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  1. SSL issue, provisioning port only..

    18.0 Update 2 (Build 314) Debian 10 On Prem DIA Static IP - no nat Polycom VVX250 - latest supported by 3cx firmware See attachment on the firewall checker, but there is no hardware firewall on it. Now I’m thinking it may have something to do with that because I did remove a SonicWall that was...

  2. SSL issue, provisioning port only..

    Hi, I can access my dashboard fine. However I'm trying to provision a phone.. getting this error message.. This site can’t provide a secure connection <domain> sent an invalid response. Try running Windows Network Diagnostics. ERR_SSL_PROTOCOL_ERROR I tried the manual PbxConfigTool...

  3. Yealink W60B and W56H - Remote STUN

    I am able to use a VPN to make this particular setup work. I'm guessing SIP ALG could be my original problem.

  4. Yealink W60B and W56H - Remote STUN

    The UDP requests seem to never make it out of the network.

  5. Yealink W60B and W56H - Remote STUN

    Just wanted to share what I found after doing this myself if thats ok. I read these threads (locked): https://www.3cx.com/community/threads/yealink-w60b-extensions-not-registering.79005/ https://www.3cx.com/community/threads/yealink-w60b-fails-to-register-after-vpn-breaks-and-reconnects.62465...
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