The below provides a quick overview of the user submitted reviews for AT&T.
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AT&T are probably the largest company in the US that provide a VoIP service. There are few consumers in the US who have not used an AT&T service in their life - from cellular service to broadband and TV service provider they have an enormous customer base. AT&T is unique in how they have implemented their VoIP service. Every other provider uses an ATA connected to a modem and then out to the internet via DSL or cable, AT&T are unique in that instead of going through a modem they go wirelessly from the ATA to their own cellular network. There are two main advantages of this, AT&T own the whole network and do not rely on Internet service providers and it makes your phone service highly portable, working wherever you can get AT&T cellular coverage. The main disadvantages are that a consumer needs to make sure they have AT&T cellular coverage where they want the service and there is no capability to send Fax's, hook up alarms systems - basically you cannot transfer any sort of data.
AT&T have three different plans. One aimed at home phone service, one aimed at small business owners and one plan targeted at the enterprise customer. The home phone service is $20 per month or $9.99 if you add it to you cellular plan as an additional line. Typical features such as call forwarding, caller ID, conference calling, etc. are all included for free. The two other plans offered by AT&T are targeted at business owners and is covered in our business VoIP reviews section
AT&T have over 25 reviews which is a pretty good sample size for you to judge the quality of their service. Ease of ordering and feature set seem to be the big plusses with customer service seeming to be a constant pain point. If you have experience with this provider then please complete our simple review form to add your ratings and comments using the links on this page.
...We had u-verse (bundled cable,internet & telephone service) installed January 11,2012....
AT&T reviews are listed in chronological order. Use the summary table opposite to filter on review types.
#26 : MAR 27th, 2012 : Judy
We had u-verse (bundled cable,internet & telephone service) installed January 11,2012. Since that day we have had problems with our telephone & fax service. We have called Customer Service (should be called Absolutely No Customer Service) numerous times. They in turn would connect us to Tech Support, who can never help fix any problem, and then a Service Tech would be sent to our house. Last week,Mar. 19th,we have called daily the manager in Greenville, SC. He has yet to return one of our calls. We still cannot make or receive calls or fax. We are at our wits end. We can not talk to anyone with authority at AT&T. This is absolutely the worse telephone service we have ever had. If you are thinking of U- verse and a bundle package, I would advise you to NOT bundle your telephone service. AT&T has not mastered wireless telephone service.
#25 : DEC 29th, 2011 : LK
After 2 months we still do NOT have usable VoIP from AT&T. We've spent hours on the phone with them and they are billing us, but the phone has NEVER worked. We just "upgraded" our Internet and tried to bundle the phone service - Comcast worked although they have shady billing so we are continuing to look for alternate providers.
#24 : JAN 29th, 2011 : Randy
In spite of their Class Action suit - their customer support is badly lacking. We encountered terrible quality to Egypt and even worse response to get it fixed. I was told to send emails with specifics and never once did I get a reply or credit for bad quality. When I canceled today - I was assessed a penalty for early termination and one for disconnect. I was told over the phone there were no penalties or disconnect fees but it was my bad for not getting it in writing. I'm headed back to PhonePower!
#23 : MAY 5th, 2010 : Fred
This is a new install as a replacement for a 23 channel PRI. AT&T Convinced me to convert to their "Business in a box". That was Friday, It's wednesday and we have been down on and off since then. I spend almost 5K a month with AT&T and can't wait until my contracts expire so I can bail from these people. Nothing but problems since the install and their tech support is terrible.
#22 : MAR 12th, 2010 : Tim
Had this installed in my office (business) in August. AT&T was supposed to have NCR do installation, they NEVER SHOWED UP! The T1 line failed after heavy rains due to old infrastructure - - - repair person said they had dried out the trunk line at the same spot just 12 months earlier, indicated the immediate lines and boxes were ancient and in desperate need of upgrade. Service crashed again about 45 days later, my business was without phone service for two days - - - first day was when it rained, the second day was 45 days later when equipment installed in my office crashed. I had to escallate this to the highest level of management at AT&T. Sound quality waivered and required AT&T to "tweek" settings with little to no improvement. The final straw was today (7 months from install) when a network failure caused crash of all 8 phone lines in to my office! On top of all of this AT&T fouled up the billing and it took months to get that straight. My opinion is to stay as far away from AT&T voip as possible. It appears they rushed the product to market and it has proven to be completely unreliable form the start. On top of it AT&T service has been bad - - - until I escalated the problem to the highest level of management did I get any kind of help or service. I am attempting to get out of my 3 YEAR contract and moving to another phone provider with regular, RELIABLE phone service form a company that appreciates it's customers. This has been a disaster for my business!
#21 : MAR 8th, 2010 : Abdalraheem
#20 : AUG 28th, 2008 : CAROL
Have had this for only 2 weeks. I get a lot of clicking in the evening. last night my caller had to call me 4 times before she could hear me. AT&T doesn't know what the problem is, they just have you check your speed. When it works the voice quality is loud and clear on my end, by people calling me say my voice keeps breaking up. On my 2nd modem with them, same results.
#19 : OCT 3rd, 2007 : Watchdog
I have been a Callvantage customer for years. Yesterday, I had a few calls from NRK in Norway. I had the Callvantage system set to ring both cell phones and the TA, with 2, 2-line handsets connected. Nothing rang. Alf had reached my voice mailbox 3 times. I had to make 3 more international calls, because the first 2 calls were dropped. All the calls I make through ATT Callvantage, including those I picked up on the cell phone, have unacceptable time delays. It reminds me of the days of simplex carphones. Alf in Norway, called my cellphone directly, and to the surprise of both of us, the delay was unperceivable. All the equipment was the same, except for the ATT Callvantage routing. Audio quality is quite good, except for the random packet dropout problem, and this varies not only from day to day, but also hour to hour. In the case of the calls to Norway, Alf, an engineer with NRK, reported only be able to hear one out of three syllables. I use PingPlotter Pro software to analyze our internet connections. I set PingPlotter Pro to ping every second, and it indicated that the connection through all nodes was ok, latency was less than 19 ms (worst case) and router flap was virtually non-existent. This left only ATT Callvantage servers in the loop. 2 Years ago, ATT did not bother to tell me that the TA I was using was replaced the previous year, because it could not handle the increased speed of the Comcast cable connection. Instead, they let me call and report dropped calls and voice dropouts for months. It was only after I threatened to discontinue service that I was allowed to speak with someone in a higher service tier. Connection speed is unpredictable. Speech quality is acceptable, but this is offset by voice dropouts. Better foreword error correction is necessary. You would think that service would improve, but keeping the bottom line high appears to be more important than keeping their customers on top. PS It is 5:02 pm est, and I just received another business call that was dropped after 6 minutes. I called my own number, and received my voice mailbox after 2 rings. I will be quitting service soon. You cannot run a business with ATT Callvantage. My six year old might enjoy it, however.
#18 : AUG 2nd, 2007 : Jeff Kirk
WARNING!!!!!!!!!!! The shortest wait time for customer service was 15 minutes the longest was 32 minutes. Tried to e-mail for service and after waiting 2 business days the e mail response was to call customer service. If there service works great but if you have any trouble you will need to call in sick at work for a day or two to be able to talk to there service people.
#17 : APR 26th, 2007 : Mike
All great except they (AT&T) has pulled the plug on A911 service and is abandoning my service area. Feature for feature ATT offers the best product and value
#16 : OCT 1st, 2006 : Voip user
I had Comcast cable I was waiting for anything to come along so as not to use them. Comcast cable was slower than dialup certain times of the day and night. anyway, online I ordered DSL from ATT, received modem in two days from ordering. That same night I ordered Callvantage online within five days their TA (telephone adapter) was delivered. Easy to set up, easy to read instructions, just do exactly what they say to do. I was up and running in 5 days with DSL and VOIP. Online VOIP website, I selected that I wanted another phone number and did not port my home phone which DSL is installed on. If like my friend you ported the number and you have DSL on that number ATT cannot use it for Callvantage and while they were porting he had no house phone. (as soon as you port it they turn it off. bad move. anyway, he bought a prepaid cell phone to get him through. You will have to have ATT give you a dedicated line if you ported your number to Callvantage. ...I dont understand this but my friend only has one phone number for DSL and Callvantage where I have two phone numbers. Still cheaper than Comcast and especially so when I tell Verizon cell phone to quit service of their 2000 minutes for 117.00.per month billing. A saving of 1200.00 per year for long distance calling. Now with Callvantage I can make calls from anywhere as long as I have my TA box. ( I heard that you can change the software and not even take the box)...I am looking into this.
#15 : JUN 21st, 2006 : Robert
I've had this service for almost 2 years now. At the beginning, there were some issues with the sound quality, but I haven't noticed it for some time. The price was a little high, but they were the only game in town when I first selected the service. The only real problem I have had with the service is the adapter resetting itself too often. I've called and complained, but as usual customer service on a REAL technical issue was greatly lacking. They tried to blame the phone that was attached through the jack, although it was an AT&T phone. Also, I've had a few dropped calls, but it doesn't happen very much.
#14 : MAR 27th, 2006 : Ed
#13 : MAR 10th, 2006 : Cs
If you want to port your old landline number and you have a ringmaster number, you must remove this service COMPLETEY, before the port order will go thru. Service has been great and I do recommend you getting a 5.8 GHz phone if you want a crystal clear conversation.
#12 : DEC 30th, 2005 : Cesteele
I had this service for almost one year didnt have problems at first, but the last few months the sound quality got worse and worse. I had to use my cell phone to make calls because no one could understand me, they would catch every other word. There was a mix up in their billing and they forgot to bill one month and double billed the next month. I thought it was duplicate and had my bank check it out and in meantime they had message at customer service about problem. Visa made a mistake and rejected it , but the money was taken out of the account it was never credited back to me as they realized it was not an error. But AT&T billed me again. I tried to 3 way the bank to explain the error was Visa and the money was sent and pulled out of my account. They refused to credit me and still to this day, I paid twice and I asked them if that money was more important than keeping me as a customer, I guess it was. Besides the sound got worse and worse. I wouldn't recommend.
#11 : DEC 9th, 2005 : Alicia27
This was the worst experience I have ever had with a company!!! My service was down for over a month straight. They wanted me to be in front of my computer and adapter when I called... but there was no way I was going to call them on my cell phone, with an average wait time of over thirty minutes before speaking to a representative. Their technical support staff had no clue what was going on, and customer service would not credit my account for the time it was not working. I am still getting bills from three months after I cancelled my service! I would NEVER use this service again!
#10 : NOV 24th, 2005 : Estople
When we bought the service, it wouldn't connect. The customer service rep. was knowledgable, helpful and patient, getting our routing problems sorted out in less than a half hour. Since, the service has been flawless, flexible and reliable. It interfaces with our AT&T Partner Plus system perfectly, including caller ID, fax and MODEM. Clear and low latency, worth the extra cost.
#9 : NOV 9th, 2005 : BL437
ATT Callvantage has been great! The setup was very easy and I have experienced very few problems. Every now and then a call might get forwarded to voice mail, but I suspect that is a broadband issue. Customer service was excellent. They over-nighted a new VoIP gateway at no charge when my box was fried during a storm. The features available are outstanding and I really like being able to control the setup online. A friend has Vonage and experiences problems with voice quality and the online features are inferior to ATT.
#8 : OCT 28th, 2005 : John
For the extra dollars go with ATT over Vonage. I have been having problems with Vonage for the past 12 months out of 13 months. I have talked to CSR and tier support and no one has been able to help. I did request a refund but they still have not respond back to me. I have also sent emails with no answer. I hate wasting money on something like this and it not work. I am hoping that Vonage will cancel my account sometime soon or I may have to cancel my card so that they stop taking money from me.
#7 : OCT 24th, 2005 : Anonymous
I have been a CallVantage customer for more than 1 year (in the process of switching to Vonage). I use the service primarily for dialing out... However, I have found that anyone who called me on my CV number was getting forwarded to my control by phone menu and asked to input the password. The phone didn't ring, and they were not able to leave a message. (AND THIS WASN'T AN ISP PROBLEM) It took their customer service more than 4 weeks to partially correct this problem so that now when people call it forwards directly to VM.... still no ringing to this day. I'm convinced it's a hardware issue. I have the old DLink MGCP hardware and they will not change it out for me to keep me as a customer.
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