Communication apparatus connected to line of switching network p

Communication apparatus having a redial function and a simplifie

Communication system and its accounting method

Communication system for processing caller ID information

Communication terminal apparatus and control method with party i

Communication terminal apparatus and its control method with par

Communication terminal device

Communication terminal having function for displaying originator

Communication terminal having function for displaying originator

Communication unit comprising caller identification function and

Communications privacy protection system by replacing calling pa

Computer based information system for character display phone ne

Computer telephone system

Console and extension telephone system

Context-based transactions using broadcast advertising

Controlling incoming calls via the world-wide web

Cordless portable hands-free telephone

Data interface connected in line between a keyboard and a keyboa

Database service for telemarketers to screen and block...

Displaying caller identification information in a computer syste