-01-01
Scope
This standard applies to local switches and user terminal equipment in the public switched telephone network (PSTN) that transmit caller identification information. This standard does not include all inter-network signaling between digital program-controlled switches for the transmission of caller identification information.
Development Information
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