I'm having the exact same issue. Its really getting on my nerves! In my case my ATA is connected to my QOS router and I'm not certain if the router is the cause (it's been up and running for 3 months ...
I live in Quebec and I recently got Vonage service, but I wanted to know if the 911 service would still be active on my disconnected Bell phone line (I still have dial-tone on the line)
...
1 Unlimited calling and other services for all residential plans are based on normal residential use by single-family household members. A combination of factors are used to determine abnormal use, including but not limited to: the number of unique numbers called, international calls forwarded, minutes used and other factors. Subject to our Reasonable Use Policy and Terms of Service.
HIGH SPEED INTERNET REQUIRED. † LIMITED TIME OFFER, VALID FOR NEW LINES ONLY. RATES EXCLUDE INTERNET SERVICE, SURCHARGES, FEES AND TAXES. As a subscriber to Vonage service, you agree to be bound by the Terms of Service. See www.vonage.com/tos for details. ¤ Where available. The number transfer process takes approximately 10 business days from the time you confirm your transfer request. Alarms, TTY and other systems may not be compatible. Vonage 911 service operates differently than traditional 911. See www.vonage.com/911 for details.
Thinking of signing up for Vonage but have questions? Business and Residential customers can call Toll Free 24 hours a day at: 1-888-692-8074 No Vonage Promotional Codes or Coupon Codes are required at www.vonage.com.
The Vonage Forum provides the Vonage sign up Best Offer Promotion Deal as a means to offset
our cost. If you are considering signing up for Vonage and have found our Vonage
News, Customer Reviews, Forums & all other parts of this site useful, please
use our Vonage FREE Month sign up offer Deal Coupon.
Vonage VoIP Phone Service is redefining communications by offering consumers & small business VoIP Internet phones, an affordable alternative to traditional phone service.
The Vonage VoIP Forum Generated This Page In: 0.44 Seconds and 571 Pages In The Last 60 Seconds The Vonage VoIP Forum
Members
New 
New Today 2
Yesterday 18
Total 63400
Who Is On Site
Visitors 170
Members 0
Total 170
-0.01