Method for updating a local switch internal database in system h
Method for use in completing telephone calls
Method for using alphanumerical signs as a call number
Method of accessing a SCP in an ISUP network with partial releas
Method of activating a station
Method of adding a new PBX and new PBX port to an existing PBX n
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 apparatus for networking a plurality of private br
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 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...