Telephone call dialling
Telephone call dialling
Telephone exchange system
Telephone exchange system
Telephone exchange system
Telephone services
Telephone speech control system, intermediate processing...
Telephone system
Telephone system having multiple administrators of switching...
Telephone voice messaging system and method using off-hook...
Telephone voice messaging system and method using off-hook...
Telephony control system with intelligent call routing
Telephony control system with intelligent call routing
Telephony transitioning system
Telephony transitioning system
Terminal adapter
Traffic control method for intelligent network services
Transaction sets for automated electronic ordering of...
Translation indicator for database-queried communications servic
Transparent protected access to corporate dialing plan