On my calls there is a constant beeping that frustrates my callers to no end. And, voices drop off so sometimes you only catch a few words in a sentence being said. i have chatted with their online "customer no-service" and they all tell me to do the same thing--disable my security--as well as other things that don't make sense and don't work. they also say they have done something to the magic jack phone number i have and it should now work. i am sick of them having me do ridiculous things that don't work. i am returning my MJ. I got it from office depot, so luckily there is a 30-day return policy. read full review »