“Will this work with Comcast Xfinity with VOIP telephony?”
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One must be careful and retain a healthy dose of scepticism when it comes to answers posted online. I was gullible and wanted to believe the answers posted here, but I decided to double check and went into a store to look at the box itself, and worst case, there might be someone on site who could answer my questions in person! What I have found out is there are at least 2 variety of this line of "modem" from Motorola, one of which DOES in fact support telephony, but has no wi-fi capabilities. So you would need to add your own wi-fi router. This version of the modem has two RJ-11 (for regular telephone jack connectors) ports in addition to the four RJ-45 (for Ethernet cables) connectors. The picture of the back of the advertised "N450 N Router With 8 X 4 DOCSIS 3.0 Cable Modem" shows that it has only the four RJ-45 ports, and no RJ-11 ports, therefore, it definitely DOES NOT support telephony. There are indeed two modem/router combo at the store that supports both telephony and wi-fi, one is an ARRIS brand, and the other is NETGEAR. I strongly advise anyone who is planning to purchase this modem to visit the store, and at least speak to one of the sales representative before making the purchase.
Sorry, there was a problem. Please try again later.YEs, this unit is compatible with Comcast.
Sorry, there was a problem. Please try again later.Yes, this should do fine. I have it installed with Comcast Xfinity bundled with Voice.
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