Invention Grant
US08228904B2 Using PSTN reachability in anonymous verification of VoIP call routing information
有权
在VoIP呼叫路由信息的匿名验证中使用PSTN可达性
- Patent Title: Using PSTN reachability in anonymous verification of VoIP call routing information
- Patent Title (中): 在VoIP呼叫路由信息的匿名验证中使用PSTN可达性
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Application No.: US12608484Application Date: 2009-10-29
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Publication No.: US08228904B2Publication Date: 2012-07-24
- Inventor: Jonathan David Rosenberg , Cullen F. Jennings
- Applicant: Jonathan David Rosenberg , Cullen F. Jennings
- Applicant Address: US CA San Jose
- Assignee: Cisco Technology, Inc.
- Current Assignee: Cisco Technology, Inc.
- Current Assignee Address: US CA San Jose
- Agency: Brinks Hofer Gilson & Lione
- Main IPC: H04L12/28
- IPC: H04L12/28
Abstract:
In one embodiment, an apparatus may verify an identity of a destination Voice-over-Internet-Protocol (VoIP) call agent for a destination telephone number based on demonstrated knowledge of at least one public switched telephone network (PSTN) call initiated to the destination telephone number. The apparatus may also receive the identity of the destination VoIP call agent based on the demonstrated knowledge of the at least one PSTN call initiated to the destination telephone number.
Public/Granted literature
- US20100046507A1 USING PSTN REACHABILITY IN ANONYMOUS VERIFICATION OF VOIP CALL ROUTING INFORMATION Public/Granted day:2010-02-25
Information query
