1 Introduction to Research & Analysis Reports 1.1 Cloud Telephony Service Market Definition 1.2 Market Segments 1.2.1 Segment by Type 1.2.2 Segment by Application 1.3 United States Cloud Telephony Service Market Overview 1.4 Methodology & Sources of Information 1.4.1 Research Methodology 1.4.2 Research Process 1.4.3 Base Year 2 United States Cloud Telephony Service Overall Market Size 2.1 United States Cloud Telephony Service Market Size: 2021 VS 2027 2.2 United States Cloud Telephony Service Revenue, Prospects & Forecasts: 2016-2027 2.3 Key Market Trends, Opportunity, Drivers and Restraints 2.3.1 Market Opportunities & Trends 2.3.2 Market Drivers 2.3.3 Market Restraints 3 Company Landscape 3.1 Top Cloud Telephony Service Players in United States Market 3.2 Top United States Cloud Telephony Service Companies Ranked by Revenue 3.3 United States Cloud Telephony Service Revenue by Companies 3.4 Top 3 and Top 5 Cloud Telephony Service Companies in United States Market, by Revenue in 2020 3.5 Companies Cloud Telephony Service Product Type 3.6 Tier 1, Tier 2 and Tier 3 Cloud Telephony Service Players in United States Market 3.6.1 List of Tier 1 Cloud Telephony Service Companies in United States 3.6.2 List of Tier 2 and Tier 3 Cloud Telephony Service Companies in United States 4 Sights by Type 4.1 Overview 4.1.1 By Type - United States Cloud Telephony Service Market Size Markets, 2021 & 2027 4.1.2 Cloud 4.1.3 Hosted 4.2 By Type - United States Cloud Telephony Service Revenue & Forecasts 4.2.1 By Type - United States Cloud Telephony Service Revenue, 2016-2021 4.2.2 By Type - United States Cloud Telephony Service Revenue, 2022-2027 4.2.3 By Type - United States Cloud Telephony Service Revenue Market Share, 2016-2027 5 Sights by Application 5.1 Overview 5.1.1 By Application - United States Cloud Telephony Service Market Size, 2021 & 2027 5.1.2 SMEs 5.1.3 Large Enterprises 5.2 By Application - United States Cloud Telephony Service Revenue & Forecasts 5.2.1 By Application - United States Cloud Telephony Service Revenue, 2016-2021 5.2.2 By Application - United States Cloud Telephony Service Revenue, 2022-2027 5.2.3 By Application - United States Cloud Telephony Service Revenue Market Share, 2016-2027 6 Cloud Telephony Service Companies Profiles 6.1 8x8 6.1.1 8x8 Company Details 6.1.2 8x8 Business Overview 6.1.3 8x8 Cloud Telephony Service Introduction 6.1.4 8x8 Cloud Telephony Service Revenue in United States Market (2016-2021) 6.1.5 8x8 Recent Developments 6.2 AVOXI 6.2.1 AVOXI Company Details 6.2.2 AVOXI Business Overview 6.2.3 AVOXI Cloud Telephony Service Introduction 6.2.4 AVOXI Cloud Telephony Service Revenue in United States Market (2016-2021) 6.2.5 AVOXI Recent Developments 6.3 BroadSoft 6.3.1 BroadSoft Company Details 6.3.2 BroadSoft Business Overview 6.3.3 BroadSoft Cloud Telephony Service Introduction 6.3.4 BroadSoft Cloud Telephony Service Revenue in United States Market (2016-2021) 6.3.5 BroadSoft Recent Developments 6.4 Cisco 6.4.1 Cisco Company Details 6.4.2 Cisco Business Overview 6.4.3 Cisco Cloud Telephony Service Introduction 6.4.4 Cisco Cloud Telephony Service Revenue in United States Market (2016-2021) 6.4.5 Cisco Recent Developments 6.5 DIALPAD 6.5.1 DIALPAD Company Details 6.5.2 DIALPAD Business Overview 6.5.3 DIALPAD Cloud Telephony Service Introduction 6.5.4 DIALPAD Cloud Telephony Service Revenue in United States Market (2016-2021) 6.5.5 DIALPAD Recent Developments 6.6 Exotel 6.6.1 Exotel Company Details 6.6.2 Exotel Business Overview 6.6.3 Exotel Cloud Telephony Service Introduction 6.6.4 Exotel Cloud Telephony Service Revenue in United States Market (2016-2021) 6.6.5 Exotel Recent Developments 6.7 Go 2 Market 6.7.1 Go 2 Market Company Details 6.7.2 Go 2 Market Business Overview 6.7.3 Go 2 Market Cloud Telephony Service Introduction 6.7.4 Go 2 Market Cloud Telephony Service Revenue in United States Market (2016-2021) 6.7.5 Go 2 Market Recent Developments 6.8 Knowlarity 6.8.1 Knowlarity Company Details 6.8.2 Knowlarity Business Overview 6.8.3 Knowlarity Cloud Telephony Service Introduction 6.8.4 Knowlarity Cloud Telephony Service Revenue in United States Market (2016-2021) 6.8.5 Knowlarity Recent Developments 6.9 Lead NXT 6.9.1 Lead NXT Company Details 6.9.2 Lead NXT Business Overview 6.9.3 Lead NXT Cloud Telephony Service Introduction 6.9.4 Lead NXT Cloud Telephony Service Revenue in United States Market (2016-2021) 6.9.5 Lead NXT Recent Developments 6.10 Megapath 6.10.1 Megapath Company Details 6.10.2 Megapath Business Overview 6.10.3 Megapath Cloud Telephony Service Introduction 6.10.4 Megapath Cloud Telephony Service Revenue in United States Market (2016-2021) 6.10.5 Megapath Recent Developments 6.11 Microsoft 6.11.1 Microsoft Company Details 6.11.2 Microsoft Business Overview 6.11.3 Microsoft Cloud Telephony Service Introduction 6.11.4 Microsoft Cloud Telephony Service Revenue in United States Market (2016-2021) 6.11.5 Microsoft Recent Developments 6.12 Mitel 6.12.1 Mitel Company Details 6.12.2 Mitel Business Overview 6.12.3 Mitel Cloud Telephony Service Introduction 6.12.4 Mitel Cloud Telephony Service Revenue in United States Market (2016-2021) 6.12.5 Mitel Recent Developments 6.13 Natterbox 6.13.1 Natterbox Company Details 6.13.2 Natterbox Business Overview 6.13.3 Natterbox Cloud Telephony Service Introduction 6.13.4 Natterbox Cloud Telephony Service Revenue in United States Market (2016-2021) 6.13.5 Natterbox Recent Developments 6.14 NetFortis 6.14.1 NetFortis Company Details 6.14.2 NetFortis Business Overview 6.14.3 NetFortis Cloud Telephony Service Introduction 6.14.4 NetFortis Cloud Telephony Service Revenue in United States Market (2016-2021) 6.14.5 NetFortis Recent Developments 6.15 Nextiva 6.15.1 Nextiva Company Details 6.15.2 Nextiva Business Overview 6.15.3 Nextiva Cloud Telephony Service Introduction 6.15.4 Nextiva Cloud Telephony Service Revenue in United States Market (2016-2021) 6.15.5 Nextiva Recent Developments 6.16 NFON 6.16.1 NFON Company Details 6.16.2 NFON Business Overview 6.16.3 NFON Cloud Telephony Service Introduction 6.16.4 NFON Cloud Telephony Service Revenue in United States Market (2016-2021) 6.16.5 NFON Recent Developments 6.17 NovaCloud 6.17.1 NovaCloud Company Details 6.17.2 NovaCloud Business Overview 6.17.3 NovaCloud Cloud Telephony Service Introduction 6.17.4 NovaCloud Cloud Telephony Service Revenue in United States Market (2016-2021) 6.17.5 NovaCloud Recent Developments 6.18 NTT Communications 6.18.1 NTT Communications Company Details 6.18.2 NTT Communications Business Overview 6.18.3 NTT Communications Cloud Telephony Service Introduction 6.18.4 NTT Communications Cloud Telephony Service Revenue in United States Market (2016-2021) 6.18.5 NTT Communications Recent Developments 6.19 PortaOne 6.19.1 PortaOne Company Details 6.19.2 PortaOne Business Overview 6.19.3 PortaOne Cloud Telephony Service Introduction 6.19.4 PortaOne Cloud Telephony Service Revenue in United States Market (2016-2021) 6.19.5 PortaOne Recent Developments 6.20 Redcentric 6.20.1 Redcentric Company Details 6.20.2 Redcentric Business Overview 6.20.3 Redcentric Cloud Telephony Service Introduction 6.20.4 Redcentric Cloud Telephony Service Revenue in United States Market (2016-2021) 6.20.5 Redcentric Recent Developments 6.21 RingCentral 6.21.1 RingCentral Company Details 6.21.2 RingCentral Business Overview 6.21.3 RingCentral Cloud Telephony Service Introduction 6.21.4 RingCentral Cloud Telephony Service Revenue in United States Market (2016-2021) 6.21.5 RingCentral Recent Developments 6.22 Singtel 6.22.1 Singtel Company Details 6.22.2 Singtel Business Overview 6.22.3 Singtel Cloud Telephony Service Introduction 6.22.4 Singtel Cloud Telephony Service Revenue in United States Market (2016-2021) 6.22.5 Singtel Recent Developments 6.23 Solutions Infini 6.23.1 Solutions Infini Company Details 6.23.2 Solutions Infini Business Overview 6.23.3 Solutions Infini Cloud Telephony Service Introduction 6.23.4 Solutions Infini Cloud Telephony Service Revenue in United States Market (2016-2021) 6.23.5 Solutions Infini Recent Developments 6.24 Telviva 6.24.1 Telviva Company Details 6.24.2 Telviva Business Overview 6.24.3 Telviva Cloud Telephony Service Introduction 6.24.4 Telviva Cloud Telephony Service Revenue in United States Market (2016-2021) 6.24.5 Telviva Recent Developments 6.25 Tripudio 6.25.1 Tripudio Company Details 6.25.2 Tripudio Business Overview 6.25.3 Tripudio Cloud Telephony Service Introduction 6.25.4 Tripudio Cloud Telephony Service Revenue in United States Market (2016-2021) 6.25.5 Tripudio Recent Developments 6.26 VoIPStudio 6.26.1 VoIPStudio Company Details 6.26.2 VoIPStudio Business Overview 6.26.3 VoIPStudio Cloud Telephony Service Introduction 6.26.4 VoIPStudio Cloud Telephony Service Revenue in United States Market (2016-2021) 6.26.5 VoIPStudio Recent Developments 6.27 Intermedia 6.27.1 Intermedia Company Details 6.27.2 Intermedia Business Overview 6.27.3 Intermedia Cloud Telephony Service Introduction 6.27.4 Intermedia Cloud Telephony Service Revenue in United States Market (2016-2021) 6.27.5 Intermedia Recent Developments 6.28 Vox 6.28.1 Vox Company Details 6.28.2 Vox Business Overview 6.28.3 Vox Cloud Telephony Service Introduction 6.28.4 Vox Cloud Telephony Service Revenue in United States Market (2016-2021) 6.28.5 Vox Recent Developments 7 Conclusion 8 Appendix 8.1 Note 8.2 Examples of Clients 8.3 Author Details 8.4 Disclaimer

List of Tables Table 1. Cloud Telephony Service Market Opportunities & Trends in United States Market Table 2. Cloud Telephony Service Market Drivers in United States Market Table 3. Cloud Telephony Service Market Restraints in United States Market Table 4. Key Players of Cloud Telephony Service in United States Market Table 5. Top Cloud Telephony Service Players in United States Market, Ranking by Revenue (2019) Table 6. United States Cloud Telephony Service Revenue by Companies, (US$, Mn), 2016-2021 Table 7. United States Cloud Telephony Service Revenue Share by Companies, 2016-2021 Table 8. Companies Cloud Telephony Service Product Type Table 9. List of Tier 1 Cloud Telephony Service Companies, Revenue (US$, Mn) in 2020 and Market Share Table 10. List of Tier 2 and Tier 3 Cloud Telephony Service Companies, Revenue (US$, Mn) in 2020 and Market Share Table 11. By Type – United States Cloud Telephony Service Revenue, (US$, Mn), 2021 & 2027 Table 12. By Type - United States Cloud Telephony Service Revenue (US$, Mn), 2016-2021 Table 13. By Type - United States Cloud Telephony Service Revenue (US$, Mn), 2022-2027 Table 14. By Application – United States Cloud Telephony Service Revenue, (US$, Mn), 2021 VS 2027 Table 15. By Application - United States Cloud Telephony Service Revenue (US$, Mn), 2016-2021 Table 16. By Application - United States Cloud Telephony Service Revenue (US$, Mn), 2022-2027 Table 17. 8x8 Company Details Table 18. 8x8 Business Overview Table 19. 8x8 Cloud Telephony Service Product Table 20. 8x8 Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 21. 8x8 Recent Developments Table 22. AVOXI Company Details Table 23. AVOXI Business Overview Table 24. AVOXI Cloud Telephony Service Product Table 25. AVOXI Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 26. AVOXI Recent Developments Table 27. BroadSoft Company Details Table 28. BroadSoft Business Overview Table 29. BroadSoft Cloud Telephony Service Product Table 30. BroadSoft Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 31. BroadSoft Recent Developments Table 32. Cisco Company Details Table 33. Cisco Business Overview Table 34. Cisco Cloud Telephony Service Product Table 35. Cisco Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 36. Cisco Recent Developments Table 37. DIALPAD Company Details Table 38. DIALPAD Business Overview Table 39. DIALPAD Cloud Telephony Service Product Table 40. DIALPAD Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 41. DIALPAD Recent Developments Table 42. Exotel Company Details Table 43. Exotel Business Overview Table 44. Exotel Cloud Telephony Service Product Table 45. Exotel Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 46. Exotel Recent Developments Table 47. Go 2 Market Company Details Table 48. Go 2 Market Business Overview Table 49. Go 2 Market Cloud Telephony Service Product Table 50. Go 2 Market Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 51. Go 2 Market Recent Developments Table 52. Knowlarity Company Details Table 53. Knowlarity Business Overview Table 54. Knowlarity Cloud Telephony Service Product Table 55. Knowlarity Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 56. Knowlarity Recent Developments Table 57. Lead NXT Company Details Table 58. Lead NXT Business Overview Table 59. Lead NXT Cloud Telephony Service Product Table 60. Lead NXT Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 61. Lead NXT Recent Developments Table 62. Megapath Company Details Table 63. Megapath Business Overview Table 64. Megapath Cloud Telephony Service Product Table 65. Megapath Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 66. Megapath Recent Developments Table 67. Microsoft Company Details Table 68. Microsoft Business Overview Table 69. Microsoft Cloud Telephony Service Product Table 70. Microsoft Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 71. Microsoft Recent Developments Table 72. Mitel Company Details Table 73. Mitel Business Overview Table 74. Mitel Cloud Telephony Service Product Table 75. Mitel Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 76. Mitel Recent Developments Table 77. Natterbox Company Details Table 78. Natterbox Business Overview Table 79. Natterbox Cloud Telephony Service Product Table 80. Natterbox Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 81. Natterbox Recent Developments Table 82. NetFortis Company Details Table 83. NetFortis Business Overview Table 84. NetFortis Cloud Telephony Service Product Table 85. NetFortis Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 86. NetFortis Recent Developments Table 87. Nextiva Business Overview Table 88. Nextiva Company Details Table 89. Nextiva Cloud Telephony Service Product Table 90. Nextiva Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 91. Nextiva Recent Developments Table 92. NFON Company Details Table 93. NFON Business Overview Table 94. NFON Cloud Telephony Service Product Table 95. NFON Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 96. NFON Recent Developments Table 97. NovaCloud Company Details Table 98. NovaCloud Business Overview Table 99. NovaCloud Cloud Telephony Service Product Table 100. NovaCloud Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 101. NovaCloud Recent Developments Table 102. NTT Communications Company Details Table 103. NTT Communications Business Overview Table 104. NTT Communications Cloud Telephony Service Product Table 105. NTT Communications Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 106. NTT Communications Recent Developments Table 107. PortaOne Company Details Table 108. PortaOne Business Overview Table 109. PortaOne Cloud Telephony Service Product Table 110. PortaOne Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 111. PortaOne Recent Developments Table 112. Redcentric Company Details Table 113. Redcentric Business Overview Table 114. Redcentric Cloud Telephony Service Product Table 115. Redcentric Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 116. Redcentric Recent Developments Table 117. RingCentral Company Details Table 118. RingCentral Business Overview Table 119. RingCentral Cloud Telephony Service Product Table 120. RingCentral Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 121. RingCentral Recent Developments Table 122. Singtel Company Details Table 123. Singtel Business Overview Table 124. Singtel Cloud Telephony Service Product Table 125. Singtel Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 126. Singtel Recent Developments Table 127. Solutions Infini Company Details Table 128. Solutions Infini Business Overview Table 129. Solutions Infini Cloud Telephony Service Product Table 130. Solutions Infini Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 131. Solutions Infini Recent Developments Table 132. Telviva Company Details Table 133. Telviva Business Overview Table 134. Telviva Cloud Telephony Service Product Table 135. Telviva Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 136. Telviva Recent Developments Table 137. Tripudio Company Details Table 138. Tripudio Business Overview Table 139. Tripudio Cloud Telephony Service Product Table 140. Tripudio Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 141. Tripudio Recent Developments Table 142. VoIPStudio Company Details Table 143. VoIPStudio Business Overview Table 144. VoIPStudio Cloud Telephony Service Product Table 145. VoIPStudio Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 146. VoIPStudio Recent Developments Table 147. Intermedia Company Details Table 148. Intermedia Business Overview Table 149. Intermedia Cloud Telephony Service Product Table 150. Intermedia Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 151. Intermedia Recent Developments Table 152. Vox Company Details Table 153. Vox Business Overview Table 154. Vox Cloud Telephony Service Product Table 155. Vox Cloud Telephony Service Revenue in United States Market (2016-2021) & (US$ Million) Table 156. Vox Recent Developments List of Figures Figure 1. Cloud Telephony Service Segment by Type Figure 2. Cloud Telephony Service Segment by Application Figure 3. United States Cloud Telephony Service Market Overview: 2020 Figure 4. United States Cloud Telephony Service Market Size: 2021 VS 2027 (US$, Mn) Figure 5. United States Cloud Telephony Service Revenue, 2016-2027 (US$, Mn) Figure 6. The Top 3 and 5 Players Market Share by Cloud Telephony Service Revenue in 2020 Figure 7. By Type - United States Cloud Telephony Service Revenue Market Share, 2016-2027 Figure 8. By Application - United States Cloud Telephony Service Revenue Market Share, 2016-2027 Figure 9. 8x8 Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 10. AVOXI Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 11. BroadSoft Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 12. Cisco Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 13. DIALPAD Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 14. Exotel Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 15. Go 2 Market Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 16. Knowlarity Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 17. Lead NXT Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 18. Megapath Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 19. Microsoft Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 20. Mitel Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 21. Natterbox Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 22. NetFortis Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 23. Nextiva Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 24. NFON Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 25. NovaCloud Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 26. NTT Communications Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 27. PortaOne Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 28. Redcentric Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 29. RingCentral Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 30. Singtel Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 31. Solutions Infini Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 32. Telviva Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 33. Tripudio Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 34. VoIPStudio Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 35. Intermedia Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021) Figure 36. Vox Cloud Telephony Service Revenue Year Over Year Growth (US$, Mn) & (2016-2021)

8x8 AVOXI BroadSoft Cisco DIALPAD Exotel Go 2 Market Knowlarity Lead NXT Megapath Microsoft Mitel Natterbox NetFortis Nextiva NFON NovaCloud NTT Communications PortaOne Redcentric RingCentral Singtel Solutions Infini Telviva Tripudio VoIPStudio Intermedia Vox