600/1200baud modem standardized for use in the general switched telephone network
EQV CCITT 建议 V.23-84
邮电部数据通信技术研究所
This standard is the original Chinese electronic standard. After you successfully purchase, we will send the electronic version of this standard to your email address. If you need translation, please contact email: ChineseStandardsLibraryS001@gmail.com.
