Why is there a gap between 'ready' and 'joining_call'?

What does the 'ready' status mean?

The ready status is an internal status used by our system and should be ignored.

Why is there a gap between 'ready' and 'joining_call' statuses?

The time difference between the ready and joining_call statuses can vary from a few minutes to several hours.

This gap does not affect how prompt a bot is when showing up to a call.