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Comcast’s name servers

Business Class customers have contacted us asking, “What are Comcast’s name servers?  I need to know so I can use my own domain for Comcast services.”

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12K

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Disconnecting service.

When Comcast credited my payment to the wrong account last May, my subsequent payments were always one month late, but still early enough not to incur a late fee. As such, I was not aware of the misplaced payment until I was charged with a late payment fee several months later. That led me to resear

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4.6K

5

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Received replacement modem, /very/ displeased with receiving a discontinued refurbished device.

In a previous post, https://forums.businesshelp.comcast.com/conversations/equipment/time-to-get-a-replacement-for-the-old-smcd3gccr/633cf41548c60d55e60592dc , I asked about replacing my old SMCD3G as it was starting to randomly lock up, requiring a power cycle.Getting a replacement was painless, cre

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358

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Time to get a replacement for the old SMCD3G-CCR?

I have a SMC SMCD3G-CCR with five static IP's, routing/firewalling is handled by an external device (the SMC doesn't have the memory/grunt to deal with my stack).Recently, the SMC has started randomly 'hanging'. My firewall stops being able to ping the public facing IP assigned to the modem, and tr

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324

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Slow upload on static IPs

I've been trying to pin down the cause of some machines having slow internet upload speed and I seem to have tracked it down to static IPs. Machines that get NAT addresses straight from the modem have good upload speed but everything that is assigned a static IP, either routers or individual machine

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1.2K

10

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password reset

I am unable to sign into my comcast gateway with the default username and password. Could I get the password reset please? Thanks!

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2K

3

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Comcast Business Contract Renewal - Customer-Owned Equipment

In 2020 I contracted with Comcast for a package called Business Internet 500, and I have been able to use my own modem (a Netgear CM1000) for Internet service (no other services). As the contract was nearing expiration, I called and spoke with a sales representative. He told me that Comcast Business

Question

548

4

Accepted Solution

BLF Moved?

I used to go to Advanced Settings under Business Voice User to change BLF settings, but that option no longer appears there, and I can't find it. Is this a temporary portal issue, or has its location changed?

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145

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PTR records or ideally forwarding please :)

I host my own name servers and have a new /28 block and /56 block ipv4/6 from comcast and I would like to be able to manage my own PTR records (e.g.: [rfc2317](https://www.rfc-editor.org/rfc/rfc2317)) for my static ipv4 and ipv6 blocks.  If not, here is the list of ip addresses and their names

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75

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Polycom CCX 410 extension not showing and cannot call out

First the date went ahead an hour. Then when I rebooted my phone, my extension went away. When I call out, I get a fast busy. When I call in, it goes right to voicemail.

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109

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CANNOT ACCESS 10.1.10.1 BUSINESS MODEM

Needing to access the Comcast Modem 10.1.10.1 in order to set new ip addresses in firewall acceptance. I cannot access 10.1.10.1 i get the spin on Chrome and ERR_CONNECTION_RESET thats all nothing. I tried using WIFI, the router that is plugged into the modem and hardwire directly into the modem, no

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8.6K

5

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Official Solution

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CBR-T Manual

I recently upgraded my service and I have this new CBR-T wireless router.  When first installed I did not have time to reset all my rules from my old router so I called support to get a manual on the modem.  They asked what I needed and they switched the modem to passthrough mode. I now want to use

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26.1K

17

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Also - Mystery BROADCOM_GUEST wifi hotspots...

I've had an escalated ticket put in for two weeks, with no answer from Comcast at all on what is going on. I have 6 mystery broadcom guest wifi hotspots, plus a "hidden network" hotspot coming from my comcast business modem. There was another post about this, with 2 people having the same issue, and

Question

5K

9

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Sidecar

How do I set up the sidecar on my vvx450. Most of my extensions are on the phone itself, how do i move all my extensions to the side car. The problem it is creating is it does not allow for me to park a call on the phone, but only on the sidecar... if I park a call on the sidecar, other phones don't

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405

2

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How does Connection Pro work? *I'm having issues with it.*

Hello, I am hoping for clarification on how this service is supposed to work in a real business setting? My understanding is that the customer has a business cable modem/router combo that they get their general service from. Then the Connection Pro device is connected to the primary device via cat 5

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7.3K

10

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Caller ID Display on outgoing calls

Rather than using an autoattendant to pickup our calls, we use a hunt group in the office for everyone but the two principals in our business.  When anyone makes an outgoing call, it displays "HG" instead of our buisiness name or phone number.  In looking over our Caller ID settings, each user is se

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5.1K

7

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Disabling call waiting

Hello,Our business gets a lot of phone calls on a day-to-day basis, and the call waiting tone is very disruptive and sometimes causes us to not hear exactly what the customer is saying. We wish to disable the feature completely and have the customer receive a busy signal, as when it goes to voicemai

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15.8K

14

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How to do phone forwarding when the phone service is down.

All the forwarding instructions we found assume a working comcast phone line.  Due to weather conditions, Comcast services (phone, internet, ...) are down in our area.  We need to forward all call to out comcast numbers to our cell phones.  How can this be done?  I try to call the support number, bu

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4.2K

3

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Email Migration - Have some old messages - Can't receive any new messages

We migrated yesterday, even though we downloaded the Outlook Assistant and got the A-OK in that app, I still had to add the account following the directions in the Microsoft link from the email to get it to load in our Outlook 2010.  When I did, our old email inbox loaded (none of our folders or the

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4.3K

2

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Unable to Call Forward Always my number to out of state number

I'm am trying to Call Forward Always to an out of state phone # (New Jersey (201 area code) and I get a busy signal. If I enter a local number to forward to, (Texas - 281 or 832) it works. I've called into support and they don't know why and have escalated the issue to Tier 2. (Ticket # CR 030814734

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110

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