Caller ID not shown from remote phonebook

[Corretje]

Hi,

So far, I was a silent user of this forum and gathered a ton of information, thanks
Now I got a question I didn't see answered very clearly.
Also the new

We use an Axeos VPBX cominated with Yealink T46S.
From the remote phonebook, the Yealink will not show the called ID, only the phone number.

The Directory --> Setting --> Directory & Search Source List In Dialing both have the remote phonebook added.
Also Settings --> Call Display --> Display Called Party Information is on enabled.
Call Information Display Method, whatever I tried, it doesn't show the name.

The remote phonebook itself is up and working in the phone and it also updates.
We sometimes do see names, but those contacts are not in our phonebook.
I guess they override their CLI with their own display name.

I could use some help here, thanks in advance.

Greetings,
Cor