Hosted PBX Market - Global Industry Size, Share, Trends, Opportunity, and Forecast, 2018-2028F

1. RingCentral Inc.
2. 8x8 Inc.
3. Vonage Holdings Corp.
4. Nextiva Inc.
5. Jive Communications Inc.
6. Fusion Connect Inc.
7. Dialpad Inc.
8. Cisco Systems Inc.
9. Mitel Networks Corporation
10. Microsoft Corporation