1 Report Overview 1.1 Study Scope 1.2 Market Analysis by Type 1.2.1 Global Unified Communications Service Market Size Growth Rate by Type: 2016 VS 2021 VS 2027 1.2.2 Cloud Deployment 1.2.3 Local Deployment 1.3 Market by Application 1.3.1 Global Unified Communications Service Market Share by Application: 2016 VS 2021 VS 2027 1.3.2 Enterprises 1.3.3 Education 1.3.4 Government 1.3.5 Healthcare 1.4 Study Objectives 1.5 Years Considered 2 Global Growth Trends 2.1 Global Unified Communications Service Market Perspective (2016-2027) 2.2 Unified Communications Service Growth Trends by Regions 2.2.1 Unified Communications Service Market Size by Regions: 2016 VS 2021 VS 2027 2.2.2 Unified Communications Service Historic Market Share by Regions (2016-2021) 2.2.3 Unified Communications Service Forecasted Market Size by Regions (2022-2027) 2.3 Unified Communications Service Industry Dynamic 2.3.1 Unified Communications Service Market Trends 2.3.2 Unified Communications Service Market Drivers 2.3.3 Unified Communications Service Market Challenges 2.3.4 Unified Communications Service Market Restraints 3 Competition Landscape by Key Players 3.1 Global Top Unified Communications Service Players by Revenue 3.1.1 Global Top Unified Communications Service Players by Revenue (2016-2021) 3.1.2 Global Unified Communications Service Revenue Market Share by Players (2016-2021) 3.2 Global Unified Communications Service Market Share by Company Type (Tier 1, Tier 2 and Tier 3) 3.3 Players Covered: Ranking by Unified Communications Service Revenue 3.4 Global Unified Communications Service Market Concentration Ratio 3.4.1 Global Unified Communications Service Market Concentration Ratio (CR5 and HHI) 3.4.2 Global Top 10 and Top 5 Companies by Unified Communications Service Revenue in 2020 3.5 Unified Communications Service Key Players Head office and Area Served 3.6 Key Players Unified Communications Service Product Solution and Service 3.7 Date of Enter into Unified Communications Service Market 3.8 Mergers & Acquisitions, Expansion Plans 4 Unified Communications Service Breakdown Data by Type 4.1 Global Unified Communications Service Historic Market Size by Type (2016-2021) 4.2 Global Unified Communications Service Forecasted Market Size by Type (2022-2027) 5 Unified Communications Service Breakdown Data by Application 5.1 Global Unified Communications Service Historic Market Size by Application (2016-2021) 5.2 Global Unified Communications Service Forecasted Market Size by Application (2022-2027) 6 North America 6.1 North America Unified Communications Service Market Size (2016-2027) 6.2 North America Unified Communications Service Market Size by Type 6.2.1 North America Unified Communications Service Market Size by Type (2016-2021) 6.2.2 North America Unified Communications Service Market Size by Type (2022-2027) 6.2.3 North America Unified Communications Service Market Size by Type (2016-2027) 6.3 North America Unified Communications Service Market Size by Application 6.3.1 North America Unified Communications Service Market Size by Application (2016-2021) 6.3.2 North America Unified Communications Service Market Size by Application (2022-2027) 6.3.3 North America Unified Communications Service Market Size by Application (2016-2027) 6.4 North America Unified Communications Service Market Size by Country 6.4.1 North America Unified Communications Service Market Size by Country (2016-2021) 6.4.2 North America Unified Communications Service Market Size by Country (2022-2027) 6.4.3 United States 6.4.4 Canada 7 Europe 7.1 Europe Unified Communications Service Market Size (2016-2027) 7.2 Europe Unified Communications Service Market Size by Type 7.2.1 Europe Unified Communications Service Market Size by Type (2016-2021) 7.2.2 Europe Unified Communications Service Market Size by Type (2022-2027) 7.2.3 Europe Unified Communications Service Market Size by Type (2016-2027) 7.3 Europe Unified Communications Service Market Size by Application 7.3.1 Europe Unified Communications Service Market Size by Application (2016-2021) 7.3.2 Europe Unified Communications Service Market Size by Application (2022-2027) 7.3.3 Europe Unified Communications Service Market Size by Application (2016-2027) 7.4 Europe Unified Communications Service Market Size by Country 7.4.1 Europe Unified Communications Service Market Size by Country (2016-2021) 7.4.2 Europe Unified Communications Service 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 Unified Communications Service Market Size (2016-2027) 8.2 Asia-Pacific Unified Communications Service Market Size by Type 8.2.1 Asia-Pacific Unified Communications Service Market Size by Type (2016-2021) 8.2.2 Asia-Pacific Unified Communications Service Market Size by Type (2022-2027) 8.2.3 Asia-Pacific Unified Communications Service Market Size by Type (2016-2027) 8.3 Asia-Pacific Unified Communications Service Market Size by Application 8.3.1 Asia-Pacific Unified Communications Service Market Size by Application (2016-2021) 8.3.2 Asia-Pacific Unified Communications Service Market Size by Application (2022-2027) 8.3.3 Asia-Pacific Unified Communications Service Market Size by Application (2016-2027) 8.4 Asia-Pacific Unified Communications Service Market Size by Region 8.4.1 Asia-Pacific Unified Communications Service Market Size by Region (2016-2021) 8.4.2 Asia-Pacific Unified Communications Service 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 Unified Communications Service Market Size (2016-2027) 9.2 Latin America Unified Communications Service Market Size by Type 9.2.1 Latin America Unified Communications Service Market Size by Type (2016-2021) 9.2.2 Latin America Unified Communications Service Market Size by Type (2022-2027) 9.2.3 Latin America Unified Communications Service Market Size by Type (2016-2027) 9.3 Latin America Unified Communications Service Market Size by Application 9.3.1 Latin America Unified Communications Service Market Size by Application (2016-2021) 9.3.2 Latin America Unified Communications Service Market Size by Application (2022-2027) 9.3.3 Latin America Unified Communications Service Market Size by Application (2016-2027) 9.4 Latin America Unified Communications Service Market Size by Country 9.4.1 Latin America Unified Communications Service Market Size by Country (2016-2021) 9.4.2 Latin America Unified Communications Service Market Size by Country (2022-2027) 9.4.3 Mexico 9.4.4 Brazil 10 Middle East & Africa 10.1 Middle East & Africa Unified Communications Service Market Size (2016-2027) 10.2 Middle East & Africa Unified Communications Service Market Size by Type 10.2.1 Middle East & Africa Unified Communications Service Market Size by Type (2016-2021) 10.2.2 Middle East & Africa Unified Communications Service Market Size by Type (2022-2027) 10.2.3 Middle East & Africa Unified Communications Service Market Size by Type (2016-2027) 10.3 Middle East & Africa Unified Communications Service Market Size by Application 10.3.1 Middle East & Africa Unified Communications Service Market Size by Application (2016-2021) 10.3.2 Middle East & Africa Unified Communications Service Market Size by Application (2022-2027) 10.3.3 Middle East & Africa Unified Communications Service Market Size by Application (2016-2027) 10.4 Middle East & Africa Unified Communications Service Market Size by Country 10.4.1 Middle East & Africa Unified Communications Service Market Size by Country (2016-2021) 10.4.2 Middle East & Africa Unified Communications Service 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 Microsoft 11.1.1 Microsoft Company Details 11.1.2 Microsoft Business Overview 11.1.3 Microsoft Unified Communications Service Introduction 11.1.4 Microsoft Revenue in Unified Communications Service Business (2016-2021) 11.1.5 Microsoft Recent Development 11.2 Fuze 11.2.1 Fuze Company Details 11.2.2 Fuze Business Overview 11.2.3 Fuze Unified Communications Service Introduction 11.2.4 Fuze Revenue in Unified Communications Service Business (2016-2021) 11.2.5 Fuze Recent Development 11.3 West Unified Communications Services 11.3.1 West Unified Communications Services Company Details 11.3.2 West Unified Communications Services Business Overview 11.3.3 West Unified Communications Services Unified Communications Service Introduction 11.3.4 West Unified Communications Services Revenue in Unified Communications Service Business (2016-2021) 11.3.5 West Unified Communications Services Recent Development 11.4 Mitel 11.4.1 Mitel Company Details 11.4.2 Mitel Business Overview 11.4.3 Mitel Unified Communications Service Introduction 11.4.4 Mitel Revenue in Unified Communications Service Business (2016-2021) 11.4.5 Mitel Recent Development 11.5 Google 11.5.1 Google Company Details 11.5.2 Google Business Overview 11.5.3 Google Unified Communications Service Introduction 11.5.4 Google Revenue in Unified Communications Service Business (2016-2021) 11.5.5 Google Recent Development 11.6 Avaya 11.6.1 Avaya Company Details 11.6.2 Avaya Business Overview 11.6.3 Avaya Unified Communications Service Introduction 11.6.4 Avaya Revenue in Unified Communications Service Business (2016-2021) 11.6.5 Avaya Recent Development 11.7 Cisco 11.7.1 Cisco Company Details 11.7.2 Cisco Business Overview 11.7.3 Cisco Unified Communications Service Introduction 11.7.4 Cisco Revenue in Unified Communications Service Business (2016-2021) 11.7.5 Cisco Recent Development 11.8 PanTerra Networks 11.8.1 PanTerra Networks Company Details 11.8.2 PanTerra Networks Business Overview 11.8.3 PanTerra Networks Unified Communications Service Introduction 11.8.4 PanTerra Networks Revenue in Unified Communications Service Business (2016-2021) 11.8.5 PanTerra Networks Recent Development 11.9 Polycom 11.9.1 Polycom Company Details 11.9.2 Polycom Business Overview 11.9.3 Polycom Unified Communications Service Introduction 11.9.4 Polycom Revenue in Unified Communications Service Business (2016-2021) 11.9.5 Polycom Recent Development 11.10 NEC 11.10.1 NEC Company Details 11.10.2 NEC Business Overview 11.10.3 NEC Unified Communications Service Introduction 11.10.4 NEC Revenue in Unified Communications Service Business (2016-2021) 11.10.5 NEC Recent Development 11.11 Voyant 11.11.1 Voyant Company Details 11.11.2 Voyant Business Overview 11.11.3 Voyant Unified Communications Service Introduction 11.11.4 Voyant Revenue in Unified Communications Service Business (2016-2021) 11.11.5 Voyant Recent Development 11.12 AGC Network 11.12.1 AGC Network Company Details 11.12.2 AGC Network Business Overview 11.12.3 AGC Network Unified Communications Service Introduction 11.12.4 AGC Network Revenue in Unified Communications Service Business (2016-2021) 11.12.5 AGC Network 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 Unified Communications Service Market Size Growth Rate by Type (US$ Million):2016 VS 2021 VS 2027 Table 2. Key Players of Cloud Deployment Table 3. Key Players of Local Deployment Table 4. Global Unified Communications Service Market Size Growth by Application (US$ Million): 2016 VS 2021 VS 2027 Table 5. Global Unified Communications Service Market Size by Regions (US$ Million): 2016 VS 2021 VS 2027 Table 6. Global Unified Communications Service Market Size by Regions (2016-2021) & (US$ Million) Table 7. Global Unified Communications Service Market Share by Regions (2016-2021) Table 8. Global Unified Communications Service Forecasted Market Size by Regions (2022-2027) & (US$ Million) Table 9. Global Unified Communications Service Market Share by Regions (2022-2027) Table 10. Unified Communications Service Market Trends Table 11. Unified Communications Service Market Drivers Table 12. Unified Communications Service Market Challenges Table 13. Unified Communications Service Market Restraints Table 14. Global Unified Communications Service Revenue by Players (2016-2021) & (US$ Million) Table 15. Global Unified Communications Service Market Share by Players (2016-2021) Table 16. Global Top Unified Communications Service Players by Company Type (Tier 1, Tier 2 and Tier 3) (based on the Revenue in Unified Communications Service as of 2020) Table 17. Ranking of Global Top Unified Communications Service Companies by Revenue (US$ Million) in 2020 Table 18. Global 5 Largest Players Market Share by Unified Communications Service Revenue (CR5 and HHI) & (2016-2021) Table 19. Key Players Headquarters and Area Served Table 20. Key Players Unified Communications Service Product Solution and Service Table 21. Date of Enter into Unified Communications Service Market Table 22. Mergers & Acquisitions, Expansion Plans Table 23. Global Unified Communications Service Market Size by Type (2016-2021) (US$ Million) Table 24. Global Unified Communications Service Revenue Market Share by Type (2016-2021) Table 25. Global Unified Communications Service Forecasted Market Size by Type (2022-2027) (US$ Million) Table 26. Global Unified Communications Service Revenue Market Share by Type (2022-2027) & (US$ Million) Table 27. Global Unified Communications Service Market Size Share by Application (2016-2021) & (US$ Million) Table 28. Global Unified Communications Service Revenue Market Share by Application (2016-2021) Table 29. Global Unified Communications Service Forecasted Market Size by Application (2022-2027) (US$ Million) Table 30. Global Unified Communications Service Revenue Market Share by Application (2022-2027) & (US$ Million) Table 31. North America Unified Communications Service Market Size by Type (2016-2021) (US$ Million) Table 32. North America Unified Communications Service Market Size by Type (2022-2027) & (US$ Million) Table 33. North America Unified Communications Service Market Size by Application (2016-2021) (US$ Million) Table 34. North America Unified Communications Service Market Size by Application (2022-2027) & (US$ Million) Table 35. North America Unified Communications Service Market Size by Country (2016-2021) & (US$ Million) Table 36. North America Unified Communications Service Market Size by Country (2022-2027) & (US$ Million) Table 37. Europe Unified Communications Service Market Size by Type (2016-2021) (US$ Million) Table 38. Europe Unified Communications Service Market Size by Type (2022-2027) & (US$ Million) Table 39. Europe Unified Communications Service Market Size by Application (2016-2021) (US$ Million) Table 40. Europe Unified Communications Service Market Size by Application (2022-2027) & (US$ Million) Table 41. Europe Unified Communications Service Market Size by Country (2016-2021) & (US$ Million) Table 42. Europe Unified Communications Service Market Size by Country (2022-2027) & (US$ Million) Table 43. Asia-Pacific Unified Communications Service Market Size by Type (2016-2021) (US$ Million) Table 44. Asia-Pacific Unified Communications Service Market Size by Type (2022-2027) & (US$ Million) Table 45. Asia-Pacific Unified Communications Service Market Size by Application (2016-2021) (US$ Million) Table 46. Asia-Pacific Unified Communications Service Market Size by Application (2022-2027) & (US$ Million) Table 47. Asia-Pacific Unified Communications Service Market Size by Region (2016-2021) & (US$ Million) Table 48. Asia-Pacific Unified Communications Service Market Size by Region (2022-2027) & (US$ Million) Table 49. Latin America Unified Communications Service Market Size by Type (2016-2021) (US$ Million) Table 50. Latin America Unified Communications Service Market Size by Type (2022-2027) & (US$ Million) Table 51. Latin America Unified Communications Service Market Size by Application (2016-2021) (US$ Million) Table 52. Latin America Unified Communications Service Market Size by Application (2022-2027) & (US$ Million) Table 53. Latin America Unified Communications Service Market Size by Country (2016-2021) & (US$ Million) Table 54. Latin America Unified Communications Service Market Size by Country (2022-2027) & (US$ Million) Table 55. Middle East & Africa Unified Communications Service Market Size by Type (2016-2021) (US$ Million) Table 56. Middle East & Africa Unified Communications Service Market Size by Type (2022-2027) & (US$ Million) Table 57. Middle East & Africa Unified Communications Service Market Size by Application (2016-2021) (US$ Million) Table 58. Middle East & Africa Unified Communications Service Market Size by Application (2022-2027) & (US$ Million) Table 59. Middle East & Africa Unified Communications Service Market Size by Country (2016-2021) & (US$ Million) Table 60. Middle East & Africa Unified Communications Service Market Size by Country (2022-2027) & (US$ Million) Table 61. Microsoft Company Details Table 62. Microsoft Business Overview Table 63. Microsoft Unified Communications Service Product Table 64. Microsoft Revenue in Unified Communications Service Business (2016-2021) & (US$ Million) Table 65. Microsoft Recent Development Table 66. Fuze Company Details Table 67. Fuze Business Overview Table 68. Fuze Unified Communications Service Product Table 69. Fuze Revenue in Unified Communications Service Business (2016-2021) & (US$ Million) Table 70. Fuze Recent Development Table 71. West Unified Communications Services Company Details Table 72. West Unified Communications Services Business Overview Table 73. West Unified Communications Services Unified Communications Service Product Table 74. West Unified Communications Services Revenue in Unified Communications Service Business (2016-2021) & (US$ Million) Table 75. West Unified Communications Services Recent Development Table 76. Mitel Company Details Table 77. Mitel Business Overview Table 78. Mitel Unified Communications Service Product Table 79. Mitel Revenue in Unified Communications Service Business (2016-2021) & (US$ Million) Table 80. Mitel Recent Development Table 81. Google Company Details Table 82. Google Business Overview Table 83. Google Unified Communications Service Product Table 84. Google Revenue in Unified Communications Service Business (2016-2021) & (US$ Million) Table 85. Google Recent Development Table 86. Avaya Company Details Table 87. Avaya Business Overview Table 88. Avaya Unified Communications Service Product Table 89. Avaya Revenue in Unified Communications Service Business (2016-2021) & (US$ Million) Table 90. Avaya Recent Development Table 91. Cisco Company Details Table 92. Cisco Business Overview Table 93. Cisco Unified Communications Service Product Table 94. Cisco Revenue in Unified Communications Service Business (2016-2021) & (US$ Million) Table 95. Cisco Recent Development Table 96. PanTerra Networks Company Details Table 97. PanTerra Networks Business Overview Table 98. PanTerra Networks Revenue in Unified Communications Service Business (2016-2021) & (US$ Million) Table 99. PanTerra Networks Recent Development Table 100. Polycom Company Details Table 101. Polycom Business Overview Table 102. Polycom Unified Communications Service Product Table 103. Polycom Revenue in Unified Communications Service Business (2016-2021) & (US$ Million) Table 104. Polycom Recent Development Table 105. NEC Company Details Table 106. NEC Business Overview Table 107. NEC Unified Communications Service Product Table 108. NEC Revenue in Unified Communications Service Business (2016-2021) & (US$ Million) Table 109. NEC Recent Development Table 110. Voyant Company Details Table 111. Voyant Business Overview Table 112. Voyant Unified Communications Service Product Table 113. Voyant Revenue in Unified Communications Service Business (2016-2021) & (US$ Million) Table 114. Voyant Recent Development Table 115. AGC Network Company Details Table 116. AGC Network Business Overview Table 117. AGC Network Unified Communications Service Product Table 118. AGC Network Revenue in Unified Communications Service Business (2016-2021) & (US$ Million) Table 119. AGC Network Recent Development Table 120. Research Programs/Design for This Report Table 121. Key Data Information from Secondary Sources Table 122. Key Data Information from Primary Sources List of Figures Figure 1. Global Unified Communications Service Market Share by Type: 2020 VS 2027 Figure 2. Cloud Deployment Features Figure 3. Local Deployment Features Figure 4. Global Unified Communications Service Market Share by Application: 2020 VS 2027 Figure 5. Enterprises Case Studies Figure 6. Education Case Studies Figure 7. Government Case Studies Figure 8. Healthcare Case Studies Figure 9. Unified Communications Service Report Years Considered Figure 10. Global Unified Communications Service Market Size (US$ Million), Year-over-Year: 2016-2027 Figure 11. Global Unified Communications Service Market Size (US$ Million), 2016 VS 2021 VS 2027 Figure 12. Global Unified Communications Service Market Share by Regions: 2020 VS 2027 Figure 13. Global Unified Communications Service Market Share by Regions (2022-2027) Figure 14. Global Unified Communications Service Market Share by Players in 2020 Figure 15. Global Top Unified Communications Service Players by Company Type (Tier 1, Tier 2 and Tier 3) (based on the Revenue in Unified Communications Service as of 2020 Figure 16. The Top 10 and 5 Players Market Share by Unified Communications Service Revenue in 2020 Figure 17. Global Unified Communications Service Revenue Market Share by Type (2016-2021) Figure 18. Global Unified Communications Service Revenue Market Share by Type (2022-2027) Figure 19. North America Unified Communications Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 20. North America Unified Communications Service Market Share by Type (2016-2027) Figure 21. North America Unified Communications Service Market Share by Application (2016-2027) Figure 22. North America Unified Communications Service Market Share by Country (2016-2027) Figure 23. United States Unified Communications Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 24. Canada Unified Communications Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 25. Europe Unified Communications Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 26. Europe Unified Communications Service Market Share by Type (2016-2027) Figure 27. Europe Unified Communications Service Market Share by Application (2016-2027) Figure 28. Europe Unified Communications Service Market Share by Country (2016-2027) Figure 29. Germany Unified Communications Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 30. France Unified Communications Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 31. U.K. Unified Communications Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 32. Italy Unified Communications Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 33. Russia Unified Communications Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 34. Nordic Unified Communications Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 35. Asia-Pacific Unified Communications Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 36. Asia-Pacific Unified Communications Service Market Share by Type (2016-2027) Figure 37. Asia-Pacific Unified Communications Service Market Share by Application (2016-2027) Figure 38. Asia-Pacific Unified Communications Service Market Share by Region (2016-2027) Figure 39. China Unified Communications Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 40. Japan Unified Communications Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 41. South Korea Unified Communications Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 42. Southeast Asia Unified Communications Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 43. India Unified Communications Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 44. Australia Unified Communications Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 45. Latin America Unified Communications Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 46. Latin America Unified Communications Service Market Share by Type (2016-2027) Figure 47. Latin America Unified Communications Service Market Share by Application (2016-2027) Figure 48. Latin America Unified Communications Service Market Share by Country (2016-2027) Figure 49. Mexico Unified Communications Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 50. Brazil Unified Communications Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 51. Middle East & Africa Unified Communications Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 52. Middle East & Africa Unified Communications Service Market Share by Type (2016-2027) Figure 53. Middle East & Africa Unified Communications Service Market Share by Application (2016-2027) Figure 54. Middle East & Africa Unified Communications Service Market Share by Country (2016-2027) Figure 55. Turkey Unified Communications Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 56. Saudi Arabia Unified Communications Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 57. UAE Unified Communications Service Market Size YoY Growth (2016-2027) & (US$ Million) Figure 58. Microsoft Revenue Growth Rate in Unified Communications Service Business (2016-2021) Figure 59. Fuze Revenue Growth Rate in Unified Communications Service Business (2016-2021) Figure 60. West Unified Communications Services Revenue Growth Rate in Unified Communications Service Business (2016-2021) Figure 61. Mitel Revenue Growth Rate in Unified Communications Service Business (2016-2021) Figure 62. Google Revenue Growth Rate in Unified Communications Service Business (2016-2021) Figure 63. Avaya Revenue Growth Rate in Unified Communications Service Business (2016-2021) Figure 64. Cisco Revenue Growth Rate in Unified Communications Service Business (2016-2021) Figure 65. PanTerra Networks Revenue Growth Rate in Unified Communications Service Business (2016-2021) Figure 66. Polycom Revenue Growth Rate in Unified Communications Service Business (2016-2021) Figure 67. NEC Revenue Growth Rate in Unified Communications Service Business (2016-2021) Figure 68. Voyant Revenue Growth Rate in Unified Communications Service Business (2016-2021) Figure 69. AGC Network Revenue Growth Rate in Unified Communications Service Business (2016-2021) Figure 70. Bottom-up and Top-down Approaches for This Report Figure 71. Data Triangulation Figure 72. Key Executives Interviewed

Microsoft Fuze West Unified Communications Services Mitel Google Avaya Cisco PanTerra Networks Polycom NEC Voyant AGC Network