Caller Name local calls v18 vs v20 on phone screen

Vol_osko

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Question about our office instance.
Hello! Recently i updated 3cx (debian) from v18 to v20. And some strange things happen.

WAS:
Local call from Yealink t-30 to Yealink t-30 caller name is on screen. (OK)
user A extension xxx to user b extension yyy

NOW (after update):
same conditions (LAN, users, etc...)
Local call from Yealink t-30 to Yealink t-30 NO caller name is on screen. (notOK)
It shows CallerNUM, If I set "display name" in the phone settings (not 3cx), it is displayed on other phones.

Can i force 3cx to send caller name on local calls without setting DisplayName on every phone in the office?

P.S. If I call from or to the app on my smartphone, the caller's name is displayed normally.
 

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