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:
Nov. 23, 2010
Filed:
Feb. 16, 2007
Atul Trasi, Potomac Falls, VA (US);
Daniel Scott Keller, San Jose, CA (US);
Susan Marie Sauter, Murphy, TX (US);
Ho Bao, Richardson, TX (US);
Chunfeng Huang, Plano, TX (US);
Atul Trasi, Potomac Falls, VA (US);
Daniel Scott Keller, San Jose, CA (US);
Susan Marie Sauter, Murphy, TX (US);
Ho Bao, Richardson, TX (US);
Chunfeng Huang, Plano, TX (US);
Cisco Technology, Inc., San Jose, CA (US);
Abstract
A method to support cross cluster extension mobility (CCEM) in a communication network, which includes a plurality of clusters, each of the plurality of clusters including a call manager, the method includes receiving a request for cross cluster extension mobility from a user on a first telephony device located in a first cluster; adding a second telephony device in a home cluster for the user, only if the first cluster is different from the home cluster. The method further includes performing extension mobility login for the user on the first telephony device; and configuring a Trivial File Transfer Protocol (TFTP) service parameter of the call manager in the first cluster.