In which year Bharti Airtel has launched an HD voice service in Africa?
Others answers (1)
- eAnswers...Mar 8, 2015
In the year 2013 on March Bharti Airtel has launched 5 HD voice service in Africa. With the launch of service Airtel becomes the third operator to launch a mobile HD voice service in Africa. The benefit of an HD voice service is that, customers can talk normally and be heard clearly, without having to raise their voice, even in noisier environments. Mobile HD voice enables high quality voice calls because it reduces the background noise often heard on a regular call. It is basically based on AMR (Adaptive Multi Rate) wideband technology (W-AMR) which operates with nine different bit rates, providing high quality voice calls.
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