System for handling large blocks of special number calls in...

System for handling large blocks of special number calls in...

System for maintaining PBX license key information in the...

System for managing office data in an exchange,...

System for service control point routing

System, method and apparatus for least cost automatic...

System, method and computer program product for achieving...

System, method and computer program product for achieving...

Systems and method for providing network element management func

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Systems and methods for managing a numbering plan area split...

Systems and methods for providing ENUM in an LNP environment

Systems and methods for providing voice mail services to...

Systems and methods for wireless number portability solution...

Systems and methods to compare operational statuses of...

Systems and methods using secondary signal backchanneling

Systems, methods and apparatus for providing a plurality of...

Systems, methods and articles of manufacture for performing dist