Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2011-04-19
2011-04-19
Sheikh, Ayaz R (Department: 2476)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
Reexamination Certificate
active
07929530
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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Marshall Roger S.
Zhu Yinjun
Bollman William H.
Sheikh Ayaz R
TeleCommunication Systems Inc.
Wong Blanche
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