GB/T 3377-1982

Active

Multifrequency register signalling system for telephone automatic switching network

电话自动交换网多频记发器信号方式

Standard Type
GBT
ICS
33.040.30
CCS
M12
Status
Active
Issue Date
1982-12-29
Implementation
1983-10-01
Centralized Committee
工业和信息化部（通信）
Issuing Authority
国家标准局

Application Summary AI generated

This standard specifies the signaling methods and technical requirements for multifrequency register signaling used in China's telephone automatic switching network. It defines the frequency combinations, coding rules, and transmission procedures for inter-office signaling between exchanges, ensuring compatibility and reliable call setup in the public switched telephone network (PSTN). The standard is applied in the design, testing, and operation of telephone exchange equipment and signaling systems within China's domestic telecom infrastructure.

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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.