Need recommendation for inexpensive telephone survey software

This TechSoup user is looking for telephone survey software for an organization that can be used with patients as a customer satisfaction survey. In particular, the user is looking for interactive voice response and Interviewer for Telephone (CATI) features. The user would also like the software to include call center support to aide in the facilitation of automated telephone surveys.

Do you know of a good, inexpensive solution? Answer it here!