GB/T 17789-1999
ActiveProcedures for simultaneous transmission of data and digitally encoded voice signals over the PSTN or over 2-wire leased point-to-point telephone type circuits
在PSTN或二线点对点租用电话型电路上同时传送数据和数字化编码语音信号的规程
Application Summary AI generated
This standard specifies the procedures for simultaneously transmitting data and digitally encoded voice signals over the public switched telephone network (PSTN) or two-wire leased point-to-point telephone circuits. It is applied in telecommunications engineering and equipment design to ensure reliable integration of voice and data on existing analog telephone lines, particularly for legacy modem-based systems and remote communication setups.
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