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Providing CALEA/LegaI Intercept information to law enforcement agencies for internet protocol multimedia subsystems (IMS)

  • US 20060072550A1
  • Filed: 10/06/2004
  • Published: 04/06/2006
  • Est. Priority Date: 10/06/2004
  • Status: Active Grant
First Claim
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1. In an Internet Protocol Multimedia System (IMS), a method of providing bearer data to a CALEA/Legal Intercept System, comprising the steps of:

  • receiving said bearer data and related session initiation protocol (SIP) messages at an access system connectable to the Internet;

    at said access system, recognizing that said SIP messages designate a source or destination being monitored by a CALEA/Legal Intercept System; and

    responsive to said recognition, sending said bearer data and said related SIP messages from said access system to said CALEA/Legal Intercept System in temporal order of receipt by the access function.

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