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:
Jul. 27, 2010

Filed:

Feb. 27, 2006
Applicants:

David Wayne Mills, Raleigh, NC (US);

Joseph L. Duffy, Plano, TX (US);

Henry L. Fourie, Los Gatos, CA (US);

Mohammed Taher Shaikh, Fremont, CA (US);

Sairam Yadlapati, San Jose, CA (US);

Inventors:

David Wayne Mills, Raleigh, NC (US);

Joseph L. Duffy, Plano, TX (US);

Henry L. Fourie, Los Gatos, CA (US);

Mohammed Taher Shaikh, Fremont, CA (US);

Sairam Yadlapati, San Jose, CA (US);

Assignee:

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

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/66 (2006.01); H04L 12/28 (2006.01);
U.S. Cl.
CPC ...
Abstract

To provide for interoperability of Session Initiation Protocol (SIP) and H.323 for Secure Realtime Transport Protocol session establishment, a transmit key is received in a first protocol from a first endpoint. The transmit key is mapped from the first protocol to a second protocol and sent in the second protocol to a second endpoint to establish a secure communication session between the first endpoint and the second endpoint.


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