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Database: 189759 (19 Oct 2025)
YD/T 1277.1-2003 English PDF
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YD/T 1277.1-2003
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Technical specification and testing method of caller identity delivery based on PSTN. Part 1: Technical specification
Obsolete
YD/T 1277.1-2003
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Basic data
Standard ID
YD/T 1277.1-2003 (YD/T1277.1-2003)
Description (Translated English)
Technical specification and testing method of caller identity delivery based on PSTN. Part 1: Technical specification
Sector / Industry
Telecommunication Industry Standard (Recommended)
Classification of Chinese Standard
M40
Classification of International Standard
33.050.10
Word Count Estimation
29,266
Date of Issue
2003-06-05
Date of Implementation
2003-06-05
Summary
This standard specifies the local switch (IS) and the user terminal equipment (CPE) between the transport protocol and IS and CPE caller identification information transfer in adapting operational aspects of technical requirements. This standard applies to the fixed telephone network (PSTN) analog subscriber line caller identification information transfer is achieved.