Telephone call tracking and billing system and method
Telephone calling account system and method
Telephone communication system and method, and server for...
Telephone communications system, a method of delivering...
Telephone exchange apparatus, telephone exchange system, and...
Telephone exchange with a further unit
Telephone for storing particulars of outgoing calls and/or speci
Telephone line aggregated billing
Telephone line selector and call accountant
Telephone monitoring system to reduce consumer payments of telep
Telephone network with telecommuting features
Telephone number display apparatus listing telephone numbers by
Telephone pre-paid calling card system and method
Telephone providing automatic tracking of calling plan charges
Telephone status recognition and bypass system
Telephone system and method operated from central office loop cu
Telephone system capable of automatically distributing terminati
Telephone system for connecting a customer to a supplier of good
Telephone time recording system
Telephone travel card system under the control of its customers