Intelligent network and method for providing voice telephony...

Intelligent network and method for providing voice telephony...

Intelligent network and packet data network interoperability

Intelligent network interface device for caller...

Intelligent services network using a switch controller

Intelligent switching for secure and reliable voice-over-IP...

Intelligent terminal SIP enabled devices

Intelligent voice bridging

Inter-carrier signaling and usage accounting architecture...

Inter-LAN connection method using ISDN

Inter-switch telecommunications system for interconnecting...

Interception call signaling method and apparatus between a...

Interception of multimedia services

Interconnect network for operation within a communication node

Interconnect network for operation within a communication node

Interconnecting voice-over-packet and analog telephony at a...

Interconnection architecture for managing multiple low...

Interface apparatus of ATM/STM coexistence network system

Intergrated services digital network private branch exchange...

Internal line control system