Method, system and network nodes for performing a SIP transaction in a session initiation protocol based communications network

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United States of America Patent

PATENT NO 9065837
SERIAL NO

13511586

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Abstract

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Method, system and network nodes for performing a SIP transaction, such as a SIP Invite transaction, in a Session Initiation Protocol based communications network from a first node to a third node via a second node. The second node acts as a proxy that receives a SIP message from the first node and, instead of forwarding the message to the third node, transmits a pivot request to the first node requesting the first node to forward the message directly to the third node. The first node forwards the message directly to the third node, and during the remainder of the SIP transaction further SIP messages are exchanged between the first and third node directly.

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Patent Owner(s)

  • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Noldus, Rogier August Caspar Joseph Goirle, NL 93 311

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