As integration was developed based on older version, I suggest you to test if it works with 3CX Phone System version 15.5.
Also, you could ask other partners. Might be they have customers using this version.
Hi there,
Version 2025-08-11.
When restoring data using the GUI client, we get a restore window that lists all the available text backup files. We have noticed that the date on the left hand side ...
Hello,
We also have a customer on windows who is on 2026-02-28 having the exact same error message after updating.
The title of the messagebox is in our case is: "C:\Program Files(x86)\Han...
