GM Voices is a long-standing company recording voice prompts for companies. They are one of the most consistent companies I know in the telecom space -- exhibiting at shows for about 15-20 years.
Now the company has embraced video and social networking. Here is their video touting Digium's Asterisk. At the end -- there is a pitch for the company's services and I would give them a call as based on this video, they obviously would do almost anything to please you.
