On Mar 3, 2006, at 11:42 AM, Michael Sampson wrote:
It is my understanding that when you hear echo the problem is on the other end. So if a caller complains they hear echo that is something you should be dealing with, but if you hear echo that is the phone companies fault. Now with a normal phone, the phone company will only echo cancel long distance calls. For local calls the latency is not high enough to matter. But with VOIP the added latency creates echo even for local calls. I think the reason you hear it on some numbers and not others is that the phone companies are doing echo cancel on some of those calls and not on others.More likely some handsets are just louder, causing feedback through the far end mic.
Sometimes you can fix this by reducing the gain on your mic. ie if your mic is too amplified, it's too loud at the other end, and is picked up by the far end mic and sent back to you as an echo.
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