no call

  1. Solved 3CX Iphone app does not connect with 4/5G network v20A

    We have a 3CX v20 with a simple setting (1 main number, 4 SDA). 3CX APP on I-phones can receive call "ok" when we are on the LAN (connected through WiFi) or when we are on other networks connected through WiFi. But as soon as we get on a 4/5G network, the connectivity button turns grey and no...