I too am having problems with echo being heard by anyone talking to us from a cell phone. Also, I sometimes get what sounds like the very start of microphone feedback, where it sounds like hollow tunnel, but it never gets to the point of where you get the high pitched sound. Again, this only happens with cell phones.
I thought it might be my phones, so I tried calls from both my trusty old AT&T Trimline phone from the 80's and my Uniden cordless phone. Both experience the same problem.
We are not happy about this as we never saw either problem with AT&T CallVantage VoIP![]()
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