The Sonus IP Security package (IPsec) on this interface provides cryptographic protection for SIP signaling packets and other non-media IP traffic.

Sonus IPsec operates in tunnel mode rather than transport mode. In tunnel mode, the entire packet is encrypted and authenticated. In transport mode, only the packet payload is encrypted and authenticated. A single IP SECURITY POLICY instance is created and assigned to the IP interfaces being used for signaling.

 

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