What is HD Voice?
HD Voice refers to next-generation technology which offers significantly higher voice quality for calls using mobile phones providing an improved user-experience. HD Voice helps you to communicate better without any noisy interruptions by filtering background noise through advanced noise cancellation features.
HD Voice compatible devices are smart phones/devices listing "Supports WB-AMR (Wide Band – Adaptive Multi Rate) or G.722.2". In addition, both caller and receiver should have HD compatible devices and HD-enabled 3G or 2G network.
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