Robuta

https://www.nextiva.com/blog/call-queuing.html
Call queues are a life-saver for businesses that get a high volume of incoming calls and want to optimize their contact center. Here's how they work.
call queuingbusinessesusequeuesoftware
https://workspaceupdates.googleblog.com/2025/12/call-queuing-voice.html
google workspacecall queuingupdatesavailableselect