Corporate Telephony Market
1 Report Business Overview
1.1 Study Scope
1.2 Market Analysis by Type
1.2.1 Global Corporate Telephony Market Size Growth Rate by Type, 2017 VS 2021 VS 2028
1.2.2 IP-PBX
1.2.3 Key Telephone System
1.2.4 Wireless Private Branch Exchange
1.3 Market by Application
1.3.1 Global Corporate Telephony Market Size Growth Rate by Application, 2017 VS 2021 VS 2028
1.3.2 IT
1.3.3 BFSI
1.3.4 Retail
1.3.5 Manufacturing
1.3.6 Other
1.4 Study Objectives
1.5 Years Considered
2 Global Growth Trends
2.1 Global Corporate Telephony Market Perspective (2017-2028)
2.2 Corporate Telephony Growth Trends by Region
2.2.1 Corporate Telephony Market Size by Region: 2017 VS 2021 VS 2028
2.2.2 Corporate Telephony Historic Market Size by Region (2017-2022)
2.2.3 Corporate Telephony Forecasted Market Size by Region (2023-2028)
2.3 Corporate Telephony Market Dynamics
2.3.1 Corporate Telephony Industry Trends
2.3.2 Corporate Telephony Market Drivers
2.3.3 Corporate Telephony Market Challenges
2.3.4 Corporate Telephony Market Restraints
3 Competition Landscape by Key Players
3.1 Global Top Corporate Telephony Players by Revenue
3.1.1 Global Top Corporate Telephony Players by Revenue (2017-2022)
3.1.2 Global Corporate Telephony Revenue Market Share by Players (2017-2022)
3.2 Global Corporate Telephony Market Share by Company Type (Tier 1, Tier 2, and Tier 3)
3.3 Players Covered: Ranking by Corporate Telephony Revenue
3.4 Global Corporate Telephony Market Concentration Ratio
3.4.1 Global Corporate Telephony Market Concentration Ratio (CR5 and HHI)
3.4.2 Global Top 10 and Top 5 Companies by Corporate Telephony Revenue in 2021
3.5 Corporate Telephony Key Players Head office and Area Served
3.6 Key Players Corporate Telephony Product Solution and Service
3.7 Date of Enter into Corporate Telephony Market
3.8 Mergers & Acquisitions, Expansion Plans
4 Corporate Telephony Breakdown Data by Type
4.1 Global Corporate Telephony Historic Market Size by Type (2017-2022)
4.2 Global Corporate Telephony Forecasted Market Size by Type (2023-2028)
5 Corporate Telephony Breakdown Data by Application
5.1 Global Corporate Telephony Historic Market Size by Application (2017-2022)
5.2 Global Corporate Telephony Forecasted Market Size by Application (2023-2028)
6 North America
6.1 North America Corporate Telephony Market Size (2017-2028)
6.2 North America Corporate Telephony Market Size by Type
6.2.1 North America Corporate Telephony Market Size by Type (2017-2022)
6.2.2 North America Corporate Telephony Market Size by Type (2023-2028)
6.2.3 North America Corporate Telephony Market Share by Type (2017-2028)
6.3 North America Corporate Telephony Market Size by Application
6.3.1 North America Corporate Telephony Market Size by Application (2017-2022)
6.3.2 North America Corporate Telephony Market Size by Application (2023-2028)
6.3.3 North America Corporate Telephony Market Share by Application (2017-2028)
6.4 North America Corporate Telephony Market Size by Country
6.4.1 North America Corporate Telephony Market Size by Country (2017-2022)
6.4.2 North America Corporate Telephony Market Size by Country (2023-2028)
6.4.3 U.S.
6.4.4 Canada
7 Europe
7.1 Europe Corporate Telephony Market Size (2017-2028)
7.2 Europe Corporate Telephony Market Size by Type
7.2.1 Europe Corporate Telephony Market Size by Type (2017-2022)
7.2.2 Europe Corporate Telephony Market Size by Type (2023-2028)
7.2.3 Europe Corporate Telephony Market Share by Type (2017-2028)
7.3 Europe Corporate Telephony Market Size by Application
7.3.1 Europe Corporate Telephony Market Size by Application (2017-2022)
7.3.2 Europe Corporate Telephony Market Size by Application (2023-2028)
7.3.3 Europe Corporate Telephony Market Share by Application (2017-2028)
7.4 Europe Corporate Telephony Market Size by Country
7.4.1 Europe Corporate Telephony Market Size by Country (2017-2022)
7.4.2 Europe Corporate Telephony Market Size by Country (2023-2028)
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 Countries
8 Asia-Pacific
8.1 Asia-Pacific Corporate Telephony Market Size (2017-2028)
8.2 Asia-Pacific Corporate Telephony Market Size by Type
8.2.1 Asia-Pacific Corporate Telephony Market Size by Type (2017-2022)
8.2.2 Asia-Pacific Corporate Telephony Market Size by Type (2023-2028)
8.2.3 Asia-Pacific Corporate Telephony Market Share by Type (2017-2028)
8.3 Asia-Pacific Corporate Telephony Market Size by Application
8.3.1 Asia-Pacific Corporate Telephony Market Size by Application (2017-2022)
8.3.2 Asia-Pacific Corporate Telephony Market Size by Application (2023-2028)
8.3.3 Asia-Pacific Corporate Telephony Market Share by Application (2017-2028)
8.4 Asia-Pacific Corporate Telephony Market Size by Region
8.4.1 Asia-Pacific Corporate Telephony Market Size by Region (2017-2022)
8.4.2 Asia-Pacific Corporate Telephony Market Size by Region (2023-2028)
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 Corporate Telephony Market Size (2017-2028)
9.2 Latin America Corporate Telephony Market Size by Type
9.2.1 Latin America Corporate Telephony Market Size by Type (2017-2022)
9.2.2 Latin America Corporate Telephony Market Size by Type (2023-2028)
9.2.3 Latin America Corporate Telephony Market Share by Type (2017-2028)
9.3 Latin America Corporate Telephony Market Size by Application
9.3.1 Latin America Corporate Telephony Market Size by Application (2017-2022)
9.3.2 Latin America Corporate Telephony Market Size by Application (2023-2028)
9.3.3 Latin America Corporate Telephony Market Share by Application (2017-2028)
9.4 Latin America Corporate Telephony Market Size by Country
9.4.1 Latin America Corporate Telephony Market Size by Country (2017-2022)
9.4.2 Latin America Corporate Telephony Market Size by Country (2023-2028)
9.4.3 Mexico
9.4.4 Brazil
10 Middle East & Africa
10.1 Middle East & Africa Corporate Telephony Market Size (2017-2028)
10.2 Middle East & Africa Corporate Telephony Market Size by Type
10.2.1 Middle East & Africa Corporate Telephony Market Size by Type (2017-2022)
10.2.2 Middle East & Africa Corporate Telephony Market Size by Type (2023-2028)
10.2.3 Middle East & Africa Corporate Telephony Market Share by Type (2017-2028)
10.3 Middle East & Africa Corporate Telephony Market Size by Application
10.3.1 Middle East & Africa Corporate Telephony Market Size by Application (2017-2022)
10.3.2 Middle East & Africa Corporate Telephony Market Size by Application (2023-2028)
10.3.3 Middle East & Africa Corporate Telephony Market Share by Application (2017-2028)
10.4 Middle East & Africa Corporate Telephony Market Size by Country
10.4.1 Middle East & Africa Corporate Telephony Market Size by Country (2017-2022)
10.4.2 Middle East & Africa Corporate Telephony Market Size by Country (2023-2028)
10.4.3 Turkey
10.4.4 Saudi Arabia
10.4.5 UAE
11 Key Players Profiles
11.1 IBM
11.1.1 IBM Company Details
11.1.2 IBM Business Overview
11.1.3 IBM Corporate Telephony Introduction
11.1.4 IBM Revenue in Corporate Telephony Business (2017-2022)
11.1.5 IBM Recent Developments
11.2 Cisco
11.2.1 Cisco Company Details
11.2.2 Cisco Business Overview
11.2.3 Cisco Corporate Telephony Introduction
11.2.4 Cisco Revenue in Corporate Telephony Business (2017-2022)
11.2.5 Cisco Recent Developments
11.3 Mitel
11.3.1 Mitel Company Details
11.3.2 Mitel Business Overview
11.3.3 Mitel Corporate Telephony Introduction
11.3.4 Mitel Revenue in Corporate Telephony Business (2017-2022)
11.3.5 Mitel Recent Developments
11.4 Siemens
11.4.1 Siemens Company Details
11.4.2 Siemens Business Overview
11.4.3 Siemens Corporate Telephony Introduction
11.4.4 Siemens Revenue in Corporate Telephony Business (2017-2022)
11.4.5 Siemens Recent Developments
11.5 NEC
11.5.1 NEC Company Details
11.5.2 NEC Business Overview
11.5.3 NEC Corporate Telephony Introduction
11.5.4 NEC Revenue in Corporate Telephony Business (2017-2022)
11.5.5 NEC Recent Developments
11.6 Unify
11.6.1 Unify Company Details
11.6.2 Unify Business Overview
11.6.3 Unify Corporate Telephony Introduction
11.6.4 Unify Revenue in Corporate Telephony Business (2017-2022)
11.6.5 Unify Recent Developments
11.7 Huawei
11.7.1 Huawei Company Details
11.7.2 Huawei Business Overview
11.7.3 Huawei Corporate Telephony Introduction
11.7.4 Huawei Revenue in Corporate Telephony Business (2017-2022)
11.7.5 Huawei Recent Developments
11.8 Toshiba
11.8.1 Toshiba Company Details
11.8.2 Toshiba Business Overview
11.8.3 Toshiba Corporate Telephony Introduction
11.8.4 Toshiba Revenue in Corporate Telephony Business (2017-2022)
11.8.5 Toshiba Recent Developments
11.9 Interactive Intelligence
11.9.1 Interactive Intelligence Company Details
11.9.2 Interactive Intelligence Business Overview
11.9.3 Interactive Intelligence Corporate Telephony Introduction
11.9.4 Interactive Intelligence Revenue in Corporate Telephony Business (2017-2022)
11.9.5 Interactive Intelligence Recent Developments
11.10 Avaya
11.10.1 Avaya Company Details
11.10.2 Avaya Business Overview
11.10.3 Avaya Corporate Telephony Introduction
11.10.4 Avaya Revenue in Corporate Telephony Business (2017-2022)
11.10.5 Avaya Recent Developments
12 Analyst's Viewpoints/Conclusions
13 Appendix
13.1 Research Methodology
13.1.1 Methodology/Research Approach
13.1.2 Data Source
13.2 Author Details
13.3 Disclaimer
List of Tables
Table 1. Global Corporate Telephony Market Size Growth Rate by Type (US$ Million), 2017 VS 2021 VS 2028
Table 2. Key Players of IP-PBX
Table 3. Key Players of Key Telephone System
Table 4. Key Players of Wireless Private Branch Exchange
Table 5. Global Corporate Telephony Market Size Growth Rate by Application (US$ Million), 2017 VS 2021 VS 2028
Table 6. Global Corporate Telephony Market Size by Region (US$ Million): 2017 VS 2021 VS 2028
Table 7. Global Corporate Telephony Market Size by Region (2017-2022) & (US$ Million)
Table 8. Global Corporate Telephony Market Share by Region (2017-2022)
Table 9. Global Corporate Telephony Forecasted Market Size by Region (2023-2028) & (US$ Million)
Table 10. Global Corporate Telephony Market Share by Region (2023-2028)
Table 11. Corporate Telephony Market Trends
Table 12. Corporate Telephony Market Drivers
Table 13. Corporate Telephony Market Challenges
Table 14. Corporate Telephony Market Restraints
Table 15. Global Corporate Telephony Revenue by Players (2017-2022) & (US$ Million)
Table 16. Global Corporate Telephony Revenue Share by Players (2017-2022)
Table 17. Global Top Corporate Telephony by Company Type (Tier 1, Tier 2, and Tier 3) & (based on the Revenue in Corporate Telephony as of 2021)
Table 18. Ranking of Global Top Corporate Telephony Companies by Revenue (US$ Million) in 2021
Table 19. Global 5 Largest Players Market Share by Corporate Telephony Revenue (CR5 and HHI) & (2017-2022)
Table 20. Key Players Headquarters and Area Served
Table 21. Key Players Corporate Telephony Product Solution and Service
Table 22. Date of Enter into Corporate Telephony Market
Table 23. Mergers & Acquisitions, Expansion Plans
Table 24. Global Corporate Telephony Market Size by Type (2017-2022) & (US$ Million)
Table 25. Global Corporate Telephony Revenue Market Share by Type (2017-2022)
Table 26. Global Corporate Telephony Forecasted Market Size by Type (2023-2028) & (US$ Million)
Table 27. Global Corporate Telephony Revenue Market Share by Type (2023-2028)
Table 28. Global Corporate Telephony Market Size by Application (2017-2022) & (US$ Million)
Table 29. Global Corporate Telephony Revenue Share by Application (2017-2022)
Table 30. Global Corporate Telephony Forecasted Market Size by Application (2023-2028) & (US$ Million)
Table 31. Global Corporate Telephony Revenue Share by Application (2023-2028)
Table 32. North America Corporate Telephony Market Size by Type (2017-2022) & (US$ Million)
Table 33. North America Corporate Telephony Market Size by Type (2023-2028) & (US$ Million)
Table 34. North America Corporate Telephony Market Size by Application (2017-2022) & (US$ Million)
Table 35. North America Corporate Telephony Market Size by Application (2023-2028) & (US$ Million)
Table 36. North America Corporate Telephony Market Size by Country (2017-2022) & (US$ Million)
Table 37. North America Corporate Telephony Market Size by Country (2023-2028) & (US$ Million)
Table 38. Europe Corporate Telephony Market Size by Type (2017-2022) & (US$ Million)
Table 39. Europe Corporate Telephony Market Size by Type (2023-2028) & (US$ Million)
Table 40. Europe Corporate Telephony Market Size by Application (2017-2022) & (US$ Million)
Table 41. Europe Corporate Telephony Market Size by Application (2023-2028) & (US$ Million)
Table 42. Europe Corporate Telephony Market Size by Country (2017-2022) & (US$ Million)
Table 43. Europe Corporate Telephony Market Size by Country (2023-2028) & (US$ Million)
Table 44. Asia Pacific Corporate Telephony Market Size by Type (2017-2022) & (US$ Million)
Table 45. Asia Pacific Corporate Telephony Market Size by Type (2023-2028) & (US$ Million)
Table 46. Asia Pacific Corporate Telephony Market Size by Application (2017-2022) & (US$ Million)
Table 47. Asia Pacific Corporate Telephony Market Size by Application (2023-2028) & (US$ Million)
Table 48. Asia Pacific Corporate Telephony Market Size by Region (2017-2022) & (US$ Million)
Table 49. Asia Pacific Corporate Telephony Market Size by Region (2023-2028) & (US$ Million)
Table 50. Latin America Corporate Telephony Market Size by Type (2017-2022) & (US$ Million)
Table 51. Latin America Corporate Telephony Market Size by Type (2023-2028) & (US$ Million)
Table 52. Latin America Corporate Telephony Market Size by Application (2017-2022) & (US$ Million)
Table 53. Latin America Corporate Telephony Market Size by Application (2023-2028) & (US$ Million)
Table 54. Latin America Corporate Telephony Market Size by Country (2017-2022) & (US$ Million)
Table 55. Latin America Corporate Telephony Market Size by Country (2023-2028) & (US$ Million)
Table 56. Middle East and Africa Corporate Telephony Market Size by Type (2017-2022) & (US$ Million)
Table 57. Middle East and Africa Corporate Telephony Market Size by Type (2023-2028) & (US$ Million)
Table 58. Middle East and Africa Corporate Telephony Market Size by Application (2017-2022) & (US$ Million)
Table 59. Middle East and Africa Corporate Telephony Market Size by Application (2023-2028) & (US$ Million)
Table 60. Middle East and Africa Corporate Telephony Market Size by Country (2017-2022) & (US$ Million)
Table 61. Middle East and Africa Corporate Telephony Market Size by Country (2023-2028) & (US$ Million)
Table 62. IBM Company Details
Table 63. IBM Business Overview
Table 64. IBM Corporate Telephony Product
Table 65. IBM Revenue in Corporate Telephony Business (2017-2022) & (US$ Million)
Table 66. IBM Recent Developments
Table 67. Cisco Company Details
Table 68. Cisco Business Overview
Table 69. Cisco Corporate Telephony Product
Table 70. Cisco Revenue in Corporate Telephony Business (2017-2022) & (US$ Million)
Table 71. Cisco Recent Developments
Table 72. Mitel Company Details
Table 73. Mitel Business Overview
Table 74. Mitel Corporate Telephony Product
Table 75. Mitel Revenue in Corporate Telephony Business (2017-2022) & (US$ Million)
Table 76. Mitel Recent Developments
Table 77. Siemens Company Details
Table 78. Siemens Business Overview
Table 79. Siemens Corporate Telephony Product
Table 80. Siemens Revenue in Corporate Telephony Business (2017-2022) & (US$ Million)
Table 81. Siemens Recent Developments
Table 82. NEC Company Details
Table 83. NEC Business Overview
Table 84. NEC Corporate Telephony Product
Table 85. NEC Revenue in Corporate Telephony Business (2017-2022) & (US$ Million)
Table 86. NEC Recent Developments
Table 87. Unify Company Details
Table 88. Unify Business Overview
Table 89. Unify Corporate Telephony Product
Table 90. Unify Revenue in Corporate Telephony Business (2017-2022) & (US$ Million)
Table 91. Unify Recent Developments
Table 92. Huawei Company Details
Table 93. Huawei Business Overview
Table 94. Huawei Corporate Telephony Product
Table 95. Huawei Revenue in Corporate Telephony Business (2017-2022) & (US$ Million)
Table 96. Huawei Recent Developments
Table 97. Toshiba Company Details
Table 98. Toshiba Business Overview
Table 99. Toshiba Corporate Telephony Product
Table 100. Toshiba Revenue in Corporate Telephony Business (2017-2022) & (US$ Million)
Table 101. Toshiba Recent Developments
Table 102. Interactive Intelligence Company Details
Table 103. Interactive Intelligence Business Overview
Table 104. Interactive Intelligence Corporate Telephony Product
Table 105. Interactive Intelligence Revenue in Corporate Telephony Business (2017-2022) & (US$ Million)
Table 106. Interactive Intelligence Recent Developments
Table 107. Avaya Company Details
Table 108. Avaya Business Overview
Table 109. Avaya Corporate Telephony Product
Table 110. Avaya Revenue in Corporate Telephony Business (2017-2022) & (US$ Million)
Table 111. Avaya Recent Developments
Table 112. Research Programs/Design for This Report
Table 113. Key Data Information from Secondary Sources
Table 114. Key Data Information from Primary Sources
List of Figures
Figure 1. Global Corporate Telephony Market Share by Type: 2021 VS 2028
Figure 2. IP-PBX Features
Figure 3. Key Telephone System Features
Figure 4. Wireless Private Branch Exchange Features
Figure 5. Global Corporate Telephony Market Share by Application: 2021 VS 2028
Figure 6. IT Case Studies
Figure 7. BFSI Case Studies
Figure 8. Retail Case Studies
Figure 9. Manufacturing Case Studies
Figure 10. Other Case Studies
Figure 11. Corporate Telephony Report Years Considered
Figure 12. Global Corporate Telephony Market Size (US$ Million), Year-over-Year: 2017-2028
Figure 13. Global Corporate Telephony Market Size, (US$ Million), 2017 VS 2021 VS 2028
Figure 14. Global Corporate Telephony Market Share by Region: 2021 VS 2028
Figure 15. Global Corporate Telephony Market Share by Players in 2021
Figure 16. Global Top Corporate Telephony Players by Company Type (Tier 1, Tier 2, and Tier 3) & (based on the Revenue in Corporate Telephony as of 2021)
Figure 17. The Top 10 and 5 Players Market Share by Corporate Telephony Revenue in 2021
Figure 18. North America Corporate Telephony Market Size YoY (2017-2028) & (US$ Million)
Figure 19. North America Corporate Telephony Market Size Market Share by Type (2017-2028)
Figure 20. North America Corporate Telephony Market Size Market Share by Application (2017-2028)
Figure 21. North America Corporate Telephony Market Size Share by Country (2017-2028)
Figure 22. United States Corporate Telephony Market Size YoY Growth (2017-2028) & (US$ Million)
Figure 23. Canada Corporate Telephony Market Size YoY Growth (2017-2028) & (US$ Million)
Figure 24. Europe Corporate Telephony Market Size YoY (2017-2028) & (US$ Million)
Figure 25. Europe Corporate Telephony Market Size Market Share by Type (2017-2028)
Figure 26. Europe Corporate Telephony Market Size Market Share by Application (2017-2028)
Figure 27. Europe Corporate Telephony Market Size Share by Country (2017-2028)
Figure 28. Germany Corporate Telephony Market Size YoY Growth (2017-2028) & (US$ Million)
Figure 29. France Corporate Telephony Market Size YoY Growth (2017-2028) & (US$ Million)
Figure 30. U.K. Corporate Telephony Market Size YoY Growth (2017-2028) & (US$ Million)
Figure 31. Italy Corporate Telephony Market Size YoY Growth (2017-2028) & (US$ Million)
Figure 32. Russia Corporate Telephony Market Size YoY Growth (2017-2028) & (US$ Million)
Figure 33. Nordic Countries Corporate Telephony Market Size YoY Growth (2017-2028) & (US$ Million)
Figure 34. Asia-Pacific Corporate Telephony Market Size YoY (2017-2028) & (US$ Million)
Figure 35. Asia Pacific Corporate Telephony Market Size Market Share by Type (2017-2028)
Figure 36. Asia Pacific Corporate Telephony Market Size Market Share by Application (2017-2028)
Figure 37. Asia Pacific Corporate Telephony Market Size Share by Region (2017-2028)
Figure 38. China Corporate Telephony Market Size YoY Growth (2017-2028) & (US$ Million)
Figure 39. Japan Corporate Telephony Market Size YoY Growth (2017-2028) & (US$ Million)
Figure 40. South Korea Corporate Telephony Market Size YoY Growth (2017-2028) & (US$ Million)
Figure 41. Southeast Asia Corporate Telephony Market Size YoY Growth (2017-2028) & (US$ Million)
Figure 42. India Corporate Telephony Market Size YoY Growth (2017-2028) & (US$ Million)
Figure 43. Australia Corporate Telephony Market Size YoY Growth (2017-2028) & (US$ Million)
List of Figures
Figure 44. Latin America Corporate Telephony Market Size YoY (2017-2028) & (US$ Million)
Figure 45. Latin America Corporate Telephony Market Size Market Share by Type (2017-2028)
Figure 46. Latin America Corporate Telephony Market Size Market Share by Application (2017-2028)
Figure 47. Latin America Corporate Telephony Market Size Share by Country (2017-2028)
Figure 48. Mexico Corporate Telephony Market Size YoY Growth (2017-2028) & (US$ Million)
Figure 49. Brazil Corporate Telephony Market Size YoY Growth (2017-2028) & (US$ Million)
Figure 50. Middle East & Africa Corporate Telephony Market Size YoY (2017-2028) & (US$ Million)
Figure 51. Middle East and Africa Corporate Telephony Market Size Market Share by Type (2017-2028)
Figure 52. Middle East and Africa Corporate Telephony Market Size Market Share by Application (2017-2028)
Figure 53. Middle East and Africa Corporate Telephony Market Size Share by Country (2017-2028)
Figure 54. Turkey Corporate Telephony Market Size YoY Growth (2017-2028) & (US$ Million)
Figure 55. Saudi Arabia Corporate Telephony Market Size YoY Growth (2017-2028) & (US$ Million)
Figure 56. UAE Corporate Telephony Market Size YoY Growth (2017-2028) & (US$ Million)
Figure 57. IBM Revenue Growth Rate in Corporate Telephony Business (2017-2022)
Figure 58. Cisco Revenue Growth Rate in Corporate Telephony Business (2017-2022)
Figure 59. Mitel Revenue Growth Rate in Corporate Telephony Business (2017-2022)
Figure 60. Siemens Revenue Growth Rate in Corporate Telephony Business (2017-2022)
Figure 61. NEC Revenue Growth Rate in Corporate Telephony Business (2017-2022)
Figure 62. Unify Revenue Growth Rate in Corporate Telephony Business (2017-2022)
Figure 63. Huawei Revenue Growth Rate in Corporate Telephony Business (2017-2022)
Figure 64. Toshiba Revenue Growth Rate in Corporate Telephony Business (2017-2022)
Figure 65. Interactive Intelligence Revenue Growth Rate in Corporate Telephony Business (2017-2022)
Figure 66. Avaya Revenue Growth Rate in Corporate Telephony Business (2017-2022)
Figure 67. Bottom-up and Top-down Approaches for This Report
Figure 68. Data Triangulation
Figure 69. Key Executives Interviewed
Industry Market Size
