I have a N4 and I'm not noticing the issue at all. I've been using Vonage and GrooveIP. I would normally pick up on it from the 3 years of VoIP and other real

I have a N4 and I'm not noticing the issue at all. I've been using Vonage and GrooveIP. I would normally pick up on it from the 3 years of VoIP and other real time audio work I did. I didn't get a chance to read everything but as a I recall some of the codecs used could have some serious echo side effects. Did someone mention the codecs being used?