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Review by marvista 
UPDATED: 264 days ago
member for 3.1 years, 30 visits, last login: 5 days ago
 Del Mar,San Diego,CA
 $10 per month (24 month contract)
 about 5 days
 "cheaper than full featured VOIP providers"
 "unreliable, missing many features compared with other VOIP providers"
 "view my 2 year commitment as a mistake"
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I've been using tmobile@home for about 6 months, and overall the service has been unreliable and customer service has been frustrating.
In addition, the service is missing lots of features compared to other VOIP solutions:
No web interface to manage features, and very limited advanced features. You can call customer service, and spend 10 minutes getting someone to adjust forwarding, but that's about it. No call blocking based on number. No sending voice mails as an email. No simultaneous ring. No computer dialing interface. Will not support sending faxes, even at low speed. No *67 or other caller ID blocking features. Can't see call history until the monthly bill gets generated. Prohibitively expensive international per minute charge, even to Canada.
The service has gone down for some reason or other every week or two. Sometimes just rebooting the router fixes things, although that is not something my wife wants to deal with. Other times, I have to call customer service, which is a real pain. A few people are competent, many don't understand why the problem is occurring and they first blame my ISP. I've run their bandwidth test more times than I could count, and it always shows acceptable performance, so then they revert to blaming my desktop phone. Funny how that phone works fine with AT&T, never had a problem with Vonage or Broadvoice, and even works fine with Magicjack, but they insist it must be the cause of failures with T-Mobile.
The linksys router that comes with was supposed to be the source of many of the problems, but the automatic firmware upgrade didn't seem to go well, and it took about 4 hours on the phone with t-mobile and then linksys to get calls working again. I have also noted that the web i/f on the router has the slowest response time of any router I have used in the last 10 years.
Overall I'd have to say that call quality and uptime has been similar to what I experienced with Vonage and Broadvoice, that is to say much worse than POTS with AT&T. Interestingly enough, the best VOIP experience I have had so far is with magicjack, which is very limited in terms of advanced features, but seems to make calls without trouble.
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