Partitioning of display for calling party numbers
Partitioning of display for calling party numbers
Passive distributed filter system and method including caller ID
Passive telephone monitor to control collaborative systems
PBX and adjunct using multi-frequency tones for communication th
Performance enhancement of tone detection and FSK detection usin
Relay circuit for telephone interface
Reverse automatic number identification system
Ring count controlled by incoming call related information
Self-contained electronic telephone ring recorder and method for
Self-provisioning names database for caller identification servi
Subscriber unit which is responsive to annunciation messages
System and apparatus for recording and accessing information rec
System and apparatus for recording and displaying received infor
System and apparatus for recording and displaying received infor
System and apparatus for recording and displaying received infor
System and apparatus for recording and displaying received infor
System and method for anonymous telephone communication
System and method for automatically delivering an incoming calli
System and method for automatically updating a clock using...