1 Report Overview 1.1 Study Scope 1.2 Market Analysis by Type 1.2.1 Global Voice Over WIFI Market Size Growth Rate by Type: 2016 VS 2021 VS 2027 1.2.2 Integrated VoWiFi Client 1.2.3 Separate VoWiFi Client 1.2.4 Browser VoWiFi Client 1.3 Market by Application 1.3.1 Global Voice Over WIFI Market Share by Application: 2016 VS 2021 VS 2027 1.3.2 Smartphone 1.3.3 Tablets 1.3.4 Laptops 1.4 Study Objectives 1.5 Years Considered 2 Global Growth Trends 2.1 Global Voice Over WIFI Market Perspective (2016-2027) 2.2 Voice Over WIFI Growth Trends by Regions 2.2.1 Voice Over WIFI Market Size by Regions: 2016 VS 2021 VS 2027 2.2.2 Voice Over WIFI Historic Market Share by Regions (2016-2021) 2.2.3 Voice Over WIFI Forecasted Market Size by Regions (2022-2027) 2.3 Voice Over WIFI Industry Dynamic 2.3.1 Voice Over WIFI Market Trends 2.3.2 Voice Over WIFI Market Drivers 2.3.3 Voice Over WIFI Market Challenges 2.3.4 Voice Over WIFI Market Restraints 3 Competition Landscape by Key Players 3.1 Global Top Voice Over WIFI Players by Revenue 3.1.1 Global Top Voice Over WIFI Players by Revenue (2016-2021) 3.1.2 Global Voice Over WIFI Revenue Market Share by Players (2016-2021) 3.2 Global Voice Over WIFI Market Share by Company Type (Tier 1, Tier 2 and Tier 3) 3.3 Players Covered: Ranking by Voice Over WIFI Revenue 3.4 Global Voice Over WIFI Market Concentration Ratio 3.4.1 Global Voice Over WIFI Market Concentration Ratio (CR5 and HHI) 3.4.2 Global Top 10 and Top 5 Companies by Voice Over WIFI Revenue in 2020 3.5 Voice Over WIFI Key Players Head office and Area Served 3.6 Key Players Voice Over WIFI Product Solution and Service 3.7 Date of Enter into Voice Over WIFI Market 3.8 Mergers & Acquisitions, Expansion Plans 4 Voice Over WIFI Breakdown Data by Type 4.1 Global Voice Over WIFI Historic Market Size by Type (2016-2021) 4.2 Global Voice Over WIFI Forecasted Market Size by Type (2022-2027) 5 Voice Over WIFI Breakdown Data by Application 5.1 Global Voice Over WIFI Historic Market Size by Application (2016-2021) 5.2 Global Voice Over WIFI Forecasted Market Size by Application (2022-2027) 6 North America 6.1 North America Voice Over WIFI Market Size (2016-2027) 6.2 North America Voice Over WIFI Market Size by Type 6.2.1 North America Voice Over WIFI Market Size by Type (2016-2021) 6.2.2 North America Voice Over WIFI Market Size by Type (2022-2027) 6.2.3 North America Voice Over WIFI Market Size by Type (2016-2027) 6.3 North America Voice Over WIFI Market Size by Application 6.3.1 North America Voice Over WIFI Market Size by Application (2016-2021) 6.3.2 North America Voice Over WIFI Market Size by Application (2022-2027) 6.3.3 North America Voice Over WIFI Market Size by Application (2016-2027) 6.4 North America Voice Over WIFI Market Size by Country 6.4.1 North America Voice Over WIFI Market Size by Country (2016-2021) 6.4.2 North America Voice Over WIFI Market Size by Country (2022-2027) 6.4.3 United States 6.4.4 Canada 7 Europe 7.1 Europe Voice Over WIFI Market Size (2016-2027) 7.2 Europe Voice Over WIFI Market Size by Type 7.2.1 Europe Voice Over WIFI Market Size by Type (2016-2021) 7.2.2 Europe Voice Over WIFI Market Size by Type (2022-2027) 7.2.3 Europe Voice Over WIFI Market Size by Type (2016-2027) 7.3 Europe Voice Over WIFI Market Size by Application 7.3.1 Europe Voice Over WIFI Market Size by Application (2016-2021) 7.3.2 Europe Voice Over WIFI Market Size by Application (2022-2027) 7.3.3 Europe Voice Over WIFI Market Size by Application (2016-2027) 7.4 Europe Voice Over WIFI Market Size by Country 7.4.1 Europe Voice Over WIFI Market Size by Country (2016-2021) 7.4.2 Europe Voice Over WIFI Market Size by Country (2022-2027) 7.4.3 Germany 7.4.4 France 7.4.5 U.K. 7.4.6 Italy 7.4.7 Russia 7.4.8 Nordic 8 Asia-Pacific 8.1 Asia-Pacific Voice Over WIFI Market Size (2016-2027) 8.2 Asia-Pacific Voice Over WIFI Market Size by Type 8.2.1 Asia-Pacific Voice Over WIFI Market Size by Type (2016-2021) 8.2.2 Asia-Pacific Voice Over WIFI Market Size by Type (2022-2027) 8.2.3 Asia-Pacific Voice Over WIFI Market Size by Type (2016-2027) 8.3 Asia-Pacific Voice Over WIFI Market Size by Application 8.3.1 Asia-Pacific Voice Over WIFI Market Size by Application (2016-2021) 8.3.2 Asia-Pacific Voice Over WIFI Market Size by Application (2022-2027) 8.3.3 Asia-Pacific Voice Over WIFI Market Size by Application (2016-2027) 8.4 Asia-Pacific Voice Over WIFI Market Size by Region 8.4.1 Asia-Pacific Voice Over WIFI Market Size by Region (2016-2021) 8.4.2 Asia-Pacific Voice Over WIFI Market Size by Region (2022-2027) 8.4.3 China 8.4.4 Japan 8.4.5 South Korea 8.4.6 Southeast Asia 8.4.7 India 8.4.8 Australia 9 Latin America 9.1 Latin America Voice Over WIFI Market Size (2016-2027) 9.2 Latin America Voice Over WIFI Market Size by Type 9.2.1 Latin America Voice Over WIFI Market Size by Type (2016-2021) 9.2.2 Latin America Voice Over WIFI Market Size by Type (2022-2027) 9.2.3 Latin America Voice Over WIFI Market Size by Type (2016-2027) 9.3 Latin America Voice Over WIFI Market Size by Application 9.3.1 Latin America Voice Over WIFI Market Size by Application (2016-2021) 9.3.2 Latin America Voice Over WIFI Market Size by Application (2022-2027) 9.3.3 Latin America Voice Over WIFI Market Size by Application (2016-2027) 9.4 Latin America Voice Over WIFI Market Size by Country 9.4.1 Latin America Voice Over WIFI Market Size by Country (2016-2021) 9.4.2 Latin America Voice Over WIFI Market Size by Country (2022-2027) 9.4.3 Mexico 9.4.4 Brazil 10 Middle East & Africa 10.1 Middle East & Africa Voice Over WIFI Market Size (2016-2027) 10.2 Middle East & Africa Voice Over WIFI Market Size by Type 10.2.1 Middle East & Africa Voice Over WIFI Market Size by Type (2016-2021) 10.2.2 Middle East & Africa Voice Over WIFI Market Size by Type (2022-2027) 10.2.3 Middle East & Africa Voice Over WIFI Market Size by Type (2016-2027) 10.3 Middle East & Africa Voice Over WIFI Market Size by Application 10.3.1 Middle East & Africa Voice Over WIFI Market Size by Application (2016-2021) 10.3.2 Middle East & Africa Voice Over WIFI Market Size by Application (2022-2027) 10.3.3 Middle East & Africa Voice Over WIFI Market Size by Application (2016-2027) 10.4 Middle East & Africa Voice Over WIFI Market Size by Country 10.4.1 Middle East & Africa Voice Over WIFI Market Size by Country (2016-2021) 10.4.2 Middle East & Africa Voice Over WIFI Market Size by Country (2022-2027) 10.4.3 Turkey 10.4.4 Saudi Arabia 10.4.5 UAE 11 Key Players Profiles 11.1 Oracle 11.1.1 Oracle Company Details 11.1.2 Oracle Business Overview 11.1.3 Oracle Voice Over WIFI Introduction 11.1.4 Oracle Revenue in Voice Over WIFI Business (2016-2021) 11.1.5 Oracle Recent Development 11.2 Cisco 11.2.1 Cisco Company Details 11.2.2 Cisco Business Overview 11.2.3 Cisco Voice Over WIFI Introduction 11.2.4 Cisco Revenue in Voice Over WIFI Business (2016-2021) 11.2.5 Cisco Recent Development 11.3 Ericsson AB 11.3.1 Ericsson AB Company Details 11.3.2 Ericsson AB Business Overview 11.3.3 Ericsson AB Voice Over WIFI Introduction 11.3.4 Ericsson AB Revenue in Voice Over WIFI Business (2016-2021) 11.3.5 Ericsson AB Recent Development 11.4 Aptilo Networks 11.4.1 Aptilo Networks Company Details 11.4.2 Aptilo Networks Business Overview 11.4.3 Aptilo Networks Voice Over WIFI Introduction 11.4.4 Aptilo Networks Revenue in Voice Over WIFI Business (2016-2021) 11.4.5 Aptilo Networks Recent Development 11.5 Korea Telecom 11.5.1 Korea Telecom Company Details 11.5.2 Korea Telecom Business Overview 11.5.3 Korea Telecom Voice Over WIFI Introduction 11.5.4 Korea Telecom Revenue in Voice Over WIFI Business (2016-2021) 11.5.5 Korea Telecom Recent Development 11.6 Mitel Networks Corporation 11.6.1 Mitel Networks Corporation Company Details 11.6.2 Mitel Networks Corporation Business Overview 11.6.3 Mitel Networks Corporation Voice Over WIFI Introduction 11.6.4 Mitel Networks Corporation Revenue in Voice Over WIFI Business (2016-2021) 11.6.5 Mitel Networks Corporation Recent Development 11.7 Nokia 11.7.1 Nokia Company Details 11.7.2 Nokia Business Overview 11.7.3 Nokia Voice Over WIFI Introduction 11.7.4 Nokia Revenue in Voice Over WIFI Business (2016-2021) 11.7.5 Nokia Recent Development 11.8 Ribbon Communications 11.8.1 Ribbon Communications Company Details 11.8.2 Ribbon Communications Business Overview 11.8.3 Ribbon Communications Voice Over WIFI Introduction 11.8.4 Ribbon Communications Revenue in Voice Over WIFI Business (2016-2021) 11.8.5 Ribbon Communications Recent Development 11.9 Huawei 11.9.1 Huawei Company Details 11.9.2 Huawei Business Overview 11.9.3 Huawei Voice Over WIFI Introduction 11.9.4 Huawei Revenue in Voice Over WIFI Business (2016-2021) 11.9.5 Huawei Recent Development 12 Analyst's Viewpoints/Conclusions 13 Appendix 13.1 Research Methodology 13.1.1 Methodology/Research Approach 13.1.2 Data Source 13.2 Disclaimer 13.3 Author Details

List of Tables Table 1. Global Voice Over WIFI Market Size Growth Rate by Type (US$ Million):2016 VS 2021 VS 2027 Table 2. Key Players of Integrated VoWiFi Client Table 3. Key Players of Separate VoWiFi Client Table 4. Key Players of Browser VoWiFi Client Table 5. Global Voice Over WIFI Market Size Growth by Application (US$ Million): 2016 VS 2021 VS 2027 Table 6. Global Voice Over WIFI Market Size by Regions (US$ Million): 2016 VS 2021 VS 2027 Table 7. Global Voice Over WIFI Market Size by Regions (2016-2021) & (US$ Million) Table 8. Global Voice Over WIFI Market Share by Regions (2016-2021) Table 9. Global Voice Over WIFI Forecasted Market Size by Regions (2022-2027) & (US$ Million) Table 10. Global Voice Over WIFI Market Share by Regions (2022-2027) Table 11. Voice Over WIFI Market Trends Table 12. Voice Over WIFI Market Drivers Table 13. Voice Over WIFI Market Challenges Table 14. Voice Over WIFI Market Restraints Table 15. Global Voice Over WIFI Revenue by Players (2016-2021) & (US$ Million) Table 16. Global Voice Over WIFI Market Share by Players (2016-2021) Table 17. Global Top Voice Over WIFI Players by Company Type (Tier 1, Tier 2 and Tier 3) (based on the Revenue in Voice Over WIFI as of 2020) Table 18. Ranking of Global Top Voice Over WIFI Companies by Revenue (US$ Million) in 2020 Table 19. Global 5 Largest Players Market Share by Voice Over WIFI Revenue (CR5 and HHI) & (2016-2021) Table 20. Key Players Headquarters and Area Served Table 21. Key Players Voice Over WIFI Product Solution and Service Table 22. Date of Enter into Voice Over WIFI Market Table 23. Mergers & Acquisitions, Expansion Plans Table 24. Global Voice Over WIFI Market Size by Type (2016-2021) (US$ Million) Table 25. Global Voice Over WIFI Revenue Market Share by Type (2016-2021) Table 26. Global Voice Over WIFI Forecasted Market Size by Type (2022-2027) (US$ Million) Table 27. Global Voice Over WIFI Revenue Market Share by Type (2022-2027) & (US$ Million) Table 28. Global Voice Over WIFI Market Size Share by Application (2016-2021) & (US$ Million) Table 29. Global Voice Over WIFI Revenue Market Share by Application (2016-2021) Table 30. Global Voice Over WIFI Forecasted Market Size by Application (2022-2027) (US$ Million) Table 31. Global Voice Over WIFI Revenue Market Share by Application (2022-2027) & (US$ Million) Table 32. North America Voice Over WIFI Market Size by Type (2016-2021) (US$ Million) Table 33. North America Voice Over WIFI Market Size by Type (2022-2027) & (US$ Million) Table 34. North America Voice Over WIFI Market Size by Application (2016-2021) (US$ Million) Table 35. North America Voice Over WIFI Market Size by Application (2022-2027) & (US$ Million) Table 36. North America Voice Over WIFI Market Size by Country (2016-2021) & (US$ Million) Table 37. North America Voice Over WIFI Market Size by Country (2022-2027) & (US$ Million) Table 38. Europe Voice Over WIFI Market Size by Type (2016-2021) (US$ Million) Table 39. Europe Voice Over WIFI Market Size by Type (2022-2027) & (US$ Million) Table 40. Europe Voice Over WIFI Market Size by Application (2016-2021) (US$ Million) Table 41. Europe Voice Over WIFI Market Size by Application (2022-2027) & (US$ Million) Table 42. Europe Voice Over WIFI Market Size by Country (2016-2021) & (US$ Million) Table 43. Europe Voice Over WIFI Market Size by Country (2022-2027) & (US$ Million) Table 44. Asia-Pacific Voice Over WIFI Market Size by Type (2016-2021) (US$ Million) Table 45. Asia-Pacific Voice Over WIFI Market Size by Type (2022-2027) & (US$ Million) Table 46. Asia-Pacific Voice Over WIFI Market Size by Application (2016-2021) (US$ Million) Table 47. Asia-Pacific Voice Over WIFI Market Size by Application (2022-2027) & (US$ Million) Table 48. Asia-Pacific Voice Over WIFI Market Size by Region (2016-2021) & (US$ Million) Table 49. Asia-Pacific Voice Over WIFI Market Size by Region (2022-2027) & (US$ Million) Table 50. Latin America Voice Over WIFI Market Size by Type (2016-2021) (US$ Million) Table 51. Latin America Voice Over WIFI Market Size by Type (2022-2027) & (US$ Million) Table 52. Latin America Voice Over WIFI Market Size by Application (2016-2021) (US$ Million) Table 53. Latin America Voice Over WIFI Market Size by Application (2022-2027) & (US$ Million) Table 54. Latin America Voice Over WIFI Market Size by Country (2016-2021) & (US$ Million) Table 55. Latin America Voice Over WIFI Market Size by Country (2022-2027) & (US$ Million) Table 56. Middle East & Africa Voice Over WIFI Market Size by Type (2016-2021) (US$ Million) Table 57. Middle East & Africa Voice Over WIFI Market Size by Type (2022-2027) & (US$ Million) Table 58. Middle East & Africa Voice Over WIFI Market Size by Application (2016-2021) (US$ Million) Table 59. Middle East & Africa Voice Over WIFI Market Size by Application (2022-2027) & (US$ Million) Table 60. Middle East & Africa Voice Over WIFI Market Size by Country (2016-2021) & (US$ Million) Table 61. Middle East & Africa Voice Over WIFI Market Size by Country (2022-2027) & (US$ Million) Table 62. Oracle Company Details Table 63. Oracle Business Overview Table 64. Oracle Voice Over WIFI Product Table 65. Oracle Revenue in Voice Over WIFI Business (2016-2021) & (US$ Million) Table 66. Oracle Recent Development Table 67. Cisco Company Details Table 68. Cisco Business Overview Table 69. Cisco Voice Over WIFI Product Table 70. Cisco Revenue in Voice Over WIFI Business (2016-2021) & (US$ Million) Table 71. Cisco Recent Development Table 72. Ericsson AB Company Details Table 73. Ericsson AB Business Overview Table 74. Ericsson AB Voice Over WIFI Product Table 75. Ericsson AB Revenue in Voice Over WIFI Business (2016-2021) & (US$ Million) Table 76. Ericsson AB Recent Development Table 77. Aptilo Networks Company Details Table 78. Aptilo Networks Business Overview Table 79. Aptilo Networks Voice Over WIFI Product Table 80. Aptilo Networks Revenue in Voice Over WIFI Business (2016-2021) & (US$ Million) Table 81. Aptilo Networks Recent Development Table 82. Korea Telecom Company Details Table 83. Korea Telecom Business Overview Table 84. Korea Telecom Voice Over WIFI Product Table 85. Korea Telecom Revenue in Voice Over WIFI Business (2016-2021) & (US$ Million) Table 86. Korea Telecom Recent Development Table 87. Mitel Networks Corporation Company Details Table 88. Mitel Networks Corporation Business Overview Table 89. Mitel Networks Corporation Voice Over WIFI Product Table 90. Mitel Networks Corporation Revenue in Voice Over WIFI Business (2016-2021) & (US$ Million) Table 91. Mitel Networks Corporation Recent Development Table 92. Nokia Company Details Table 93. Nokia Business Overview Table 94. Nokia Voice Over WIFI Product Table 95. Nokia Revenue in Voice Over WIFI Business (2016-2021) & (US$ Million) Table 96. Nokia Recent Development Table 97. Ribbon Communications Company Details Table 98. Ribbon Communications Business Overview Table 99. Ribbon Communications Revenue in Voice Over WIFI Business (2016-2021) & (US$ Million) Table 100. Ribbon Communications Recent Development Table 101. Huawei Company Details Table 102. Huawei Business Overview Table 103. Huawei Voice Over WIFI Product Table 104. Huawei Revenue in Voice Over WIFI Business (2016-2021) & (US$ Million) Table 105. Huawei Recent Development Table 106. Research Programs/Design for This Report Table 107. Key Data Information from Secondary Sources Table 108. Key Data Information from Primary Sources List of Figures Figure 1. Global Voice Over WIFI Market Share by Type: 2020 VS 2027 Figure 2. Integrated VoWiFi Client Features Figure 3. Separate VoWiFi Client Features Figure 4. Browser VoWiFi Client Features Figure 5. Global Voice Over WIFI Market Share by Application: 2020 VS 2027 Figure 6. Smartphone Case Studies Figure 7. Tablets Case Studies Figure 8. Laptops Case Studies Figure 9. Voice Over WIFI Report Years Considered Figure 10. Global Voice Over WIFI Market Size (US$ Million), Year-over-Year: 2016-2027 Figure 11. Global Voice Over WIFI Market Size (US$ Million), 2016 VS 2021 VS 2027 Figure 12. Global Voice Over WIFI Market Share by Regions: 2020 VS 2027 Figure 13. Global Voice Over WIFI Market Share by Regions (2022-2027) Figure 14. Global Voice Over WIFI Market Share by Players in 2020 Figure 15. Global Top Voice Over WIFI Players by Company Type (Tier 1, Tier 2 and Tier 3) (based on the Revenue in Voice Over WIFI as of 2020 Figure 16. The Top 10 and 5 Players Market Share by Voice Over WIFI Revenue in 2020 Figure 17. Global Voice Over WIFI Revenue Market Share by Type (2016-2021) Figure 18. Global Voice Over WIFI Revenue Market Share by Type (2022-2027) Figure 19. North America Voice Over WIFI Market Size YoY Growth (2016-2027) & (US$ Million) Figure 20. North America Voice Over WIFI Market Share by Type (2016-2027) Figure 21. North America Voice Over WIFI Market Share by Application (2016-2027) Figure 22. North America Voice Over WIFI Market Share by Country (2016-2027) Figure 23. United States Voice Over WIFI Market Size YoY Growth (2016-2027) & (US$ Million) Figure 24. Canada Voice Over WIFI Market Size YoY Growth (2016-2027) & (US$ Million) Figure 25. Europe Voice Over WIFI Market Size YoY Growth (2016-2027) & (US$ Million) Figure 26. Europe Voice Over WIFI Market Share by Type (2016-2027) Figure 27. Europe Voice Over WIFI Market Share by Application (2016-2027) Figure 28. Europe Voice Over WIFI Market Share by Country (2016-2027) Figure 29. Germany Voice Over WIFI Market Size YoY Growth (2016-2027) & (US$ Million) Figure 30. France Voice Over WIFI Market Size YoY Growth (2016-2027) & (US$ Million) Figure 31. U.K. Voice Over WIFI Market Size YoY Growth (2016-2027) & (US$ Million) Figure 32. Italy Voice Over WIFI Market Size YoY Growth (2016-2027) & (US$ Million) Figure 33. Russia Voice Over WIFI Market Size YoY Growth (2016-2027) & (US$ Million) Figure 34. Nordic Voice Over WIFI Market Size YoY Growth (2016-2027) & (US$ Million) Figure 35. Asia-Pacific Voice Over WIFI Market Size YoY Growth (2016-2027) & (US$ Million) Figure 36. Asia-Pacific Voice Over WIFI Market Share by Type (2016-2027) Figure 37. Asia-Pacific Voice Over WIFI Market Share by Application (2016-2027) Figure 38. Asia-Pacific Voice Over WIFI Market Share by Region (2016-2027) Figure 39. China Voice Over WIFI Market Size YoY Growth (2016-2027) & (US$ Million) Figure 40. Japan Voice Over WIFI Market Size YoY Growth (2016-2027) & (US$ Million) Figure 41. South Korea Voice Over WIFI Market Size YoY Growth (2016-2027) & (US$ Million) Figure 42. Southeast Asia Voice Over WIFI Market Size YoY Growth (2016-2027) & (US$ Million) Figure 43. India Voice Over WIFI Market Size YoY Growth (2016-2027) & (US$ Million) Figure 44. Australia Voice Over WIFI Market Size YoY Growth (2016-2027) & (US$ Million) Figure 45. Latin America Voice Over WIFI Market Size YoY Growth (2016-2027) & (US$ Million) Figure 46. Latin America Voice Over WIFI Market Share by Type (2016-2027) Figure 47. Latin America Voice Over WIFI Market Share by Application (2016-2027) Figure 48. Latin America Voice Over WIFI Market Share by Country (2016-2027) Figure 49. Mexico Voice Over WIFI Market Size YoY Growth (2016-2027) & (US$ Million) Figure 50. Brazil Voice Over WIFI Market Size YoY Growth (2016-2027) & (US$ Million) Figure 51. Middle East & Africa Voice Over WIFI Market Size YoY Growth (2016-2027) & (US$ Million) Figure 52. Middle East & Africa Voice Over WIFI Market Share by Type (2016-2027) Figure 53. Middle East & Africa Voice Over WIFI Market Share by Application (2016-2027) Figure 54. Middle East & Africa Voice Over WIFI Market Share by Country (2016-2027) Figure 55. Turkey Voice Over WIFI Market Size YoY Growth (2016-2027) & (US$ Million) Figure 56. Saudi Arabia Voice Over WIFI Market Size YoY Growth (2016-2027) & (US$ Million) Figure 57. UAE Voice Over WIFI Market Size YoY Growth (2016-2027) & (US$ Million) Figure 58. Oracle Revenue Growth Rate in Voice Over WIFI Business (2016-2021) Figure 59. Cisco Revenue Growth Rate in Voice Over WIFI Business (2016-2021) Figure 60. Ericsson AB Revenue Growth Rate in Voice Over WIFI Business (2016-2021) Figure 61. Aptilo Networks Revenue Growth Rate in Voice Over WIFI Business (2016-2021) Figure 62. Korea Telecom Revenue Growth Rate in Voice Over WIFI Business (2016-2021) Figure 63. Mitel Networks Corporation Revenue Growth Rate in Voice Over WIFI Business (2016-2021) Figure 64. Nokia Revenue Growth Rate in Voice Over WIFI Business (2016-2021) Figure 65. Ribbon Communications Revenue Growth Rate in Voice Over WIFI Business (2016-2021) Figure 66. Huawei Revenue Growth Rate in Voice Over WIFI Business (2016-2021) Figure 67. Bottom-up and Top-down Approaches for This Report Figure 68. Data Triangulation Figure 69. Key Executives Interviewed

Oracle Cisco Ericsson AB Aptilo Networks Korea Telecom Mitel Networks Corporation Nokia Ribbon Communications Huawei