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

Internet access method

Internet assisted mobile calling