Interactive voice response (ivr) for phone calls?

Need help with finding a suite of software-as-a-service voice applications for call tracking, call notifications, call forwarding, call automation and interactive voice response (IVR). These technologies help you manage, measure and automate voice communications. I know of a company Ifbyphone (http://public.ifbyphone.com) but I able looking for another solution. It will be for managing real state. (i.e. apartments, condos-User requests info and it sends an email with a global phone number, that number goes straight to voicemail and depending what apartment/condo the customer is interested in it will be forwarded to the correct landlord. Please I need some ideas for this project! Very important!|||Vocantas offers a hosted IVR service that can manage your real estate inbound and outbound voice requirements. In fact with the right IVR solution in place, the number of voice mail messages should be drastically reduced, as the IVR can handle many requests directly with the right scripting and business rules in place. The Vocantas solution www.vocantas.com/products-professional.p鈥?is a cost effective saas model that can be up and running quickly to suit your needs. You will be able to view all call tracking reports online 24/7 from our easy-to-use web portal. Send me an email and we can set up a time to chat! info@vocantas.com