Just say it while you are on hold. They don't make any effort to ensure you hear their notification, so why should you make any effort to ensure that they hear yours?

> Just say it while you are on hold. They don't make any effort to ensure you hear their notification, so why should you make any effort to ensure that they hear yours?

This is possibly worse than staying silent, given you're betraying bad intent.

Yep. Them saying it may be recorded for quality purposes should be enough, your complaint using the recording is to improve the quality of service you receive.