3cx, mix and match licenses?

[ahernandez]

Can you have for example 50 standard, 30 pro, 20 enterprise, etc?

 

[Evolute IT]

Can you have for example 50 standard, 30 pro, 20 enterprise, etc?

Licenses are per-system and calculated on simultaneous calls, not users. You can mix and match between different customers if you're a partner, but not on the same system.