Taiwan Provincial Standard of the People's Republic of China
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CNS 13689-1996
Scope
This standard stipulates the multiple subscriber number (MSN) addition service provided by telecommunications units, which is divided into three stages. Remarks: 1. This standard is based on the CNS_(ITU-T I.251.2 Q.81.2 and Q.951.2) standards. There are two main differences: (1) Telecom operators must allow users to apply for the interface designation of MSN added services. a given number
CNS 13689-1996 history
1996CNS 13689-1996 Integrated Services Digital Network (ISDN) Mulitple Subscriber Number Supplementary Services