1 Study Coverage 1.1 HD Voice Revenue in HD Voice Business (2017-2022) & (US$ Million) Introduction 1.2 Global HD Voice Outlook 2017 VS 2022 VS 2028 1.2.1 Global HD Voice Market Size for the Year 2017-2028 1.2.2 Global HD Voice Market Size for the Year 2017-2028 1.3 HD Voice Market Size, United States VS Global, 2017 VS 2022 VS 2028 1.3.1 The Market Share of United States HD Voice in Global, 2017 VS 2022 VS 2028 1.3.2 The Growth Rate of HD Voice Market Size, United States VS Global, 2017 VS 2022 VS 2028 1.4 HD Voice Market Dynamics 1.4.1 HD Voice Industry Trends 1.4.2 HD Voice Market Drivers 1.4.3 HD Voice Market Challenges 1.4.4 HD Voice Market Restraints 1.5 Study Objectives 1.6 Years Considered 2 HD Voice by Type 2.1 HD Voice Market Segment by Type 2.1.1 Paid Voice 2.1.2 Free Voice 2.2 Global HD Voice Market Size by Type (2017, 2022 & 2028) 2.3 Global HD Voice Market Size by Type (2017-2028) 2.4 United States HD Voice Market Size by Type (2017, 2022 & 2028) 2.5 United States HD Voice Market Size by Type (2017-2028) 3 HD Voice by Application 3.1 HD Voice Market Segment by Application 3.1.1 Commercial 3.1.2 Personal 3.2 Global HD Voice Market Size by Application (2017, 2022 & 2028) 3.3 Global HD Voice Market Size by Application (2017-2028) 3.4 United States HD Voice Market Size by Application (2017, 2022 & 2028) 3.5 United States HD Voice Market Size by Application (2017-2028) 4 Global HD Voice Competitor Landscape by Company 4.1 Global HD Voice Market Size by Company 4.1.1 Top Global HD Voice Companies Ranked by Revenue (2021) 4.1.2 Global HD Voice Revenue by Player (2017-2022) 4.2 Global HD Voice Concentration Ratio (CR) 4.2.1 HD Voice Market Concentration Ratio (CR) (2017-2022) 4.2.2 Global Top 5 and Top 10 Largest Companies of HD Voice in 2021 4.2.3 Global HD Voice Market Share by Company Type (Tier 1, Tier 2, and Tier 3) 4.3 Global HD Voice Headquarters, Revenue in HD Voice Business (2017-2022) & (US$ Million) Type 4.3.1 Global HD Voice Headquarters and Area Served 4.3.2 Global HD Voice Companies Revenue in HD Voice Business (2017-2022) & (US$ Million) Type 4.3.3 Date of International Companies Enter into HD Voice Market 4.4 Companies Mergers & Acquisitions, Expansion Plans 4.5 United States HD Voice Market Size by Company 4.5.1 Top HD Voice Players in United States, Ranked by Revenue (2021) 4.5.2 United States HD Voice Revenue by Players (2020, 2021 & 2022) 5 Global HD Voice Market Size by Region 5.1 Global HD Voice Market Size by Region: 2017 VS 2022 VS 2028 5.2 Global HD Voice Market Size by Region (2017-2028) 5.2.1 Global HD Voice Market Size by Region: 2017-2022 5.2.2 Global HD Voice Market Size by Region (2023-2028) 6 Segment in Region Level & Country Level 6.1 North America 6.1.1 North America HD Voice Market Size YoY Growth 2017-2028 6.1.2 North America HD Voice Market Facts & Figures by Country (2017, 2022 & 2028) 6.1.3 U.S. 6.1.4 Canada 6.2 Asia-Pacific 6.2.1 Asia-Pacific HD Voice Market Size YoY Growth 2017-2028 6.2.2 Asia-Pacific HD Voice Market Facts & Figures by Region (2017, 2022 & 2028) 6.2.3 China 6.2.4 Japan 6.2.5 South Korea 6.2.6 India 6.2.7 Australia 6.2.8 Taiwan 6.2.9 Indonesia 6.2.10 Thailand 6.2.11 Malaysia 6.2.12 Philippines 6.3 Europe 6.3.1 Europe HD Voice Market Size YoY Growth 2017-2028 6.3.2 Europe HD Voice Market Facts & Figures by Country (2017, 2022 & 2028) 6.3.3 Germany 6.3.4 France 6.3.5 U.K. 6.3.6 Italy 6.3.7 Russia 6.4 Latin America 6.4.1 Latin America HD Voice Market Size YoY Growth 2017-2028 6.4.2 Latin America HD Voice Market Facts & Figures by Country (2017, 2022 & 2028) 6.4.3 Mexico 6.4.4 Brazil 6.4.5 Argentina 6.5 Middle East and Africa 6.5.1 Middle East and Africa HD Voice Market Size YoY Growth 2017-2028 6.5.2 Middle East and Africa HD Voice Market Facts & Figures by Country (2017, 2022 & 2028) 6.5.3 Turkey 6.5.4 Saudi Arabia 6.5.5 UAE 7 Company Profiles 7.1 Ericsson 7.1.1 Ericsson Company Details 7.1.2 Ericsson Business Overview 7.1.3 Ericsson HD Voice Introduction 7.1.4 Ericsson Revenue in HD Voice Business (2017-2022) 7.1.5 Ericsson Recent Development 7.2 At & T 7.2.1 At & T Company Details 7.2.2 At & T Business Overview 7.2.3 At & T HD Voice Introduction 7.2.4 At & T Revenue in HD Voice Business (2017-2022) 7.2.5 At & T Recent Development 7.3 Orange 7.3.1 Orange Company Details 7.3.2 Orange Business Overview 7.3.3 Orange HD Voice Introduction 7.3.4 Orange Revenue in HD Voice Business (2017-2022) 7.3.5 Orange Recent Development 7.4 Verizon 7.4.1 Verizon Company Details 7.4.2 Verizon Business Overview 7.4.3 Verizon HD Voice Introduction 7.4.4 Verizon Revenue in HD Voice Business (2017-2022) 7.4.5 Verizon Recent Development 7.5 Polycom 7.5.1 Polycom Company Details 7.5.2 Polycom Business Overview 7.5.3 Polycom HD Voice Introduction 7.5.4 Polycom Revenue in HD Voice Business (2017-2022) 7.5.5 Polycom Recent Development 7.6 CISCO Systems 7.6.1 CISCO Systems Company Details 7.6.2 CISCO Systems Business Overview 7.6.3 CISCO Systems HD Voice Introduction 7.6.4 CISCO Systems Revenue in HD Voice Business (2017-2022) 7.6.5 CISCO Systems Recent Development 7.7 Broadcom 7.7.1 Broadcom Company Details 7.7.2 Broadcom Business Overview 7.7.3 Broadcom HD Voice Introduction 7.7.4 Broadcom Revenue in HD Voice Business (2017-2022) 7.7.5 Broadcom Recent Development 7.8 Alcatel-Lucent 7.8.1 Alcatel-Lucent Company Details 7.8.2 Alcatel-Lucent Business Overview 7.8.3 Alcatel-Lucent HD Voice Introduction 7.8.4 Alcatel-Lucent Revenue in HD Voice Business (2017-2022) 7.8.5 Alcatel-Lucent Recent Development 7.9 Deutsche Telekom 7.9.1 Deutsche Telekom Company Details 7.9.2 Deutsche Telekom Business Overview 7.9.3 Deutsche Telekom HD Voice Introduction 7.9.4 Deutsche Telekom Revenue in HD Voice Business (2017-2022) 7.9.5 Deutsche Telekom Recent Development 7.10 Avaya 7.10.1 Avaya Company Details 7.10.2 Avaya Business Overview 7.10.3 Avaya HD Voice Introduction 7.10.4 Avaya Revenue in HD Voice Business (2017-2022) 7.10.5 Avaya Recent Development 8 Research Findings and Conclusion 9 Appendix 9.1 Research Methodology 9.1.1 Methodology/Research Approach 9.1.2 Data Source 9.2 Author Details 9.3 Disclaimer

List of Tables Table 1. HD Voice Market Size United States VS Global, CAGR (2017 VS 2022 VS 2028) Table 2. HD Voice Market Trends Table 3. HD Voice Market Drivers Table 4. HD Voice Market Challenges Table 5. HD Voice Market Restraints Table 6. Global HD Voice Market Size by Type: 2017 VS 2022 VS 2028 (US$ Million) Table 7. United States HD Voice Market Size by Type: 2017 VS 2022 VS 2028 (US$ Million) Table 8. Global HD Voice Market Size by Application: 2017 VS 2022 VS 2028 (US$ Million) Table 9. United States HD Voice Market Size by Application: 2017 VS 2022 VS 2028 (US$ Million) Table 10. Top HD Voice Companies in Global Market, Ranking by Revenue (2021) Table 11. Global HD Voice Revenue by Player, (US$ Million), 2017-2022 Table 12. Global HD Voice Revenue Share by Player, 2017-2022 Table 13. Global HD Voice Companies Market Concentration Ratio (CR5 and HHI) Table 14. Global HD Voice by Company Type (Tier 1, Tier 2, and Tier 3) & (based on the Revenue in HD Voice as of 2021) Table 15. Top Players of HD Voice in Global Market, Headquarters and Area Served Table 16. Companies Revenue in HD Voice Business (2017-2022) & (US$ Million) Type Table 17. Date of International Companies Enter into HD Voice Market Table 18. Companies Mergers & Acquisitions, Expansion Plans Table 19. Top HD Voice Players in United States Market, Ranking by Revenue (2021) Table 20. United States HD Voice Revenue by Players, (US$ Million), 2020, 2021 & 2022 Table 21. United States HD Voice Revenue Share by Players, 2020, 2021 & 2022 Table 22. Global HD Voice Market Size by Region (US$ Million): 2017 VS 2022 VS 2028 Table 23. Global HD Voice Market Size by Region (2017-2022) & (US$ Million) Table 24. Global HD Voice Market Size Forecast by Region (2023-2028) & (US$ Million) Table 25. North America HD Voice Sales in Value by Country (2017-2028) & (US$ Million) Table 26. Asia Pacific HD Voice Sales in Value by Region (2017-2028) & (US$ Million) Table 27. Europe HD Voice Sales in Value by Country (2017-2028) & (US$ Million) Table 28. Latin Americaa HD Voice Sales in Value by Country (2017-2028) & (US$ Million) Table 29. Middle East and Africa HD Voice Sales in Value by Country (2017-2028) & (US$ Million) Table 30. Ericsson Company Details Table 31. Ericsson Business Overview Table 32. Ericsson HD Voice Product Table 33. Ericsson Revenue in HD Voice Business (2017-2022) & (US$ Million) Table 34. Ericsson Recent Development Table 35. At & T Company Details Table 36. At & T Business Overview Table 37. At & T HD Voice Product Table 38. At & T Revenue in HD Voice Business (2017-2022) & (US$ Million) Table 39. At & T Recent Development Table 40. Orange Company Details Table 41. Orange Business Overview Table 42. Orange HD Voice Product Table 43. Orange Revenue in HD Voice Business (2017-2022) & (US$ Million) Table 44. Orange Recent Development Table 45. Verizon Company Details Table 46. Verizon Business Overview Table 47. Verizon HD Voice Product Table 48. Verizon Revenue in HD Voice Business (2017-2022) & (US$ Million) Table 49. Verizon Recent Development Table 50. Polycom Company Details Table 51. Polycom Business Overview Table 52. Polycom HD Voice Product Table 53. Polycom Revenue in HD Voice Business (2017-2022) & (US$ Million) Table 54. Polycom Recent Development Table 55. CISCO Systems Company Details Table 56. CISCO Systems Business Overview Table 57. CISCO Systems HD Voice Product Table 58. CISCO Systems Revenue in HD Voice Business (2017-2022) & (US$ Million) Table 59. CISCO Systems Recent Development Table 60. Broadcom Company Details Table 61. Broadcom Business Overview Table 62. Broadcom HD Voice Product Table 63. Broadcom Revenue in HD Voice Business (2017-2022) & (US$ Million) Table 64. Broadcom Recent Development Table 65. Alcatel-Lucent Company Details Table 66. Alcatel-Lucent Business Overview Table 67. Alcatel-Lucent HD Voice Product Table 68. Alcatel-Lucent Revenue in HD Voice Business (2017-2022) & (US$ Million) Table 69. Alcatel-Lucent Recent Development Table 70. Deutsche Telekom Company Details Table 71. Deutsche Telekom Business Overview Table 72. Deutsche Telekom HD Voice Product Table 73. Deutsche Telekom Revenue in HD Voice Business (2017-2022) & (US$ Million) Table 74. Deutsche Telekom Recent Development Table 75. Avaya Company Details Table 76. Avaya Business Overview Table 77. Avaya HD Voice Product Table 78. Avaya Revenue in HD Voice Business (2017-2022) & (US$ Million) Table 79. Avaya Recent Development Table 80. Research Programs/Design for This Report Table 81. Key Data Information from Secondary Sources Table 82. Key Data Information from Primary Sources List of Figures Figure 1. HD Voice Product Picture Figure 2. Global HD Voice Market Size, (US$ Million), 2017 VS 2022 VS 2028 Figure 3. Global HD Voice Market Size 2017-2028 (US$ Million) Figure 4. United States HD Voice Market Size, (US$ Million), 2017 VS 2022 VS 2028 Figure 5. United States HD Voice Market Size 2017-2028 (US$ Million) Figure 6. United States HD Voice Market Share in Global 2017-2028 Figure 7. HD Voice Report Years Considered Figure 8. Product Picture of Paid Voice Figure 9. Product Picture of Free Voice Figure 10. Global HD Voice Market Share by Type in 2022 & 2028 Figure 11. Global HD Voice Market Size by Type (2017-2028) & (US$ Million) Figure 12. Global HD Voice Market Share by Type (2017-2028) Figure 13. United States HD Voice Market Share by Type in 2022 & 2028 Figure 14. United States HD Voice Market Size by Type (2017-2028) & (US$ Million) Figure 15. United States HD Voice Market Share by Type (2017-2028) Figure 16. Product Picture of Commercial Figure 17. Product Picture of Personal Figure 18. Global HD Voice Market Share by Application in 2022 & 2028 Figure 19. Global HD Voice Market Size by Application (2017-2028) & (US$ Million) Figure 20. Global HD Voice Market Share by Application (2017-2028) Figure 21. United States HD Voice Market Share by Application in 2022 & 2028 Figure 22. United States HD Voice Market Size by Application (2017-2028) & (US$ Million) Figure 23. United States HD Voice Market Share by Application (2017-2028) Figure 24. North America HD Voice Market Size Growth Rate 2017-2028 (US$ Million) Figure 25. U.S. HD Voice Market Size Growth Rate (2017-2028) & (US$ Million) Figure 26. Canada HD Voice Market Size Growth Rate (2017-2028) & (US$ Million) Figure 27. Europe HD Voice Market Size Growth Rate 2017-2028 (US$ Million) Figure 28. Germany HD Voice Market Size Growth Rate (2017-2028) & (US$ Million) Figure 29. France HD Voice Market Size Growth Rate (2017-2028) & (US$ Million) Figure 30. U.K. HD Voice Market Size Growth Rate (2017-2028) & (US$ Million) Figure 31. Italy HD Voice Market Size Growth Rate (2017-2028) & (US$ Million) Figure 32. Russia HD Voice Market Size Growth Rate (2017-2028) & (US$ Million) Figure 33. Asia-Pacific HD Voice Market Size Growth Rate 2017-2028 (US$ Million) Figure 34. China HD Voice Market Size Growth Rate (2017-2028) & (US$ Million) Figure 35. Japan HD Voice Market Size Growth Rate (2017-2028) & (US$ Million) Figure 36. South Korea HD Voice Market Size Growth Rate (2017-2028) & (US$ Million) Figure 37. India HD Voice Market Size Growth Rate (2017-2028) & (US$ Million) Figure 38. Australia HD Voice Market Size Growth Rate (2017-2028) & (US$ Million) Figure 39. Taiwan HD Voice Market Size Growth Rate (2017-2028) & (US$ Million) Figure 40. Indonesia HD Voice Market Size Growth Rate (2017-2028) & (US$ Million) Figure 41. Thailand HD Voice Market Size Growth Rate (2017-2028) & (US$ Million) Figure 42. Malaysia HD Voice Market Size Growth Rate (2017-2028) & (US$ Million) Figure 43. Philippines HD Voice Market Size Growth Rate (2017-2028) & (US$ Million) Figure 44. Latin America HD Voice Market Size Growth Rate 2017-2028 (US$ Million) Figure 45. Mexico HD Voice Market Size Growth Rate (2017-2028) & (US$ Million) Figure 46. Brazil HD Voice Market Size Growth Rate (2017-2028) & (US$ Million) Figure 47. Argentina HD Voice Market Size Growth Rate (2017-2028) & (US$ Million) Figure 48. Middle East & Africa HD Voice Market Size Growth Rate 2017-2028 (US$ Million) Figure 49. Turkey HD Voice Market Size Growth Rate (2017-2028) & (US$ Million) Figure 50. Saudi Arabia HD Voice Market Size Growth Rate (2017-2028) & (US$ Million) Figure 51. UAE HD Voice Market Size Growth Rate (2017-2028) & (US$ Million) Figure 52. Ericsson Revenue Growth Rate in HD Voice Business (2017-2022) Figure 53. At & T Revenue Growth Rate in HD Voice Business (2017-2022) Figure 54. Orange Revenue Growth Rate in HD Voice Business (2017-2022) Figure 55. Verizon Revenue Growth Rate in HD Voice Business (2017-2022) Figure 56. Polycom Revenue Growth Rate in HD Voice Business (2017-2022) Figure 57. CISCO Systems Revenue Growth Rate in HD Voice Business (2017-2022) Figure 58. Broadcom Revenue Growth Rate in HD Voice Business (2017-2022) Figure 59. Alcatel-Lucent Revenue Growth Rate in HD Voice Business (2017-2022) Figure 60. Deutsche Telekom Revenue Growth Rate in HD Voice Business (2017-2022) Figure 61. Avaya Revenue Growth Rate in HD Voice Business (2017-2022) Figure 62. Bottom-up and Top-down Approaches for This Report Figure 63. Data Triangulation Figure 64. Key Executives Interviewed

Ericsson At & T Orange Verizon Polycom CISCO Systems Broadcom Alcatel-Lucent Deutsche Telekom Avaya