The 57 has a power brick, the 31’s do not. That was why I included a free PoE switch for my FreePBX friends. Figured it was kinda turnkey.
What do you mean about avid, the XML scripts provide applications like visual voice mail, queue management, presence, directory etc.? They integrate with FreePBX. As dicko pointed out they are not secure and under no circumstances should be run on the public Internet.
Avid in my world is an industry standard , non-linear video Editing software, your “Top left” button said Avid, I was hoping I could watch next weeks episode of “The Disney show of your choice”, which would be quite feasable with “all the right bits” in place. Oh well I guess I’ll have to write it myself, maybe next week.