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VoIP NAT: Difference between revisions
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NAT on our Voiceless server does work in many cases. However, due to the nature of NAT, and the numerous implementation and 'fixes' and 'bodges' in routers, it can be tricky to get working. Lots of the phones that we've tested do just work without the need for an ALG, stun, port forwarding etc), but other network equipment (ie the router) may get in the way.
We'd always suggest using public IP addresses for VoIP devices.
*Disable upnp on routers
*Disable SIP ALG on the router (Or try enabling)
*Disable Stun settings on the VoIP phone (or try enabling it. stun.aa.net.uk can be used)
We can provide broadband lines and public IPs that can be used for VoIP - even multiple lines through different back-haul suppliers for extra resilience. -do speak to us.
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