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  1. Phone app works on cell & sometimes not at all on Wi-Fi

    Good day, After weeks of tests. i noticed that the network traffic leaves our premises as intended, but it gets dropped by the VoIP server instead of being received. is there something i can check on the 3cx side? Regards

  2. Phone app works on cell & sometimes not at all on Wi-Fi

    Hello, I have a similar issue with the Android app. it just says "Connecting" I have allowed all required ports. With no luck still. It works on the desktop app but not mobile. Works on Mobile data and other networks but not corporate wifi. Would could be the issue? We do not use any VPNs...

  3. 3CX iOS App Won’t Connect

    Hello, I have a similar issue with the Android app. it just says "Connecting" I have allowed all required ports. With no luck still We do not use any VPNs, The firewall Test has a few fails as follows: The rest of the ports passed besides the BELOW resolving 'sip-alg-detector.3cx.com'...
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