The benefit of HD voice service is that, customers can talk normally and be heard clearly, without having to raise their voice, even in noisier environments.
Advantages of HD Service
• Mobile HD voice enables high quality voice calls because it reduces the background noise often heard on a regular call.
• It is based on AMR (Adaptive Multi Rate) wideband technology (W-AMR) which operates with nine different bit rates, providing high quality voice calls.
• Compared to the current narrow-band speech codec device, the W-AMR speech-compression algorithm doubles voice bandwidth and produces better results.
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