AT&T Community Forums

Does anyone know the IP address of the AT&T 3G Microcell device

It appears that I need to open serveral port on my router to make the unit work; however, I do not know the IP address of the device (I assume it is fixed) and it does not show up in either the network map of the computer or the status of devices/ports on my LinkSys WRT54GS router.

I have solid green indicators for:

Power

Internet

GPS

and a flashing signal indicator. ATT has been unsuccessful in resolving this after 2 days.

Any assistance in getting this working would be appreciated.

Responses

Avedis53

Professor

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2.2K Messages

10 years ago

Great to hear you've been able to get the Mcell working for you!

You can see why I don't take the information that port testing software provides as the truth as it can indicate that a port is blocked when in fact it is open. There are several technical reasons why this happens and I won't bother to go into them here. Suffice to say that there are enough variables envolved in port scanning to question the accuracy of the results of any port checker software.

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dgunter1434

Contributor

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3 Messages

8 years ago

Hi, Hoping you can help.

I am using Windstream for Internet and it will not aloow SMS or Data through the Microcell. I have opened the ports in the Modem and also made the MAC address static. I still recieve no data. Any ideas what to try next?

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formerlyknownas

ACE - Sage

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117K Messages

8 years ago

@dgunter1434

the microcell is for voice calls. Data should run through your router and is not through the microcell.

Are you you able to connect to the microcell for voice calls?

More info from out resident expert...

https://forums.att.com/t5/Community-Blog/OttoPylot-My-3G-Microcell-Technical-Guide/ba-p/4033324

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dgunter1434

Contributor

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3 Messages

8 years ago

I shoul b abl to gt SMS. I for 10 years with TruVista and now with Windstream I can't

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OttoPylot

ACE - Expert

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24.2K Messages

8 years ago

What kind of phone do you have?

Do you leave WiFi enabled on your phone?

Were you using a MicroCell with TruVista?

Can you make voice calls with no problems?

The MicroCell should not be used as your internet connection only. It is meant primarily for voice. Depending on the phone, data will be sent thru your WiFi connection and only voice will be handled by the MicroCell, unless you have an iPhone 6 or greater, then you can use WiFi Calling (WiFi-C).

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dgunter1434

Contributor

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3 Messages

8 years ago

All kinds of Phones. This has nothing to do with a phone. I was using a Microcell with TruVista. The main thing is I work in a work group that uses texting all the time. When you send to multiplle people it becomes an MMS and this is data for AT&T. Now since switching to WS I no longer get MMS.

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OttoPylot

ACE - Expert

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24.2K Messages

8 years ago

The most common issue with Andorid-based phones is MMS/SMS. Occassionally, it will happen to an iPhone but usually a resetting of the networks settings corrects the issue. I have no problem with MMS/SMS on my iPhone. In fact, I just sent some pics and messages to my niece in India and they went thru just fine via the MicroCell. A little slower than normal but they were sent and received fine. An Android-based phone can be working just fine but quite often will develop MMS/SMS issues after an OS update.

I will assume that you leave WiFi on all of the time. We recommend that.

If you had no issues at all with TruVista, you haven't made any setup changes (location of the MicroCell) and now you have issues with Windstream, I would look into your Windstream settings or contact them because not all ISP's handle MMS/SMS the same. And some ISP-provided routers just don't play nice with the MicroCell due to default settings.

How many people at any given time are using a single MicroCell? Do you see the same problem when only one person is using the MicroCell? Again, how Windstream handles the VoIP traffic could be a factor. I believe that the white MicroCells can have up to 5 simultaneous calls at one time, unless that has increased. It's been awhile since I looked into that.

If all of the lights on the MicroCell are a solid green (power, GPS, ethernet, 3G), and none of them are blinking or blink when you attempt MMS/SMS, and voice only calls are fine, then the MicroCell is working as designed and that points back to the new hardware and/or how Windstream has your connection configured.

Have you tried a hard reset of the MicroCell? Turn off the power, push a paperclip into the reset button on the back, and while holding in the button, restore power. Keep pushing in the button for about 30 seconds more and then release it. That will force the MicroCell back to factory defaults and start the Initial Activation process all over again. You don't have to do anything with your myAT&T MicroCell again because the unit is already registered.

Have you confirmed that all of the minimum router settings are being met with the new ISP/hardware?

With multiple phones this sounds like a business environment and not a home environment. Business environments can be difficult because a lot of times the end-user doesn't have control over the network and settings, the IT Department does, and if ISP's have been changed, there may be some network settings changed to accomodate the business requirements for the new ISP.

Without more details about how the MicroCell is setup, hardware used, number of users, etc it's difficult for us to troubleshoot accurately.

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ATTMobilityCare

Community Support

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15.2K Messages

8 years ago

Hello Community!

One of the most common topics we see on the forums is regarding the Microcell. Specifically, how to identify and understand the differences between the LED light indicators on the device as well as troubleshooting steps to resolve any issues.

The information contained below is a combination of the great community content, as well as information provided by our Advanced Technical Support team that supports the Microcell every day.

MicroCell LED Guide

Power LED

Off– No power to MicroCell.
Solid Green– Microcell has power.
Solid Red– MicroCell is either still powering up or is in an error state. Please unplug the MicroCell from power and plug it back in. If the LED remains red, please try an alternate power outlet or alternate power cable. You can also test the ac adapter with a voltmeter. It should read 16VDC ± 0.5. If not, replace the adapter with one of the exact same power rating.

Ethernet LED

Off– No Ethernet cable connected. Please make sure both sides of the Ethernet cable are firmly attached. One side should be plugged into the Ethernet port on the MicroCell and one side should be plugged into an Ethernet port on the modem or router. Ethernet cables should click when inserted into an Ethernet port. If the LED does not light when both sides are firmly attached, please try an alternate Ethernet cable. The MicroCell has been tested and works with Ethernet cables up to 15 feet long.
Solid Green– The Ethernet cable is connected and the MicroCell has been assigned a valid IP address.
Flashing Green– The Ethernet cable is connected but the MicroCell has not been assigned a valid IP address. Please power cycle the modem, then router, then MicroCell in that order. If the Ethernet LED continues to flash, please ensure DHCP is enabled on the modem or router. The MicroCell requires DHCP to work.

GPS LED

Off– No location check is being performed at this time. The MicroCell is either unplugged or is going through activation.
Flashing Green– The MicroCell is performing a location check. It is scanning both for GPS satellites and for local cell sites.
Solid Green– The MicroCell has completed the location check.

Computer LED (only on white model MicroCells)

Off– Nothing is plugged into the computer port.
Flashing Green– Traffic is passing through the MicroCell.
Solid Green– No traffic is passing through the MicroCell.
If continued issues occur, it is recommended to not use the Computer Port because of potential issues with the connected computer’s internet settings.

Network or 3G LED

Off– The MicroCell is not activated. It is either powered off or going through activation.
Flashing Green– The MicroCell is not activated. It is going through activation or is experiencing a connectivity issue. Please wait 90 minutes after registration. If the 3G LED continues to flash after 90 minutes, please review the Firewall & Router settingsand make sure the modem or router are appropriately configured for use with a MicroCell.
Flashing Red– The MicroCell has failed the location check. Please ensure the MicroCell is registered to the correct address. Please power cycle the MicroCell to trigger a new location check. It may also help to relocate the MicroCell to a location with a clear view of the sky. If the MicroCell fails the second location check, please contact AT&T Customer Care.
Solid Green– The MicroCell is fully activated and is broadcasting signal.

We also have comprehensive Video content to help you navigate any issues you might be having:

Note: A failing AC adapter can affect any of the LED lights so it’s always a good idea to check the adapter with a voltmeter, especially if the MicroCell is a few years old or you have experienced numerous or unexpected power outages.

You can also find a full list of Microcell support by visiting our Microcell support site!

Thanks again for all your fantastic questions and support, and please comment below if there is anything we’ve missed!

Katie, Community Specialist

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