Call queuing algorithms for telephone switch
Call queuing and distribution
Call restricting method in packet switching network and...
Call routing
Call routing
Call routing according to bandwidth in a telecommunications...
Call routing based on caller's mood
Call routing based on prior telephone calls
Call routing data management
Call routing in telephone switch based on duplicate leg...
Call routing system for a wireless data device
Call routing to wireless roamers in mobile telecommunication...
Call routing using direct in-dialing numbers in place of...
Call routing with overflow, for a private exchange
Call screening method and apparatus
Call selection and agent selection in a call center based on...
Call selection based on continuum skill levels in a call center
Call service initialization arrangement
Call set-up for fixed wireless communications system
Call set-up on 800 mhz analog voice channel from 1900 mhz...