Invention Grant
US07990955B2 Method and apparatus for PSTN-based IP active call recovery and re-routing
有权
用于基于PSTN的IP主动呼叫恢复和重新路由的方法和装置
- Patent Title: Method and apparatus for PSTN-based IP active call recovery and re-routing
- Patent Title (中): 用于基于PSTN的IP主动呼叫恢复和重新路由的方法和装置
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Application No.: US12565017Application Date: 2009-09-23
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Publication No.: US07990955B2Publication Date: 2011-08-02
- Inventor: David A. Grabelsky , Michael Homeier
- Applicant: David A. Grabelsky , Michael Homeier
- Applicant Address: US CA Palo Alto
- Assignee: Hewlett-Packard Company
- Current Assignee: Hewlett-Packard Company
- Current Assignee Address: US CA Palo Alto
- Main IPC: H04L12/66
- IPC: H04L12/66
Abstract:
A method and system for rerouting IP telephony call information. The system includes an existing IP telephony call, the telephony call originating at a first IP telephony phone. A second IP telephony phone receiving the IP telephony call from the first IP phone and a network routing condition, the routing condition causing the IP telephony call to be rerouted. A switchover instruction, the switchover instruction initiating a switchover of the existing IP telephony call to a PSTN.
Public/Granted literature
- US20100061228A1 METHOD AND APPARATUS FOR PSTN-BASED IP ACTIVE CALL RECOVERY AND RE-ROUTING Public/Granted day:2010-03-11
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