New Delhi, Oct 24 (ANI): There are different ways to promote a film and superstar Aamir Khan, known for innovative promotional strategies, plans to pitch for Dhoom 3 by using the music of the movie as his caller tune. A source close to the actor says, "Aamir is keen to use the music as his caller tune. He usually does not keep any caller tune. However, his excitement over the songs of Dhoom 3 is very high. He is keen to share the music with everyone who reaches out to him and hence the idea of using it as a caller tune."