Standard No.:	GB/T 17789-1999
English Name:	Procedures for simultaneous transmission of data and digitally encoded voice signals over the PSTN or over 2-wire leased point-to-point telephone type circuits
Chinese Name:	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
Chinese Classification:	M19    Telecommunication technical requirements and interface
Professional Classification:	GB    National Standard
ICS Classification:	33.040.20 33.040.20    Transmission systems 33.040.20
Issued by:	State Quality and Technology Supervision Bureau
Issued on:	1999-07-01
Implemented on:	2000-1-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	9000 words
Price(USD):	270.00
Delivery:	via email in 1~3 business day

本标准规定了用于公用电话交换网(PSTN)或二线租用电话型电路上同时传送数字化语音和数据(DSVD)终端的技术要求。本标准规定了在点对点连接上的DSVD操作。也可以实现多点通信（例如使用分离的多点控制单）但本标准不包括该设备的特性。本标准可作为DSVD终端的设计、生产和产品质量检验的技术依据。