Call Voice Changer funktioniert nicht

Change your voice in real time and add crazy sound effects the next time you're on the phone with Call Voice Changer - IntCall.  "We heard my brother answering the phone in the next room... * Spice up calls: Play fun sound effects like cartoon characters, birthday songs, greeting in different languages and much more!  Turn your next phone call into a hilarious experience… download Call Voice Changer - IntCall now!  Call Voice Change subscription is FREE TO TRY for 3 days, so you can verify the app meets your expectations.  Any unused portion of a free trial period, if offered, will be forfeited when the user repurchases a subscription.  Your account will be recharged when your subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period.  Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase.  Note that calls are placed over the internet using VOIP so make sure you have a strong internet connection before using the app.  It's the ultimate app for making funny phone calls.  Want to have some fun with your friends over phone calls?  Make your voice high and funny or deep and creepy at the touch of a button.  Payment will be charged to your iTunes Account once you confirm your purchase.  -- The funniest app in the world!  Over 10,000,000 downloads!!!