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:
Jan. 13, 2015
Filed:
Apr. 19, 2007
Applicants:
Liang Wu, Frisco, TX (US);
Jiahe Zhuang, Allen, TX (US);
Henry Chen, Plano, TX (US);
Michael H. Mcclung, Ruckersville, VA (US);
Jeffery Sanders, Cocoa, FL (US);
Inventors:
Liang Wu, Frisco, TX (US);
Jiahe Zhuang, Allen, TX (US);
Henry Chen, Plano, TX (US);
Michael H. McClung, Ruckersville, VA (US);
Jeffery Sanders, Cocoa, FL (US);
Assignee:
Cisco Technology, Inc., San Jose, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/66 (2006.01);
U.S. Cl.
CPC ...
Abstract
In one embodiment, a method can include: (i) routing a primary call from a transferor to a transferee; (ii) routing a consultation call from the transferor to a transfer target; and (iii) forwarding a sequence of session initiation protocol (SIP) messages to a third-party device for SIP media renegotiation for transferring between the transfer target and the transferee.