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.
Patent No.:
Date of Patent:
Jul. 14, 2009
Filed:
Aug. 21, 2003
Mahesh Chellappa, San Jose, CA (US);
Krishna Sundaresan, Sunnyvale, CA (US);
Chandrasekar Krishnamurthy, Sunnyvale, CA (US);
Mahesh Chellappa, San Jose, CA (US);
Krishna Sundaresan, Sunnyvale, CA (US);
Chandrasekar Krishnamurthy, Sunnyvale, CA (US);
Cisco Technology, Inc., San Jose, CA (US);
Abstract
A method for enhanced crankback handling in a multi-peer group network. The method includes receiving a first connection request from a node of a first peer group. Upon detection of a call failure within the second peer group, a crankback is transmitted from the second peer group to the first peer group. The crankback specifies a blocked interface at a first link between the first peer group and the second peer group. The crankback is transmitted from a node of the second peer group. A second connection request is subsequently received from the node of the first peer group. The second connection request uses a second link to the second peer group that avoids the call failure.