Instruction: Extract information from the supporting document to answer the given question.

Input:
Question: this modem work with comcast and home phone?
Document: The two antennas screw on in seconds.For me connections were easy. I connected it to my phone line, and then a single RJ45 Ethernet patch cord into my Cisco 8 port gigaswitch already connected to my NAS devices and the 6 cables routed to different locations in my home. I connected the phone line, the one Ethernet patch cord, plugged the power transformer into my UPS device, and screwed on the antennas to their threaded mounts.
They found a lot of problems! In the street, in the connections down the road, etc. I had to really persist!My ActionTecs, all of them, they drop out and resynch rates were high. This one hasn't dropped out at all yet. It seems to handle my marginal phone lines well.At this point I do highly recommend this modem.Some reviewers didn't understand, this is for phone line connection only. DOESN'T work on cable.
I had to restart the modem all the time to establish connection again.Third - automatic DHCP server in the router does not work. I had to restart the router again and again to make it recognize other computers on my home network.Fourth - the device gets pretty hot. Almost all routers I've used can be positioned horizontally or vertically. This unit can only be placed horizontally and its ventilation holes are located at its bottom, not top.
TP-LINK TD-W8980 N600 Wireless Dual Band Gigabit ADSL2+ Modem Router,...had to upgrade my old AT&T modem from 2002 to this one ..since it's hard to find just a modem  and I didn't want one from AT&T ..tried theirs and after several hours on the phone with their tech support it didn't work .. sent it back ..So I bought this one ..it's been working just fine so far ...
Overheating4. Just plain cheaply built modemsIf you can't solve #1,2,3 you won't have good connections. I had to work with the phone company A LOT to get them to fix the lines in the street! Don't overlook that when you have modem problems to solve. Modems also will just fail over time due to heat. If yours runs hot, get a cooling fan.I think this modem is a good solid modem.
I bought this for my son. It was difficult to get the modem to work but after two hours we got part done. Another hour and we got the computer while hard wired to the router to work. Nether were able to get it to work wireless.. I have three other wireless routers running in my home right now and have installed several others all of various brands and prices and never had the trouble that this is causing. My son is using it as is for now.
DSL modem function worked well. No DSL connection problem. Setup easy. Web interface well designed.Wireless router did not work so well in my 1800 SqFt home.5Ghz wifi signals were not detectable at 20 feet distance behind 2 kitchen walls. As most of the time 5Ghz signals were not detectable in most part of my home, my mobile phones would connect to 2.4Ghz network and stay connected to it.
The wi-fi on this router did not work properly. It would go in and out with my phone and laptop, always showing a strong signal but sometimes sending no data.I called support and got someone who spoke English so badly I gave up and emailed support instead. She told me to change the settings, which I did, and that did not help. She then admitted it was a known problem, so I returned the item.
Do not buy if you have Century Link. Box said that it would work fine, Don't believe the box!!! After hours of being on the phone with there technicians and everyone else on staff at Century Link I got it to work. The Techs had to change some of there settings and then I got it to work for a little bit but then it set of some security setting on CenturyLinks side and I was no longer able to access the inter-webs.
This is a great modem/router combo! Easy to set up and quick speed! Great reception for all the wi-fi devices in our home!
Answer: I'm not sure. In my area Comcast uses cable to provide internet service and this modem is for ADSL, not cable. Here's a link to the user manual: http://www.tp-link.com/Resources/document/TD-W8960N_V3_User_Guide.pdf