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Back to IP Multimedia Subsystem (IMS)
In this section:
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The figure below depicts the deployment scenario of the
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X3 interface: This interface is known as Media interface that is supported by Sonus
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or TCP. These media streams (audio/video/image/clearmode/MSRP/BFCP/FECC) carries a copy of the stream sent/received towards/from the target. The
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The
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At a high level, the functions performed by the Lawful Intercept are:
Support for sending intercepted signaling messages over TCP, using an optional IPSec tunnel
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If media interception over UDP and TCP are both
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configured at the CDC, the transport type for interception is decided based on the following conditions:
The following table describes the configuration information required to distinguish between SS8 LI, IMS LI, and Default LI.
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The SBC is enhanced to support IMS LI for PS-to-PS Handover scenarios. The enhancement has no impact on the IMS routing. |
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For more information on EMS and PSX configuration for Lawful intercept, see Sonus Lawful Intercept.
For configuration details, see Configuring SBC For Lawful Interception.
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