What is Whistle?

Whistlephone is a VoIP app designed to make your life a little easier. Available for Mac, PC, and iOS, Whistle allows you to make calls and text over WiFi or 3G networks for a low, flat rate. Here's what you can get with us:

  • Make and receive domestic and international calls
  • Make and receive Whistle-to-Whistle calls
  • Send and receive text messages domestically or Whistle-to-Whistle
  • Voicemail access with customizable greeting
  • Align all your phone numbers with Whistle's forwarding service so you never miss a call!
  • Receive Push notifications for incoming texts or calls
  • Always-encrypted, highly secure Whistle-to-Whistle calls with HD voice quality support

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