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Chinese National Standard Category: Telecommunication services |
English Title: | Code Number and Dialing Procedure of Universal Personal Telecommunication, Wide Area Centrex Switch (WAC), Vote of Telephone (VOT) and Mass Calling (MAS) Services |
Chinese Title: | 通用个人通信(UPT)、广域集中用户交换机(WAC)、电话投票(VOT)和大众呼叫(MAS)的编号和拨号程序 |
Standard No.: | YDN 030.2-1997 |
Category No.: | M21 |
Issued by: | Ministry of Posts and Telecommunications |
Issued on: | 1997-4-1 |
Implemented on: | 1997-5-1 |
Status: | valid |
Superseded by: | |
Superseded on: | |
Abolished on: | |
Superseding: | |
Word Count: | 3000 words |
Similar Standards: | T/CCSA 242-2019 YD/T 4177.2-2022 YD/T 4167.1-2022 YD/T 4140-2022 YD/T 4177.3-2022 YD/T 4148-2022 YD/T 4147-2022 YD/T 4177.1-2022 GB/T 39579-2020 GB/T 36966-2018 T/CCSA 218-2018 T/CCSA 217-2018 T/CCSA 219-2018 YD/T 3315-2018 GB/T 32406-2015 GB/T 32404-2015 YD/T 2024-2009 YD/T 2010-2009 YD/T 2009-2009 YD/T 2011-2009 |
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