new xb7 white modem: now landline no dial tone

installed the new white modem

I had a BLUE cable that goes from the back of the computer to the modem that was in position 2 on the back of the black modem

on the new white modem, it doesn't fit into the top phone ports (outlined in white) so have it in port #2 (the 4 outlined in yellow) and there is a tiny green light blinking on it

but, now no dial tone

isn't that for the landline phone

I have a regular phone line (luckily had a fax hooked up on a nearby printer) that works if I plug it into the phone port 1

why would I now have to use a regular phone line with the new modem when i didn't with the older black modem?

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U

user_s3cj8d

5 Messages

2 years ago

Oops it is the Xb8-T modem not XB7

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BruceW

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27.6K Messages

2 years ago

The top two RJ11 jacks on the XB8 are for use with Comcast/Xfinity home phone service. The slightly larger bottom 4 RJ45 jacks are Ethernet for connection to the Internet. You wouldn't those bottom jacks for telephone service unless you have a subscription with one of the other VOIP phone service providers like "Vonage for Home" or similar. They won't work with Comcast/Xfinity's home phone service.

I'm afraid that the color of a cable jacket doesn't really tell us anything about it's purpose, or how it is connected. Blue is a common color for Ethernet cable jackets, but many other colors are possible. Telephone cable jackets are typically beige, but can be anything.

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U

user_s3cj8d

5 Messages

@BruceW thanks for replying.

I never had a phone line plugged into the xb6 modem. the only phone line in this room was used on a printer/fax. there is a phone line plugged into the router in the basement. anyway, I took the fax phone line and put it into the phone port on the white modem. I then unplugged the phone base and plugged it back in (to try and reset). I now have a dial tone and can dial out but the phone does not ring and the call drops after 3 seconds.

2 years ago

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XfinityJanelle

Official Employee

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2.3K Messages

Hi @user_s3cj8d Thank you for reaching out. We are happy to assist you with your Xfinity voice service. Could you please send our team a direct message with your full name and full address? Our team can most definitely take a further look at this issue.To send a "Direct Message":
Click "Sign In" if necessary
• Click the "Direct Message chat" icon
• Click the "New message" (pencil and paper) icon
• Type "Xfinity Support" in the "To:" line and select "Xfinity Support" from the drop-down list which appears. The "Xfinity Support" graphic replaces the "To:" line
• Type your message in the text area near the bottom of the window
• Press Enter to send it

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2 years ago

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user_bqqoa1

Visitor

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1 Message

The xb7 new router modem I got doesn't support my voice desk work phone

2 years ago

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XfinityAlfonso

Official Employee

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2.7K Messages

Hello user_bqqoa1 is this still a concern for you? What device make/model are we using? In what way is the VOIP device not working or connecting?

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Official Employees are from multiple teams within Xfinity: CARE, Product, Leadership.
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2 years ago

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Home Phone Service & Equipment

user_s3cj8d

new xb7 white modem: now landline no dial tone

user_s3cj8d

BruceW

Please be aware that there are 2 kinds of responses in this Forum: Replies and Comments. When you Comment on a post by scrolling down to "Comment on this post here...", I am notified of your response. But if you select Reply, I am NOT notified and may not be aware of your response.

user_s3cj8d

XfinityJanelle

user_bqqoa1

XfinityAlfonso

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