Submitted by jarome on Wed, 09/05/2018 - 16:38

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Here is my attempt to get support via "Comcast cares" on Twitter:

  1. It is not modem compatibility. It is comcast's refusal to allow separate modems for phone and internet--the ONLY way I can use a DOCIS 3.1 modem and not throw money away.

  2.  

    https://jamesrome.net/drupal/screwedbycomcast …

  3.  

    James Rome

  4.  

    And Brian.Roberts@cable.comcast.com is now disabled, so there is no way to contact him about this sorry affair.

    Sep 4Sent

  5.  

    Here is a link to a page that lists DOCSIS 3.1 modems can be used for both phone and internet on our service: https://mydeviceinfo.xfinity.com/  -CC

     

    Sep 4

  6.  

    I went there and bought one. But there are NO telephony modems listed. Read my blog. You refuse to activate phone on my old arris, and internet on my new motorola.

    Sep 4Sent

  7. You can use this site to determine which wireless gateway will work best for you: https://www.xfinity.com/support/articles/list-of-approved-cable-modems … even tells you how to filter for voice compatible devices. It's not that we refuse, the system doesn't allow it. -CC

     

    Sep 4

  8.  

    I do not want to spend money on another DOCIS 3.0 Modem. I bought a recommended omne, and it did not work. You still have not read my blog. You used to be able to do this.

    Sep 4Sent

  9.  

    There are no xfinity approved DOCIS 3.1 modems. Go to 400 Mbps, and there are 2, but both are docis 3.0.

    7h7 hours agoSent

  10.  

    We do have approved modems that do both. Please visit the following link, https://www.xfinity.com/support/articles/list-of-approved-cable-modems …, which will give you more information on the devices. -BB

    3h3 hours ago

  11.  

    Have you visited our website? We do have approved modems. -BB

    3h3 hours ago

  12.  

    Yes, and if you read my blog, you will see that I tried one and it did not work, so I got a plain Motorola cable modem, and xfinity blocked it (after I had activated it because despite many on your forum saying they do it, you do not allow 2 modems

    3h2 hours agoSent

  13.  

    What do you mean by we blocked it? BB

     

    2h2 hours ago

  14.  

    https://forums.xfinity.com/t5/Your-Home-Network/Xfinity-no-longer-allows-separate-modems-for-voice-and/m-p/3138458#M289558 …

    51m47 minutes agoSent

  15.  

    We do understand your concerns and apologize for the inconvenience. Do you have another modem you could possibly use? -BB

     

    39m36 minutes ago

  16.  am using my old one, which will only do 150 Mbps, whereas my service is for 250Mbps. Why can't I use two modems like everyone on your forum that says they do?

    35m32 minutes agoSent

  17.  

    We can add two modems to your account. -BB

     

    28m25 minutes ago

  18.  

    I added two, and the revenue assurance group blocked it!.Read my blog: https://jamesrome.net/drupal/node/177 

    22m18 minutes agoSent

  19.  

    As stated previously, the (DOCSIS 3.1) modems can be used for both phone and internet on our service: https://mydeviceinfo.xfinity.com/  -BB

     

    7m3 minutes ago

  20.  

    No. there are none that you approve. You refuse to listen to me. Go to the page you recommend, fill it in, and there are 2 choices, both DOCIS 3.0. And why won't you read my blog https://jamesrome.net/drupal/node/177  which explains all this?

    Hello, James. Sorry you're unable to use 2 modems one for voice and one for internet. If you are not able to find what you want on the site that is approved. Hopefully soon there will be more Docis 3.1 modems instead of the 3.0 to choose from. You can find out if you are using an Xfinity-approved modem. This link will be helpful to you. https://www.xfinity.com/support/articles/list-of-approved-cable-modems …. -JH

  21. The Technicolor (XB6) Wireless Gateway provides the functionalities of a WiFi router, DOCSIS 3.1 cable modem and eMTA in a single device. If you have both Xfinity Voice and Xfinity Internet service, this Gateway provides an all-in-one way to stay connected and manage your home network. This new Wireless Gateway device supports Xfinity Internet tiers with 400 Mbps and 1 Gbps download speeds with integrated simultaneous dual-band (2.4 and 5 GHz) wireless router capabilities. This equipment is not available to buy 3rd party, but we do have rental options available if you are on the correct speed tier listed above. We do not currently support any 3rd party 3.1 all in one equipment that is available for purchase. -Ryan

    14h14 hours ago

  22.  

    Finally a proper answer, Ryan. You need to beat upon the previous answerers. But I really hate renting equipment. And I don't understand why I can't use separate modems for telephone and internet. Others claim they can do so. Surely this is an unnecessary burden Xfinity puts on its customers. It should not be halted by your revenue assurance group, since it is legit. And how are customers supposed to know this is not legit? You must go through the forums and add notes saying this is not allowed. If you read my blog, you will see that the Arris 3.0 modem I tried blocked my dynamic dns access (even in bridge mode!), which I need so I can access my system remotely.

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