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Method of listening in to calls

  • US 20030174695A1
  • Filed: 02/26/2003
  • Published: 09/18/2003
  • Est. Priority Date: 03/15/2002
  • Status: Active Grant
First Claim
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1. A method of listening in to calls between two or more subscribers of a communications network comprising one or more IP networks, wherein a listening server, when detecting a request to monitor one of the subscribers, determines at least one call control server associated with the subscriber, that at least one IP router is determined which is responsible for a network access point of the subscriber to the IP network or IP networks, that the listening server causes the at least one determined call control server to acquire call data associated with calls in which the subscriber is involved, and that the at least one determined IP router is caused to acquire contents data associated with calls in which the subscriber is involved.

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