This guide uses S-Series as example, but it also applies to Cloud PBX/K2. Customization guide: https://support.yeastar.com/hc/en-us/articles/115004848447-How-to-Create-Custom-Config-Files-in-
Yeastar-S-Series-VoIP-PBX Dialplan Sample: https://docs.google.com/document/d/1-L6oOE-bHxaRlLhmPyqN21qGs0VXp92tiHxnADxdO64/edit?usp=sharing
Is there a certified guide to make it work also in P-series PBX?
I opened a ticket 6 months ago but the solution gave me lot of problems: