To configure the welcome message on your Hivoox line, you must first contract the virtual switchboard service with a minimum of 2 extensions.

Configuration of the welcome message in the virtual switchboard, with call forwarding to an extension.

Enter your PBS account and click on IP CENTREX,
Then click on INTERNAL and create a short number (example 101, 102 ...) for each of its extensions.

Click on the configure button on the left, a new window will open that will allow you to configure the selected line.

From this new window, click on IP CENTREX,

On this page, click on EDIT and follow the instructions.