Callback tune

I composed a simple piece using the telephone ring and I wanted to keep it as my callback tune or hello tunes (Meaning the caller will hear this tune instead of the normal tring tring). Unfortunately Airtel doesn't allow custom tunes in Song catcher. It just matches the recorded tune with its database and then if there is a suitable match, it will set it as hello tune. So I then tried setting it as my ringtone on my mobile - Motorazr v3i. But unfortunately it changes the audio levels and only the ring sound is louder. Here is the composition. Let me know your views on this composition.

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