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Interactive Connectivity Establishment (ICE) is a protocol for Network Address Translator (NAT) traversal for multimedia sessions established with the offer/answer model. ICE uses the Session Traversal Utilities for NAT (STUN) protocol and its extension that is, Traversal Using Relay NAT (TURN). ICE uses STUN and TURN servers to overcome network address translation issues that can occur when an endpoint is situated behind a NAT device.

Note

This section controls only the IP type (IPv4 and IPv6) negotiations in the ICE protocol. Enable Ice Support on Services - Nat NAT Traversal for SBC to consider ICE processing on a call leg.

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