Whistle Phone® - Available for the iPad, iPod Touch, iPhone, Mac, and PC.Unlimited Texting, Anyone? Send and receive unlimited texts to and from anyone in the contiguous US! Leave a Message at the ‘Beep!’ Customize your Whistle voicemail and never miss what someone has to say. Receive Calls Anytime Push notifications will alert you when a call arrives - even if your mobile or tablet device is asleep.
Skype － インターネットで無料および格安の通話を発信
