Free and open first
Best Unified Communications Software in 2026 — page 2
- 28 apps
- Research read 23 Sept 2026
- How the order is worked out
- 26
Avaya IP Office
Paid AndroidiPhoneMac+1Consider Avaya IP Office if your organization wants business calling, messaging, meetings, call recording, and an auto attendant across its listed platforms.
- 27
Mitel MiCollab
Paid AndroidiPhoneMac+2Choose Mitel MiCollab if your organization needs calling, messaging, and video meetings across its supported platforms, with call recording, an auto attendant, and business SMS.
- 28
Mitel OpenScape Business
Paid AndroidiPhoneMac+2Choose Mitel OpenScape Business if your organization needs business calling and team messaging alongside call recording and an auto attendant.