1. 8x8 Inc.
2. Aircall.io Inc.
3. Ameyo Pvt. Ltd. by Exotel Techcom Pvt. Ltd.
4. Aria Telecom
5. Avaya LLC
6. CallerReady LLC
7. Cisco Systems Inc.
8. CloudShope Technologies Pvt. Ltd.
9. Five9 Inc.
10. Genesys Cloud Services Inc.
11. Global Call Forwarding
12. Hyperon by Decerto Sp. z o.o.
13. International Business Machines Corporation
14. Mitel Networks Corporation
15. MyOperator Communications Private Limited
16. Nextiva Inc.
17. Ozonetel Communications Inc.
18. Phonexa Holdings LLC
19. RingCentral Inc.
20. Talkdesk Inc.
21. Teloz Ltd.
22. Voiptime Cloud Inc.
23. Vonage America
LLC
24. Voxco Group Inc.
25. VoxDesk by 500apps