Airtel Completes 9 Years of its Hello Tune Service
Introduced by Airtel in India, the popular Hello tune services complete 9 years of their presence in the country. Over the years they have become more personalized and successfully acquired 50 million users in the Indian market thereby registering 20% growth year on year. The service behind the popular Hello Tunes is the Caller ring back tone service (CRBT), first deployed by South Korean Telecom, which made a use of... Read More