1- Get a free Google Voice account https://www.google.com/voice and forward that number to your real office number.
2- Download "GV Notifier" from : http://www.daveamenta.com/products/gvnotifier/
It is FREE. Now you can send free SMS Messages.
If you receive an SMS nessage, GV Notifier will alarm you in 2 ways: sounds and flashs
You can use GV Notifier to send " FREE SMS Messages" and you can make "FREE phone callS" in the USA and Canada.
on that site you can find also:
- Google Voice Auto Responder: http://www.daveamenta.com/products/goog ... responder/
IF YOU WANT TO SEND BULK SMS Messages
***If any of the programers can make a bridge from Open Dental to GV Notifier that will be great