Method for call processing and link test in a VoIP gateway...

Details Method for call processing and link test in a VoIP gateway... Method for call processing and link test in a VoIP gateway...

2007-10-30

2007-10-30

Tieu, Binh K. (Department: 2614)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C370S255000, C370S355000, C370S400000, C370S401000

Reexamination Certificate

active

10732525

ABSTRACT:
A method for call processing and link test in a Voice over Internet Protocol (VoIP) Gateway and system thereof. When a Gateway with Gatekeeper is operated in manual Registration/Admission/Status (RAS) mode, the link test is selectively performed depending on the status of the Gatekeeper according to an access code, whereby traffic of the Gatekeeper can be dispersed. In addition, when the Gateway with Gatekeeper is operated in manual RAS mode, depending on the status (i.e. enable or disable) of the Gatekeeper according to the access code, VoIP call processing or call routing service is divided into public VoIP service for charging a VoIP call and local VoIP service with free of charge. In case there is no routable Gateway during the VoIP call service, the call is detoured to Public Switched Telephone Network (PSTN) network for processing. As a result, service reliability of VoIP network is greatly improved.

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Search and Examination Report under Sections 17&18(3) from the British Patent Office issued in Applicant's corresponding British Patent Application No. GB0329005.3 (dated Apr. 23, 2004).

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