Man-to-machine communication during on-line conversation in keyp
Memory card connectable to a telephone
Method and apparatus for delivering secured telephony...
Method and apparatus for displaying multiple languages in key ph
Method and apparatus for sharing speakerphone processor among mu
Method for controlling and processing an incoming call of a line
Method for printing key telephone designation strips
Method for providing telephone services for commercial...
Method for providing telephone services for commercial...
Method of displaying caller identification for abandoned call in
Multi-line telephone system
Multifunction two line telephone system
Multiline telephone apparatus
Multiple platform voice processing system with optimized...