Our Fanvil's X3SG Lite has two model names: "X3SG_Lite" and "X3SG Lite". I suggest this is a manufacturer mistake. But now 3CX supports only "X3SG_Lite".
We trying to use CRM Configuration wizard described here: https://www.3cx.com/docs/crm-integration/#h.gdiwjhm5eq9d – to raise a contact card on inbound call.
Section “Step 4 - Configure contact search” explains how to achieve this, so we setting up an API URL like this...