发明名称 SYSTEM AND APPARATUS FOR ROGUE VOIP PHONE DETECTION AND MANAGING VOIP PHONE MOBILITY
摘要 A method and a system track network access information for authorized network devices. The access information facilitates tracking movement of the device throughout the network. In addition the access information can be used to detect when an unauthorized device attempts to access the network, posing as an authorized device
申请公布号 US2016044052(A1) 申请公布日期 2016.02.11
申请号 US201514886570 申请日期 2015.10.19
申请人 Cisco Technology, Inc. 发明人 Shim Choon B.;Byun Joonbum
分类号 H04L29/06;H04L12/24;H04L29/12 主分类号 H04L29/06
代理机构 代理人
主权项 1. A method comprising: building an access control list, the access control list comprising switch port data and addressing data of a set of authorized devices on a communications network; detecting an attempted voice over Internet protocol (VoIP) call by a device on the communications network; identifying switch port data and addressing data for the device initiating the attempted VoIP call; identifying the device as an unauthorized device based at least in part on the switch port data; responsive to identifying the device as an unauthorized device, blocking the attempted VoIP call at an application level while allowing data traffic to move across a switch port indicated by the identified switch port data.
地址 San Jose CA US