Method of and system for extending internet telephony over...
Method of and system for providing intelligent network...
Method of and system for providing network-initiated...
Method of assigning telephone area codes
Method of communication and connection control
METHOD OF COMMUNICATION BETWEEN AN AUTOMATIC BRANCH EXCHANGE...
Method of communication through leased line in virtual...
Method of connecting a plurality of virtual networks
Method of connecting calls
Method of controlling a telecommunications network using call ga
Method of controlling an access network as well as exchange and
Method of designing signaling networks for internet telephony
Method of detecting circular routing in No. 7 signaling
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 connection as well as an exchange, serv
Method of establishing a connection to a subscriber through a fi