Whistle App for the iPad


The Whistle app will allow you to make free calls or your iPad, iPhone or iPod touch. Whistle brings mobile VoIP calling with you anywhere you can receive a WiFi or 3G signal. You can call anyone in the continental US from anywhere in the world absolutely FREE.

Whistle Features:

  • Call anyone in the continental US from anywhere in the world absolutely FREE.
  • Make calls with clear quality.
  • Configure Whistle with any SIP service to make calls.
  • Receive calls when you have the application running.
  • Configure Whistle with Whistle Service in one easy step.
  • Free Whistle to Whistle calls.
  • Make International calls over the internet with low calling rates.
  • Enjoy Ad-Free Whistle service when you add Whistle credit to your account through in app purchases.
  • Utilize Apple’s Bonjour technology to automatically discover and call Whistle users on your WiFi network
  • Create 3 way conference calls with a click of a button
  • Mute and Hold callers with Whistle’s 2-line setup
  • Connects with your iPhone or iPod Touch Address book

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