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...
Radio communication system having a base unit control for establ
Speech system, extension communication terminal, and method...
System and method for providing a multi-number plan for use with
Telephone and telephone system having improved one-touch calling
Telephone apparatus capable of setting card unit therein
Terminal based adjunct call manager for a communication system