Microsoft Viva Connections delivers an employee‑experience hub inside Microsoft Teams, blending intranet, news, resources, and Teams Calling into a single interface. The solutions below are UCaaS platforms that provide comparable unified communications, collaboration, and voice‑calling capabilities—many with native or partner‑driven integration to Microsoft Teams.
Get targeted exposure with custom position pinning and highlighted placement.
Full‑stack UCaaS with voice, video, messaging, and a robust Teams integration that lets users make and receive calls directly from Teams.
Cloud‑based phone system with PSTN calling, voicemail, and a certified Teams integration for click‑to‑dial and call handling inside Teams.
Enterprise‑grade calling, meetings, and messaging platform with native Teams Direct Routing support for seamless call routing.
Unified voice, video, chat, and contact‑center suite with a Teams integration that enables users to place and receive calls from the Teams UI.
All‑in‑one UCaaS offering voice, video, messaging, and a Teams connector for inbound/outbound calling via Teams.
Scalable cloud communications with voice, video, chat, and a certified Teams Direct Routing partnership.
Cloud PBX with voice, video, and collaboration tools plus a Teams integration that lets users manage calls from Teams.
Unified communications suite with voice, video, messaging, and a Teams integration for click‑to‑dial and call control.
AI‑enhanced cloud phone system with voice, video, and a Teams integration that routes calls through Dialpad while using Teams UI.
Business phone service integrated with Google Workspace; can be linked to Teams via third‑party connectors for call handling.
Unified communications platform with voice, video, chat, and a Teams Direct Routing partnership for seamless call experience.
Cloud PBX with voice, video, and messaging; supports Teams Direct Routing for inbound/outbound call integration.
Collaboration suite with messaging, voice, video, and a Teams connector that enables calling from the Teams client.
UCaaS platform delivering voice, video, chat, and a Teams integration for call routing and presence sync.
Cloud communications suite with voice, video, and a Teams Direct Routing integration for unified calling.
Legacy MVP offering now part of RingCentral; provides Teams integration for voice services and unified messaging.
A lightweight connector that brings Zoom Phone capabilities into Teams, allowing Teams users to place Zoom calls without leaving the Teams UI.
Enables any SIP‑based carrier (e.g., Twilio, Bandwidth) to provide PSTN calling inside Teams, effectively turning Teams into a UCaaS platform.
Programmable contact‑center platform that can be embedded in Teams via APIs, delivering voice, chat, and video alongside Teams calling.
Cloud voice API platform with Teams Direct Routing support, allowing businesses to run their own PSTN service inside Teams.