To be honest, we've never used one. We have a manager that has that "radio voice" that just loves to be the voice of all of our IVR's and messages. Maybe that's not an option, but some people enjoy being the "voice of the company".
LoPath
Maintain HiPath 4000 V5 & V6, OpenScape Xpert V4 & V6, OpenScape Xpressions V7, OpenScape Contact Center V8, OpenScape Voice V9