1 Study Coverage 1.1 IP-based PBX Revenue in IP-based PBX Business (2017-2022) & (US$ Million) Introduction 1.2 Global IP-based PBX Outlook 2017 VS 2022 VS 2028 1.2.1 Global IP-based PBX Market Size for the Year 2017-2028 1.2.2 Global IP-based PBX Market Size for the Year 2017-2028 1.3 IP-based PBX Market Size, United States VS Global, 2017 VS 2022 VS 2028 1.3.1 The Market Share of United States IP-based PBX in Global, 2017 VS 2022 VS 2028 1.3.2 The Growth Rate of IP-based PBX Market Size, United States VS Global, 2017 VS 2022 VS 2028 1.4 IP-based PBX Market Dynamics 1.4.1 IP-based PBX Industry Trends 1.4.2 IP-based PBX Market Drivers 1.4.3 IP-based PBX Market Challenges 1.4.4 IP-based PBX Market Restraints 1.5 Study Objectives 1.6 Years Considered 2 IP-based PBX by Type 2.1 IP-based PBX Market Segment by Type 2.1.1 Unlimited PBX 2.1.2 Metered PBX 2.2 Global IP-based PBX Market Size by Type (2017, 2022 & 2028) 2.3 Global IP-based PBX Market Size by Type (2017-2028) 2.4 United States IP-based PBX Market Size by Type (2017, 2022 & 2028) 2.5 United States IP-based PBX Market Size by Type (2017-2028) 3 IP-based PBX by Application 3.1 IP-based PBX Market Segment by Application 3.1.1 SMEs 3.1.2 Large Enterprises 3.2 Global IP-based PBX Market Size by Application (2017, 2022 & 2028) 3.3 Global IP-based PBX Market Size by Application (2017-2028) 3.4 United States IP-based PBX Market Size by Application (2017, 2022 & 2028) 3.5 United States IP-based PBX Market Size by Application (2017-2028) 4 Global IP-based PBX Competitor Landscape by Company 4.1 Global IP-based PBX Market Size by Company 4.1.1 Top Global IP-based PBX Companies Ranked by Revenue (2021) 4.1.2 Global IP-based PBX Revenue by Player (2017-2022) 4.2 Global IP-based PBX Concentration Ratio (CR) 4.2.1 IP-based PBX Market Concentration Ratio (CR) (2017-2022) 4.2.2 Global Top 5 and Top 10 Largest Companies of IP-based PBX in 2021 4.2.3 Global IP-based PBX Market Share by Company Type (Tier 1, Tier 2, and Tier 3) 4.3 Global IP-based PBX Headquarters, Revenue in IP-based PBX Business (2017-2022) & (US$ Million) Type 4.3.1 Global IP-based PBX Headquarters and Area Served 4.3.2 Global IP-based PBX Companies Revenue in IP-based PBX Business (2017-2022) & (US$ Million) Type 4.3.3 Date of International Companies Enter into IP-based PBX Market 4.4 Companies Mergers & Acquisitions, Expansion Plans 4.5 United States IP-based PBX Market Size by Company 4.5.1 Top IP-based PBX Players in United States, Ranked by Revenue (2021) 4.5.2 United States IP-based PBX Revenue by Players (2020, 2021 & 2022) 5 Global IP-based PBX Market Size by Region 5.1 Global IP-based PBX Market Size by Region: 2017 VS 2022 VS 2028 5.2 Global IP-based PBX Market Size by Region (2017-2028) 5.2.1 Global IP-based PBX Market Size by Region: 2017-2022 5.2.2 Global IP-based PBX Market Size by Region (2023-2028) 6 Segment in Region Level & Country Level 6.1 North America 6.1.1 North America IP-based PBX Market Size YoY Growth 2017-2028 6.1.2 North America IP-based PBX Market Facts & Figures by Country (2017, 2022 & 2028) 6.1.3 United States 6.1.4 Canada 6.2 Asia-Pacific 6.2.1 Asia-Pacific IP-based PBX Market Size YoY Growth 2017-2028 6.2.2 Asia-Pacific IP-based PBX 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 China Taiwan 6.2.9 Indonesia 6.2.10 Thailand 6.2.11 Malaysia 6.3 Europe 6.3.1 Europe IP-based PBX Market Size YoY Growth 2017-2028 6.3.2 Europe IP-based PBX 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 IP-based PBX Market Size YoY Growth 2017-2028 6.4.2 Latin America IP-based PBX 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 IP-based PBX Market Size YoY Growth 2017-2028 6.5.2 Middle East and Africa IP-based PBX 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 Microsoft 7.1.1 Microsoft Company Details 7.1.2 Microsoft Business Overview 7.1.3 Microsoft IP-based PBX Introduction 7.1.4 Microsoft Revenue in IP-based PBX Business (2017-2022) 7.1.5 Microsoft Recent Development 7.2 Cisco 7.2.1 Cisco Company Details 7.2.2 Cisco Business Overview 7.2.3 Cisco IP-based PBX Introduction 7.2.4 Cisco Revenue in IP-based PBX Business (2017-2022) 7.2.5 Cisco Recent Development 7.3 Mitel Networks 7.3.1 Mitel Networks Company Details 7.3.2 Mitel Networks Business Overview 7.3.3 Mitel Networks IP-based PBX Introduction 7.3.4 Mitel Networks Revenue in IP-based PBX Business (2017-2022) 7.3.5 Mitel Networks Recent Development 7.4 RingCentral 7.4.1 RingCentral Company Details 7.4.2 RingCentral Business Overview 7.4.3 RingCentral IP-based PBX Introduction 7.4.4 RingCentral Revenue in IP-based PBX Business (2017-2022) 7.4.5 RingCentral Recent Development 7.5 Verizon 7.5.1 Verizon Company Details 7.5.2 Verizon Business Overview 7.5.3 Verizon IP-based PBX Introduction 7.5.4 Verizon Revenue in IP-based PBX Business (2017-2022) 7.5.5 Verizon Recent Development 7.6 MegaPath 7.6.1 MegaPath Company Details 7.6.2 MegaPath Business Overview 7.6.3 MegaPath IP-based PBX Introduction 7.6.4 MegaPath Revenue in IP-based PBX Business (2017-2022) 7.6.5 MegaPath Recent Development 7.7 Nextiva 7.7.1 Nextiva Company Details 7.7.2 Nextiva Business Overview 7.7.3 Nextiva IP-based PBX Introduction 7.7.4 Nextiva Revenue in IP-based PBX Business (2017-2022) 7.7.5 Nextiva Recent Development 7.8 3CX 7.8.1 3CX Company Details 7.8.2 3CX Business Overview 7.8.3 3CX IP-based PBX Introduction 7.8.4 3CX Revenue in IP-based PBX Business (2017-2022) 7.8.5 3CX Recent Development 7.9 Estech Systems 7.9.1 Estech Systems Company Details 7.9.2 Estech Systems Business Overview 7.9.3 Estech Systems IP-based PBX Introduction 7.9.4 Estech Systems Revenue in IP-based PBX Business (2017-2022) 7.9.5 Estech Systems Recent Development 7.10 8x8 7.10.1 8x8 Company Details 7.10.2 8x8 Business Overview 7.10.3 8x8 IP-based PBX Introduction 7.10.4 8x8 Revenue in IP-based PBX Business (2017-2022) 7.10.5 8x8 Recent Development 7.11 Sangoma 7.11.1 Sangoma Company Details 7.11.2 Sangoma Business Overview 7.11.3 Sangoma IP-based PBX Introduction 7.11.4 Sangoma Revenue in IP-based PBX Business (2017-2022) 7.11.5 Sangoma Recent Development 7.12 Panasonic 7.12.1 Panasonic Company Details 7.12.2 Panasonic Business Overview 7.12.3 Panasonic IP-based PBX Introduction 7.12.4 Panasonic Revenue in IP-based PBX Business (2017-2022) 7.12.5 Panasonic Recent Development 7.13 NetFortris 7.13.1 NetFortris Company Details 7.13.2 NetFortris Business Overview 7.13.3 NetFortris IP-based PBX Introduction 7.13.4 NetFortris Revenue in IP-based PBX Business (2017-2022) 7.13.5 NetFortris Recent Development 7.14 TPX Communications 7.14.1 TPX Communications Company Details 7.14.2 TPX Communications Business Overview 7.14.3 TPX Communications IP-based PBX Introduction 7.14.4 TPX Communications Revenue in IP-based PBX Business (2017-2022) 7.14.5 TPX Communications 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. IP-based PBX Market Size United States VS Global, CAGR (2017 VS 2022 VS 2028) Table 2. IP-based PBX Market Trends Table 3. IP-based PBX Market Drivers Table 4. IP-based PBX Market Challenges Table 5. IP-based PBX Market Restraints Table 6. Global IP-based PBX Market Size by Type: 2017 VS 2022 VS 2028 (US$ Million) Table 7. United States IP-based PBX Market Size by Type: 2017 VS 2022 VS 2028 (US$ Million) Table 8. Global IP-based PBX Market Size by Application: 2017 VS 2022 VS 2028 (US$ Million) Table 9. United States IP-based PBX Market Size by Application: 2017 VS 2022 VS 2028 (US$ Million) Table 10. Top IP-based PBX Companies in Global Market, Ranking by Revenue (2021) Table 11. Global IP-based PBX Revenue by Player, (US$ Million), 2017-2022 Table 12. Global IP-based PBX Revenue Share by Player, 2017-2022 Table 13. Global IP-based PBX Companies Market Concentration Ratio (CR5 and HHI) Table 14. Global IP-based PBX by Company Type (Tier 1, Tier 2, and Tier 3) & (based on the Revenue in IP-based PBX as of 2021) Table 15. Top Players of IP-based PBX in Global Market, Headquarters and Area Served Table 16. Companies Revenue in IP-based PBX Business (2017-2022) & (US$ Million) Type Table 17. Date of International Companies Enter into IP-based PBX Market Table 18. Companies Mergers & Acquisitions, Expansion Plans Table 19. Top IP-based PBX Players in United States Market, Ranking by Revenue (2021) Table 20. United States IP-based PBX Revenue by Players, (US$ Million), 2020, 2021 & 2022 Table 21. United States IP-based PBX Revenue Share by Players, 2020, 2021 & 2022 Table 22. Global IP-based PBX Market Size by Region (US$ Million): 2017 VS 2022 VS 2028 Table 23. Global IP-based PBX Market Size by Region (2017-2022) & (US$ Million) Table 24. Global IP-based PBX Market Size Forecast by Region (2023-2028) & (US$ Million) Table 25. North America IP-based PBX Sales in Value by Country (2017-2028) & (US$ Million) Table 26. Asia Pacific IP-based PBX Sales in Value by Region (2017-2028) & (US$ Million) Table 27. Europe IP-based PBX Sales in Value by Country (2017-2028) & (US$ Million) Table 28. Latin Americaa IP-based PBX Sales in Value by Country (2017-2028) & (US$ Million) Table 29. Middle East and Africa IP-based PBX Sales in Value by Country (2017-2028) & (US$ Million) Table 30. Microsoft Company Details Table 31. Microsoft Business Overview Table 32. Microsoft IP-based PBX Product Table 33. Microsoft Revenue in IP-based PBX Business (2017-2022) & (US$ Million) Table 34. Microsoft Recent Development Table 35. Cisco Company Details Table 36. Cisco Business Overview Table 37. Cisco IP-based PBX Product Table 38. Cisco Revenue in IP-based PBX Business (2017-2022) & (US$ Million) Table 39. Cisco Recent Development Table 40. Mitel Networks Company Details Table 41. Mitel Networks Business Overview Table 42. Mitel Networks IP-based PBX Product Table 43. Mitel Networks Revenue in IP-based PBX Business (2017-2022) & (US$ Million) Table 44. Mitel Networks Recent Development Table 45. RingCentral Company Details Table 46. RingCentral Business Overview Table 47. RingCentral IP-based PBX Product Table 48. RingCentral Revenue in IP-based PBX Business (2017-2022) & (US$ Million) Table 49. RingCentral Recent Development Table 50. Verizon Company Details Table 51. Verizon Business Overview Table 52. Verizon IP-based PBX Product Table 53. Verizon Revenue in IP-based PBX Business (2017-2022) & (US$ Million) Table 54. Verizon Recent Development Table 55. MegaPath Company Details Table 56. MegaPath Business Overview Table 57. MegaPath IP-based PBX Product Table 58. MegaPath Revenue in IP-based PBX Business (2017-2022) & (US$ Million) Table 59. MegaPath Recent Development Table 60. Nextiva Company Details Table 61. Nextiva Business Overview Table 62. Nextiva IP-based PBX Product Table 63. Nextiva Revenue in IP-based PBX Business (2017-2022) & (US$ Million) Table 64. Nextiva Recent Development Table 65. 3CX Company Details Table 66. 3CX Business Overview Table 67. 3CX IP-based PBX Product Table 68. 3CX Revenue in IP-based PBX Business (2017-2022) & (US$ Million) Table 69. 3CX Recent Development Table 70. Estech Systems Company Details Table 71. Estech Systems Business Overview Table 72. Estech Systems IP-based PBX Product Table 73. Estech Systems Revenue in IP-based PBX Business (2017-2022) & (US$ Million) Table 74. Estech Systems Recent Development Table 75. 8x8 Company Details Table 76. 8x8 Business Overview Table 77. 8x8 IP-based PBX Product Table 78. 8x8 Revenue in IP-based PBX Business (2017-2022) & (US$ Million) Table 79. 8x8 Recent Development Table 80. Sangoma Company Details Table 81. Sangoma Business Overview Table 82. Sangoma IP-based PBX Product Table 83. Sangoma Revenue in IP-based PBX Business (2017-2022) & (US$ Million) Table 84. Sangoma Recent Development Table 85. Panasonic Company Details Table 86. Panasonic Business Overview Table 87. Panasonic IP-based PBX Product Table 88. Panasonic Revenue in IP-based PBX Business (2017-2022) & (US$ Million) Table 89. Panasonic Recent Development Table 90. NetFortris Company Details Table 91. NetFortris Business Overview Table 92. NetFortris IP-based PBX Product Table 93. NetFortris Revenue in IP-based PBX Business (2017-2022) & (US$ Million) Table 94. NetFortris Recent Development Table 95. TPX Communications Company Details Table 96. TPX Communications Business Overview Table 97. TPX Communications IP-based PBX Product Table 98. TPX Communications Revenue in IP-based PBX Business (2017-2022) & (US$ Million) Table 99. TPX Communications Recent Development Table 100. Research Programs/Design for This Report Table 101. Key Data Information from Secondary Sources Table 102. Key Data Information from Primary Sources List of Figures Figure 1. IP-based PBX Product Picture Figure 2. Global IP-based PBX Market Size, (US$ Million), 2017 VS 2022 VS 2028 Figure 3. Global IP-based PBX Market Size 2017-2028 (US$ Million) Figure 4. United States IP-based PBX Market Size, (US$ Million), 2017 VS 2022 VS 2028 Figure 5. United States IP-based PBX Market Size 2017-2028 (US$ Million) Figure 6. United States IP-based PBX Market Share in Global 2017-2028 Figure 7. IP-based PBX Report Years Considered Figure 8. Product Picture of Unlimited PBX Figure 9. Product Picture of Metered PBX Figure 10. Global IP-based PBX Market Share by Type in 2022 & 2028 Figure 11. Global IP-based PBX Market Size by Type (2017-2028) & (US$ Million) Figure 12. Global IP-based PBX Market Share by Type (2017-2028) Figure 13. United States IP-based PBX Market Share by Type in 2022 & 2028 Figure 14. United States IP-based PBX Market Size by Type (2017-2028) & (US$ Million) Figure 15. United States IP-based PBX Market Share by Type (2017-2028) Figure 16. Product Picture of SMEs Figure 17. Product Picture of Large Enterprises Figure 18. Global IP-based PBX Market Share by Application in 2022 & 2028 Figure 19. Global IP-based PBX Market Size by Application (2017-2028) & (US$ Million) Figure 20. Global IP-based PBX Market Share by Application (2017-2028) Figure 21. United States IP-based PBX Market Share by Application in 2022 & 2028 Figure 22. United States IP-based PBX Market Size by Application (2017-2028) & (US$ Million) Figure 23. United States IP-based PBX Market Share by Application (2017-2028) Figure 24. North America IP-based PBX Market Size Growth Rate 2017-2028 (US$ Million) Figure 25. United States IP-based PBX Market Size Growth Rate (2017-2028) & (US$ Million) Figure 26. Canada IP-based PBX Market Size Growth Rate (2017-2028) & (US$ Million) Figure 27. Europe IP-based PBX Market Size Growth Rate 2017-2028 (US$ Million) Figure 28. Germany IP-based PBX Market Size Growth Rate (2017-2028) & (US$ Million) Figure 29. France IP-based PBX Market Size Growth Rate (2017-2028) & (US$ Million) Figure 30. U.K. IP-based PBX Market Size Growth Rate (2017-2028) & (US$ Million) Figure 31. Italy IP-based PBX Market Size Growth Rate (2017-2028) & (US$ Million) Figure 32. Russia IP-based PBX Market Size Growth Rate (2017-2028) & (US$ Million) Figure 33. Asia-Pacific IP-based PBX Market Size Growth Rate 2017-2028 (US$ Million) Figure 34. China IP-based PBX Market Size Growth Rate (2017-2028) & (US$ Million) Figure 35. Japan IP-based PBX Market Size Growth Rate (2017-2028) & (US$ Million) Figure 36. South Korea IP-based PBX Market Size Growth Rate (2017-2028) & (US$ Million) Figure 37. India IP-based PBX Market Size Growth Rate (2017-2028) & (US$ Million) Figure 38. Australia IP-based PBX Market Size Growth Rate (2017-2028) & (US$ Million) Figure 39. China Taiwan IP-based PBX Market Size Growth Rate (2017-2028) & (US$ Million) Figure 40. Indonesia IP-based PBX Market Size Growth Rate (2017-2028) & (US$ Million) Figure 41. Thailand IP-based PBX Market Size Growth Rate (2017-2028) & (US$ Million) Figure 42. Malaysia IP-based PBX Market Size Growth Rate (2017-2028) & (US$ Million) Figure 43. Latin America IP-based PBX Market Size Growth Rate 2017-2028 (US$ Million) Figure 44. Mexico IP-based PBX Market Size Growth Rate (2017-2028) & (US$ Million) Figure 45. Brazil IP-based PBX Market Size Growth Rate (2017-2028) & (US$ Million) Figure 46. Argentina IP-based PBX Market Size Growth Rate (2017-2028) & (US$ Million) Figure 47. Middle East & Africa IP-based PBX Market Size Growth Rate 2017-2028 (US$ Million) Figure 48. Turkey IP-based PBX Market Size Growth Rate (2017-2028) & (US$ Million) Figure 49. Saudi Arabia IP-based PBX Market Size Growth Rate (2017-2028) & (US$ Million) Figure 50. UAE IP-based PBX Market Size Growth Rate (2017-2028) & (US$ Million) Figure 51. Microsoft Revenue Growth Rate in IP-based PBX Business (2017-2022) Figure 52. Cisco Revenue Growth Rate in IP-based PBX Business (2017-2022) Figure 53. Mitel Networks Revenue Growth Rate in IP-based PBX Business (2017-2022) Figure 54. RingCentral Revenue Growth Rate in IP-based PBX Business (2017-2022) Figure 55. Verizon Revenue Growth Rate in IP-based PBX Business (2017-2022) Figure 56. MegaPath Revenue Growth Rate in IP-based PBX Business (2017-2022) Figure 57. Nextiva Revenue Growth Rate in IP-based PBX Business (2017-2022) Figure 58. 3CX Revenue Growth Rate in IP-based PBX Business (2017-2022) Figure 59. Estech Systems Revenue Growth Rate in IP-based PBX Business (2017-2022) Figure 60. 8x8 Revenue Growth Rate in IP-based PBX Business (2017-2022) Figure 61. Sangoma Revenue Growth Rate in IP-based PBX Business (2017-2022) Figure 62. Panasonic Revenue Growth Rate in IP-based PBX Business (2017-2022) Figure 63. NetFortris Revenue Growth Rate in IP-based PBX Business (2017-2022) Figure 64. TPX Communications Revenue Growth Rate in IP-based PBX Business (2017-2022) Figure 65. Bottom-up and Top-down Approaches for This Report Figure 66. Data Triangulation Figure 67. Key Executives Interviewed

Microsoft Cisco Mitel Networks RingCentral Verizon MegaPath Nextiva 3CX Estech Systems 8x8 Sangoma Panasonic NetFortris TPX Communications