dual-wan

  1. STUN phones with WAN failover

    Hi team, I'm back with another re-occurance of the same problem that I've written about earlier: https://www.3cx.com/community/threads/yealink-t58-407-proxy-authentication-required.58528 The same client had the same situation this week, and I think I've narrowed it down in my head as to what...
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