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:
May. 19, 2009
Filed:
Mar. 31, 2004
Sankaran Narayanan, Bellevue, WA (US);
Jeremy Thomas Buch, Redmond, WA (US);
Vadim Eydelman, Redmond, WA (US);
Jinyan Su, Sammamish, WA (US);
Sankaran Narayanan, Bellevue, WA (US);
Jeremy Thomas Buch, Redmond, WA (US);
Vadim Eydelman, Redmond, WA (US);
Jinyan Su, Sammamish, WA (US);
Microsoft Corporation, Redmond, WA (US);
Abstract
A method, computer readable medium having computer executable instructions, and a computer readable medium having stored thereon a data structure for signing and validating Session Initiation Protocol ('SIP') routing headers are disclosed. A SIP node may receive a SIP request including a message header. A signature based upon at least a portion of the message header and a SIP node header entry may be generated. The signature may then be inserted into the SIP node header entry.