Large Telephone Traffic Simulation
switched telephone traffic
telephone traffic management
telephone traffic network
Amount of Traffic， Traffic
Traffic， Traffic volume
video-telephone， viewphone， visual telephone
bridge used for highway traffic and light-rail traffic
differences between input traffic volume and output traffic volume
equilibrium between traffic feed and traffic requirement
114 telephone navigation
114 telephone number inquiry
3G mobile video telephone
a telephone hot-line has been set up
above Shell of Telephone
administration telephone
administration telephone network
advanced cellular telephone