Call forwarding control system for ISDN

Call forwarding methods and apparatus

Call forwarding on busy or no answer when call waiting is active

Call forwarding on busy or no answer when call waiting is...

Call forwarding reprogramming device

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 handling

Call hold signaling

Call hold signaling

Call hold signaling

Call hold state notification across a communications network

Call initiation via calendar

Call initiation via calendar

Call initiation via calendar

Call initiation via calendar

Call initiation via calendar