Telecommunication network having a VPN inter-connection to...
Telecommunication network with least cost routing
Telecommunication switch using generic API to support...
Telecommunication switching system having adaptive routing switc
Telecommunication system comprising subscriber connection units
Telecommunications call-processing arrangement
Telecommunications intelligent network
Telecommunications network
Telecommunications network architecture enabling local...
Telecommunications network system and method
Telecommunications network with relocateability of subscriber nu
Telecommunications resource connection and operation using a...
Telecommunications resource connection and operation using a...
Telecommunications service control point with code blocking
Telecommunications service control point with code blocking
Telecommunications system for international call routing using t
Telecommunications system for providing a calling party control
Telecommunications system with centralized call redirection...
Telecommunications system with centralized call redirection...
Telecommunications system, service control point and method...