HD Voice market size is forecast to reach $7.1 billion by 2025, growing at CAGR 20 % during 2020-2025 owing to the increase in high speed fiber optic fixed broadband subscriptions opted by small and medium enterprises in developing economies. The growing number of LTE subscribers globally and the upcoming 5G technology to assist the market growth as well avail new opportunities to HD voice market during 2020-2025