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:
Oct. 04, 2011
Filed:
Dec. 27, 2007
Xiaomin LU, Chantilly, VA (US);
Bruce Mattie, Germantown, MD (US);
Simon Arthur Oakley, Gaithersburg, MD (US);
Christopher Michael Sherwin, Rockville, MD (US);
David Elliott Sturtevant, Reston, VA (US);
Xiaomin Lu, Chantilly, VA (US);
Bruce Mattie, Germantown, MD (US);
Simon Arthur Oakley, Gaithersburg, MD (US);
Christopher Michael Sherwin, Rockville, MD (US);
David Elliott Sturtevant, Reston, VA (US);
Genband US LLC, Plano, TX (US);
Abstract
In one embodiment, a method includes receiving a media signal associated with a session established based on a session request. The session request is defined at a session exchange device associated with a media over internet protocol (MoIP) network. The method also includes sending a portion of the media signal to a dual-tone multi-frequency (DTMF) analysis module during a sampling time period after a non-sampling time period.