Call answering

Call branding system

Call connection control method in exchange

Call distribution system with distributed control of calls and d

Call distributor

Call distributor

Call forward managed rerouting

Call forwarding arrangement

Call forwarding based on determination of status of destination

Call forwarding control system for ISDN

Call forwarding methods and apparatus

Call forwarding status monitor

Call forwarding system and method

Call forwarding systems, methods and network devices

Call forwarding techniques using smart cards

Call forwarding to voice mail systems based on redirecting...

Call Management system with call control from user...

Call management using call routing engine

Call park and call park pickup systems, methods and network...

Call processing based on call patterns and other criteria