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…and VoIP Tapping<br />

© <strong>Sangoma</strong> Technologies<br />

April 2013<br />

• As networks are moving to VoIP, tapping solutions<br />

also need to follow this migration<br />

• Some solutions involve using ‘capturing probes’<br />

connected to Router Mirror Ports<br />

– Required a lot of downstream processing to filter out<br />

voice ‘bits’ only<br />

• More efficient solutions using Session Border<br />

Controllers with SIP forking<br />

– SBC are in the call<br />

– SIP aware; record what is required only<br />

15

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