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    • 4. 发明授权
    • Method for remotely connecting to a secure telephone network
    • 远程连接到安全电话网络的方法
    • US07688959B2
    • 2010-03-30
    • US11211342
    • 2005-08-25
    • Christopher J. DawsonRick A. Hamilton, IIJames W. SeamanTimothy M. Waters
    • Christopher J. DawsonRick A. Hamilton, IIJames W. SeamanTimothy M. Waters
    • H04M1/66H04M3/16
    • H04M3/382H04M7/009
    • A system and method for allowing remote callers to access a secure telephone network maintains a registry (i.e. a database) of all remote callers that have access to the network. The registry contains an electronic serial number (ESN) and a personal identification number (PIN) for each remote caller. The ESN is typically the serial number of the callers cellular telephone. Alternatively, the ESN is a phone number of the remote caller's telephone. To establish a connection, the remote caller calls a private branch exchange (PBX) of the secure network. Upon receiving the call, the PBX compares the ESN and PIN of the remote caller with the ESN and PIN stored in the registry. If a match is found, the PBX authenticates the remote caller and allows the connection. The remote caller may have full access or access limited by a connection policy.
    • 用于允许远程呼叫者访问安全电话网络的系统和方法维护具有访问网络的所有远程呼叫者的注册表(即,数据库)。 注册表包含每个远程呼叫者的电子序列号(ESN)和个人识别码(PIN)。 ESN通常是呼叫者蜂窝电话的序列号。 或者,ESN是远程呼叫者电话的电话号码。 为了建立连接,远程呼叫者呼叫安全网络的专用分支交换机(PBX)。 收到呼叫后,集团电话将远程呼叫者的ESN和PIN与存储在注册表中的ESN和PIN进行比较。 如果发现匹配,则集团电话认证远程呼叫者并允许连接。 远程呼叫者可能具有受连接策略限制的完全访问或访问。