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US 7,742,465 B2Granted
Method and device for tapping the payload data of multimedia connections in a packet network
AssigneeNokia Siemens Networks Oy
InventorsKlaus Hoffmann, Norbert Kreusch, Karl Lanzinger, Norbert Löbig
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Abstract
In one aspect of the invention, audio and video user data are separated. The audio user data is conducted via a TDM loop, where it is tapped and the video user data is fed to the recipient via the packet network, the separated audio and video user data are then combined again.
Claims7
A method for tapping a portion of data in a packet network, comprising:
- separating first data into a audio payload data and further payload data in a terminal of a subscriber sending multimedia data;
- routing the audio payload data via a TDM loop where the audio payload data are tapped by a law enforcement agency;
- sending directly to a recipient via the packet network the further payload data;
- and
- merging the audio payload data and further payload data.
2 more elements
Dependencies are inferred from the claim text.