によって書かれた Vail Systems, Inc. on 2024-01-23
1. On your own customized phone number, you can make and receive unlimited texts from high-definition and secure calls to other Whistle users.
2. Whistle Phone is an app for calling or texting your family and friends for free over Wifi or your mobile data plan.
3. Please direct comments on bug fixes or feature requests to either [email protected] or to our support site at We do really want to hear from you and we've set up these forums to address your thoughts directly.
4. You can also make inexpensive calls to landlines and cell phones or text anyone in the US for a fraction of your regular rate when you go Premium.
5. And, if you need to make calls anywhere in the world, we've got extremely low rates.
6. Using the built-in speakers and mic at the same time may cause echo.
7. And, one note: Your best experience is going to be with headphones.
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