This paper describes in detail the methods for estabishing a simulation system for long distance telephonic station by use of CSIMAN simulation technique,the methods to determine an optimum utilization state for the long distance telephonic booth by the light of the capacity utilization NR(Ⅰ) and the length of the queued entities NQ(Ⅰ) in CSIMAN simulation system.

The long-distance communication trunk transfer network management system based on GIS;