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,
I cannot find any information on about this feature on hansamanual.
That is the purpose, is it working, how it works or how must be configured to work ?
For REST API many web request per...
