"We plan to develop a single dashboard to manage extensions, IVR configurations, recordings, and announcements, rather than creating everything in Issabel UI. To achieve this, we need to expose APIs from the Issabel server for creating these features. Additionally, we'll implement an authentication mechanism. If anyone has relevant documentation or concerns, please feel free to reach out."

For the extension creation, I can use these steps - https://github.com/IssabelFoundation/framework/tree/master/framework/html/pbxapi