sip registration and ports

  1. Yealink T43U will not register via STUN when 3CX Windows app is registered, provisions just fine

    Hi, I have been struggling with provisioning BOTH 3cx APP, 3cx Android APP, and a T43U Yealink phone via STUN all on the same remote network. The configuration for the extension Options I have unchecked "Block Remote phones using Stun", so that this is turned off for this extension. My 3cx...
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    • sip registration and ports
    • Replies: 4
    • Forum: Yealink
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