Communication device
Communication device and management server
Communication device connected to telephone line together with t
Communication device having a facsimile module for carrying out
Communication device that identifies and stores and incoming sig
Communication device with a detachable recording medium
Communication device with automatic signal discrimination and me
Communication equipment with a destination area on-line display
Communication method and apparatus
Communication method and apparatus for providing terminal inform
Communication over power lines
Communication processing apparatus, communication
Communication processing apparatus, communication processing sys
Communication records management device
Communication system and data communication method
Communication system having a plurality of voice communication t
Communication system having telephonic function
Communication terminal apparatus having a relaying function
Communication terminal device and dialing key
Communication terminal having a charge displaying function