- Average user rating: 3.0 stars out of 63 reviews Back to product review
- My rating: 0 stars Write review
User reviews
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11 out of 13 people found this review helpful
1.0 stars
"Polite Support, Phone Line's a JOKE"
Pros: ATT Name, supposed low cost for long distance, low international calling.
Cons: Everything else: Internet Freezes, Call drops, No dial tone, bad dialtone, choppy voice
Summary: I've had this service for about 8 months now ... read more
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6 out of 7 people found this review helpful
4.5 stars
Pros: Excellent call quality that rivals traditional land lines
Cons: AT&T's automated customer support
Summary: After having had ATT Callvantage for over a y... read more
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5 out of 5 people found this review helpful
3.5 stars
"I'm happy overall with the service, but will look at Vonage when the offer local area code"
Pros: Very clear quality calls; good, loud, clear volume
Cons: cannot port number; priced higher than other VoIP services
Summary: I chose AT&T because it's a big name comp... read more
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3 out of 3 people found this review helpful
4.0 stars
Pros: Great sound quality on both ends
Cons: Requires to dial area code first for some reason
Summary: My Setup:- Linksys Wireless G Router with the... read more
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5 out of 8 people found this review helpful
2.0 stars
"Poor service, disconnections, no one is accountable"
Pros: Probably the best of the worst
Cons: Unreliable, stick with your existing line
Summary: I have used the Callvantage service for a mon... read more

