Method for preventing call congestion on outgoing trunks of a lo

Method for preventing overload condition in a circuit...

Method for preventing overload condition in a circuit...

Method for processing call establishment requests

Method for providing a preferential routing and billing...

Method for providing personal information to call centers...

Method for providing virtual dedicated access to an inter-exchan

Method for routing a call

Method for routing a call

Method for routing a call

Method for routing in loaded telecommunication networks

Method for routing telephone calls to subscribers of different s

Method for routing telephone calls to subscribers of different s

Method for selectively routing enhanced calls

Method for telecommunications service-to-service...

Method for transferring a subscriber to a new local service prov

Method for transmitting information to remote site using...

Method for updating a local switch internal database in a system

Method for updating a local switch internal database in a system

Method for updating a local switch internal database in system h