Hello Charles_3CX and edossantos_sipcall :-)
That's exactly the mistake!
The field "Other_Phone" had to be created in Zoho first.
Now it works
Thank you very much and have a nice weekend
My 3cx ist a Version 20.0 Update 2 (Build 715 Release) gehosted on Digital Ocean
The Zoho integration with Zoho has been successfully authorized
the test gives an error message:
Server returned a non successful status code - HTTPStatusCode=BadRequest - Reason= -...