cisco 3905 vs 3cx provisining

[xansli]

please help to provisining cisco 3905 with 3cx phone system. using 3cx couple of years. first time owned cisco 3905. didnt imagine it will bee sooo hard to configure

 

[Saqqara]

Not a 3cx support phone - https://www.3cx.com/sip-phones/

You could try - https://www.3cx.com/community/threa...-phone-how-can-i-make-it-work-with-3cx.84739/

Suggest you swap the phone for a supported device