Would not hurt to double check at your local office or local Xfinity Store or a local technician to make sure customer purchased modems are allowed in your location, and feel free to check your account and/or zip code on the mydeviceinfo.xfinity.com website, and see what all telephone enabled Retail Modems are supported for your zip
I would think the Arris TM822G/TM822R both would be, as they have recently been (re)added to the Retail Supported Devices List
Thanks - I plan to move into a new apt, etc in a while and have an account setup etc. But for various reasons for the last two days cannot get into details re my account and voice service- werb site is near impossible to navigate, hav checked with local via zip code, etc and they claim it is oK. Have tried online help with mixed results none to the level needed to get technical answers as I plan to use my own modem(s) to work around a fubar phone jack location issue/problem. For example I have been unable online to find out if the phone fee included a modem or is it is an add on to basic charge.
It looks like I'll have to go to a local store/location for xfinity and have a chat. was hoping to resolve such issues online. Hesitate using phone sertvice with someone located in east nowhere- alternate universe.
Oh well - a recent cartoon referred to the 8th ring of **** ( the lower region for bad people ) being customer service. Probably fits both sides- servicer and servicee...