CIW
TT0-201 · Question #191
You are using symmetric Network Address Translation (NAT) in your network. You need a workaround for your Session Initiation Protocol (SIP) devices. You are using SIP phones from multiple vendors…
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Question
You are using symmetric Network Address Translation (NAT) in your network. You need a workaround for your Session Initiation Protocol (SIP) devices. You are using SIP phones from multiple vendors, as well as open-source SIP user agents. Which solution will enable your SIP endpoints to work with your NAT solution?
Options
- ATraversal Using Relay NAT (TURN)
- BSimple Traversal of UDP through NAT (STUN)
- CUniversal Plug and Play (UPnP)
- DThe 802.1p protocol
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