Ring Groups combined with Conference or somekind of invite users

[NoFate]

i also read something about callfiles?

this thead was a similar question, seems he resolved it with callfiles? but i have no idea how the plan should look like

Send SIP INVITE to other clients when there is Conference call created using ConfBridge App

Asterisk v15 introduced options like b and B (same as Dial) and v16 saw the a option added for async. So on current LTS versions, you can do async with Originate()