Airtel Call Home service is the worst internet calling card service there is out there. Here are my list of woes: - Call Quality is very bad. There is severe echo in every call so much so that one cannot have a normal conversation - Call does not connect every time - If you sign up with them they will add you to their mailing list and spam you for eternity. The only way to contact them to remove yourself is by calling. Guess what called twice and still getting spam. Airtel should not be allowed to operate in the US - they have the worst customer service that i have seen anywhere. There are others out there who provide a much better service. read full review »