Traffic routing and automatic network management system for tele
Traffic track usage measurement system
Transaction billing for special service telephone numbers
Transaction control application part (TCAP) call detail...
Transaction processing platform for faciliating electronic...
Transmission of charging signals on a data transmission path
True family telecommunication service
Trunk line exchange system
Universal exchange for making least-cost non-local telephone...
Universal MDR data record collection and reporting system
Universal SMDR buffer
Universal telecommunications services account
Universal telephony application client that is configurable from
Use of wizards/experts in a PBX environment
User registration
User-controlled personalized announcements for account-based...
Validation gateway
Validation query based on a supervisory signal
Validation query based on a supervisory signal
Validation query based on a supervisory signal