Plan of Time Automatic Synchronization of SPC Telephone Exchanges in Tianjin Local Networks
Chai Zhi · Tianjin Communications Technology · 2002
In the light of the problem of time synchronization of SPC telephone exchanges in Tianjin local fixed telephone network,the paper introduces the concept of time synchronization and feasibility design project of using Tianjin local telephone network management system to realise time synchronization in SPC telephone exchanges,and as well as the developed result of the system.It thinks that developed project has more promoting value.