We have been using magic jack for 2 weeks and voice delay on out and in coming phone calls is terrible it takes about 20- 50 seconds to work. They also have no where to call to complain about service, so if your interested in this product make sure you can get a phone number to get with cusomer service for Help, but you will not find a way Sorry Bag this Product If you find a way to correct this problem please let me and ever one else out here how to correct it. Or if I can help in any way let me know.