So are you sure that your problem is not a result of the RONA calls? Put a CMS trace on some of the agents, and use the CMS Real-Time Exception report for the RONA calls (The CMS exception is "ringing call automatically redirected").
Susan
"An education isn't how much you have committed to memory, or even how much you know. It's being able to differentiate between what you do know and what you don't."
- Anatole France