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...
Method of managing a peering database in a...
Method of operating a virtual private network
Method of optimum call distribution using an intelligent network
Method of routing interlata network traffic
Method of routing interLATA network traffic
Method of routing interLATA network traffic