Network traffic controller
Network-based method for notification of the best time to call
Network-based securing of added-value services against...
Networked interactive call management subsystems with prevention
Object oriented system for modeling telecommunications circuits
Obtaining information about a called telecommunications party
On demand real time telephone billing equipment
Optimizing profitability in business transactions
Origin device billing according to caller
Origin device billing according to caller
Origin device order billing according to caller
Outbound call pacing method which statistically matches the numb
Outputting of reports generated by a telephone exchange
Parallel computer network and method for telecommunications...
Parking management system
Passive telephone line monitoring system
Pay as you communicate call center
Pay station telephone call answer supervision apparatus
Pay telephone communication system
Pay-per-use communication node capabilities