[rfranzq]

Originally Posted by Stu

.....box and an IVR handles are limited local calls.

http://www.acronymfinder.com/Informa...ology/IVR.html

lists 17 meaning for the acronym IVR.
Here are the telecom related:

* IVR Integrated Voice Response
* IVR Intelligent Voice Response
* IVR Intelligent Voice Routing
* IVR Interactive Voice Recognition
* IVR Interactive Voice Response

I am going to assume your usage is Intelligent Voice Routing.
Sometimes what is obvious to the writer is cryptic to the reader.