User plane location services over session initiation protocol (SIP)

  • US 9,088,614 B2
  • Filed: 03/07/2014
  • Issued: 07/21/2015
  • Est. Priority Date: 12/19/2003
  • Status: Active Grant
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First Claim
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1. A method for obtaining a location of a subscriber, comprising:

  • signaling, at a location server, an instant message location request to a target device via an instant message server; and

    retrieving, via a user plane location service session, location information associated with said target device.

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