(The following press release from Bharti Airtel Ltd. was received by 
e-mail. The sender verified the statement.) 
Airtel rolls out mobile HD voice service in Africa 
§       High quality voice services to be available to consumers in Kenya,
Rwanda, Malawi and Nigeria
§       Will complement the company?s state-of-the-art high speed data
networks and take user experience to the next level 
Nairobi (Kenya) / New Delhi, March 5, 2013 ? Bharti Airtel (?Airtel?), a
leading telecommunications services provider with operations in 20
countries across Asia and Africa, has announced the launch of the mobile
HD voice service for its subscribers in Africa. The development comes as
the first step in Airtel?s ambition to make mobile HD voice accessible in
all its operations across the continent.
HD voice is the most significant improvement in voice communications in
the past two decades. Mobile HD voice offers crystal clear audio quality
and will enhance user experience on Airtel mobile networks. ?Surveys
confirm that customers place a high value on HD Voice?, explains Andre
Beyers, the Chief Marketing Officer, Airtel Africa. ?The new service will
enrich end-user experience for Airtel subscribers?.
Mobile HD Voice enables high-quality voice calls because it reduces
background noise often heard on a regular call. Airtel customers on 3G
networks will experience a significant improvement in their voice
communications as the new service will enable them to hear better in noisy
To enjoy the maximum benefits of this new technology, both the calling and
the called party need an HD-Voice compatible mobile phone. However,
improvements in call quality are also perceived when using an HD
voice-enabled phone to call a non-HD Voice phone.
Mobile HD Voice based on AMR (Adaptive Multi Rate) Wideband technology
(W-AMR) operates with nine different bit rates, providing high-quality
voice calls. Compared to the current narrowband speech codec, the W-AMR
speech-compression algorithm doubles voice bandwidth and produces better
After years of trials, HD Voice services were launched in 2009 and they
are now available in 35 countries around the world. According to the
results of a recent survey, 96% of customers are satisfied with HD Voice
calls, hence the rapid pace of commercialization of the services across
the globe.
Airtel becomes the third operator to launch a mobile HD voice service in
Africa. The telecommunications company aims to make HD voice a reality on
the continent. Further launches will be scheduled in 2013.
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