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,
We are looking at a new version for our customers – version 2025-09-08. We have setup a test server and then login to this from a client machine, these are Windows 11 client machines.
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