Method of activating a station

Method of allocating international transit traffic among a plura

Method of and a system for delivering calls to plural...

Method of and apparatus for mediating common channel...

Method of and system for call routing compliant with internation

Method of and system for efficient use of telecommunication...

Method of and system for extending internet telephony over...

Method of and system for extending internet telephony over...

Method of and system for providing intelligent network...

Method of assigning telephone area codes

Method of connecting a plurality of virtual networks

Method of connecting calls

Method of detecting misrouted inter-office transport...

Method of distributed call control in a distributed transit PBX

Method of enhancing call processing in a number portability...

Method of enhancing call processing in a number portability...

Method of enhancing call processing in a number portability...

Method of establishing a toll-free communication connection,...

Method of locating an idle mobile telecommunication device

Method of managing a peering database in a...