Alcatel-Lucent Enterprise Rainbow
Unified Communications
Cloud communications platform offering messaging, voice, and video with CPaaS capabilities.
Price$8.96+ / user / month
Unified Communications
Cloud communications platform offering messaging, voice, and video with CPaaS capabilities.
Price$8.96+ / user / month
Unified Communications
Enterprise communications suite from Atos offering unified messaging, telephony and collaboration via OpenScape products.
Unified Communications
RingCentral is the cloud communications platform that unifies business phone, SMS, team messaging, video meetings, and contact center in one app.
Price$25+ / month
Unified Communications
Unified communications platform combining business phone, video conferencing, chat, and file management for mid-market businesses.
Price$27.99+ / user / month
Unified Communications as a Service
Enterprise cloud communications platform with global voice, video, messaging, and contact center for distributed organizations.
Unified Communications
8x8 provides a unified cloud communications platform combining business phone, video conferencing, team messaging, and contact center in a single solution.
Communication APIs
Vonage, an Ericsson company, provides cloud communications APIs and unified communications solutions enabling businesses to embed voice, video, messaging, and authentication into applications.

Unified Communications
Peer-to-peer universal communications platform from Savoir-faire Linux with end-to-end encrypted video calls and messaging.
Unified Communications
Cloud communications provider delivering VIP, contact center, and collaboration services powered by the NetSapiens platform.
Price$14.95+ / user / month
Unified Communications as a Service
Sangoma's full-spectrum communications solution with voice, video, chat, and fax.
Price$25.99+ / seat / month