Microcell green 3G light blinking after 1 year - no resolution. Looking for suggestions please.

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@Otto Pylot wrote:

.....but if you do get it fixed, please let us know. You can PM me if you want.

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for sure!

I've spent months speaking to both AT&T managers and TWC regional manager and their tech support team.  I'm on my 4th replacment microcell from AT&T and they've exhausted all avenues.  I also had Netgear send me replacment router to no avail. They have also held conference calls with AT&T and TWC regional tech support team who had Microcell connected directly to TWC modem and router and connected just fine through computer online, but AT&T still saying Port 4500 blocked.

ATT has confirmed their Microcell is not compatible with Time Warner Cable. They don't use assymetric service- doesn't give "priority" on their residential TWC servers. Everyone needs to complain to both companies!!

Everyone needs to call, post and complain!!  Rumor that Comcast may be buying out TWC?  Maybe that will be better??

Check out this post s well and keep calling, posting and complaining until something is done!

http://forums.att.com/t5/3G-MicroCell/3G-Microcell-stopped-working-maybe-Insight-Time-Warner-recent/m-p/3845247/highlight/false#M12437

First of all, it doesn't do any good to post rumors (Comcast buying out TWC) because if that turns out to be true, it will be months before anything happens and probably longer than that until we know how the MicroCell will work via Comcast on whatever back-end TWC has.

Second, TWC and AT&T are working on figuring out what the issue is because it appears to be localized to the KY area only. The blanket statement that TWC and the MicroCell are not compatible has to be taken with a grain of salt. I've not seen any TWC/MicroCell issues reported from other areas of the country, yet.

You're also posting the same thing in two different threads. It would be best to keep your posts to one thread to make it easier to follow and respond to.

FWIW I'm also still without resolution. AT&T insisted it was my employer blocking mine. The employer insists that it's AT&T. Ultimately AT&T decided it was a "faulty device" (even though it worked at home) and sent a new one, which also works at home, but not at work. I've given up. I'll just wait out my contract. I can't continue to be wihtout a phone at work, indefinitely.  Hope yours gets resolved.

Wow. It's been awhile since you posted back. Sorry that it didn't work out. If either MicroCell works at home, but not at work, then there's something unique, or wrong, with the connection from work to AT&T. I forget but who is you ISP (home and work). I know we can't use MicroCell's at work because IT won't allow them so I have no realiable cell phone coverage in my office (which is in the basement) other than messaging. Fortunately I have a Cisco VOIP desk phone so I can still get calls.

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@Otto Pylot wrote:

Wow. It's been awhile since you posted back. Sorry that it didn't work out. If either MicroCell works at home, but not at work, then there's something unique, or wrong, with the connection from work to AT&T. I forget but who is you ISP (home and work). I know we can't use MicroCell's at work because IT won't allow them so I have no realiable cell phone coverage in my office (which is in the basement) other than messaging. Fortunately I have a Cisco VOIP desk phone so I can still get calls.

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Yes, the wheels grind slowly.... Yes, BOTH MCs work at home and neither works at work...so clearly it's not a defective unit. Home is comcast, work is the university so no idea... 

They *say* we are getting VOIP (we don't have landlines) soon, so that should help. Work IT has been trying to be helpful, but they don't quite get it.  I'm sure it was some change in firewall or some such thing that caused it to stop working back in May. But I've given up.

That's right. You're at the University. It's odd. The MicroCell is a Cisco product, we have Cisco IP phones, and our data lines are all AT&T, but yet, the MicroCell won't work for us at work even though the MicroCell is a Cisco product. I'm thinking, for us at least, it's a contractural thing more than a technological thing. You're probably correct in that there is some sort of firewall that is preventing VOIP calls from your work. It would make sense on a University level (my wife has a similar issue and she also works for a University) because who knows what the students would or would not do without firewalls to prevent access to certain ports.

If you are connecting via a router try changing your DNS to open source on the router. I changed mine to  208.67.222.222 and 208.67.220.220.  After 2 weeks of no service and no help from tech support this worked for me. 

You've responded to a 6 month old post in which the OP never got back to us. However, changing the DNS might work in a case like this.