Gateway system having a redundant structure of media gateway...

General protocol for service control point

General protocol for service control point

Generalized arrangement for routing telecommunications calls

Geographical call routing for a non-emergency calling service

Geographical call routing for a non-emergency calling service

Geographical call routing for a non-emergency calling service

Geographical call routing for a non-emergency calling service

Geographical call routing for a non-emergency calling service

Geographical call routing for a non-emergency calling service

Geographical call routing for a non-emergency calling service

Geographical call routing for a non-emergency calling service

Geographical call routing for a non-emergency calling service

Geographical number portability

Geographically distributed telephony

Geographically mapped telephone routing method and system

Global subscriber numbering translation system for controlling i

Global title translation in a telecommunications signalling netw

Global title translation with load sharing