• 3CX Port Forwarding Issue

    Shane Cook
    Shane Cook
    Hi Guys, We use a 3CX Phone system with a SIP Trunk. We are experiencing issues where calls make it through to the system maybe 3/5 times successfully then other times the call wont even make it to the 3CX server (No entries in call log) or the call…
    • over 7 years ago
    • Sophos Firewall
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