The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 17, 2013

Filed:

Feb. 05, 2007
Applicant:

Yuan Cai, San Jose, CA (US);

Inventor:

Yuan Cai, San Jose, CA (US);

Assignee:

Cisco Technology, Inc., San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A system and method to cancel a blindly-transferred call in Session Initiation Protocol (SIP) includes receiving a call request from an endpoint and selecting a first call agent to handle the call request. A blind transfer of the call request is initiated to the first call agent. It is determined whether the first call agent is available to handle the call request. If the first call agent is not available to handle the call request, the blind transfer of the call request is canceled.


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