Wasn't too hard to set up although it wasn't as easy as a Grandstream 286.
I really don't know where we got it. I VP handed it to me and said "test this".
It was fun to play with. One of the ring tones was a dog with a mean bark. (That'll wake you up.)
It also allows you to upload your own ring tones. I can think of a few things to do with that feature. None of them really professional.
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Ralph