Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Roger S. Marshall0
Yinjun Zhu0
Date of Patent
April 19, 2011
0Patent Application Number
122929210
Date Filed
December 1, 2008
0Patent Primary Examiner
Patent abstract
A SIP ancillary data server provides host to auxiliary data for an emergency SIP session (call) uniquely referred to in a transported SIP header. In a manner similar to how location is represented in an emergency call, a SIP header is extended. The extended SIP Header contains one of two possible types of content elements: either (a) a content pointer element to a SIP Message body part (a “cid:”, or content identifier); or (b) an <information_URI> (a.k.a, “info_URI” in this document).
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