Swapping sims to save big bucks on calls abroad – CNET News
Swapping sims to save big bucks on calls abroad
CNET News, CA
Wi-Fi is a great way to check e-mail or make cheap phone calls using services like Skype. But you must have a phone that has Wi-Fi built in. And you must be in a Wi-Fi hot spot. Skype uses the Internet to allow people to make free or very inexpensive …