
【国外标准】 A digital modem and analogue modem pair for use on the Public Switched Telephone Network (PSTN) at data signalling rates of up to 56 000 bit/s downstream and up to 33 600 bit/s upstream
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2025-06-10
- ITU-T V.90
- 现行
- 定价: 无文本
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适用范围:
暂无
标准号:
ITU-T V.90
标准名称:
A digital modem and analogue modem pair for use on the Public Switched Telephone Network (PSTN) at data signalling rates of up to 56 000 bit/s downstream and up to 33 600 bit/s upstream
英文名称:
标准状态:
现行-
发布日期:
2025-09-01 -
实施日期:
出版语种:
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