
Native integration bringing enterprise telephony and contact center capabilities into Microsoft Teams.
8x8 for Microsoft Teams extends Teams with enterprise-grade telephony, contact center, and global PSTN connectivity through a native integration. Users can make and receive calls, access advanced contact center features, and collaborate without leaving the Teams environment.
The solution leverages 8x8's global carrier network to provide reliable voice quality and regulatory compliance across regions. IT teams benefit from centralized administration, single sign-on, and unified billing while employees gain seamless access to advanced communications capabilities within their familiar Teams workflow.



CloudTalk Business Phone System is a cloud calling platform for sales and support teams.

Zoom Phone is a cloud-based business phone system with voice, voicemail, and SMS capabilities.


Vonage Unified Communications delivers cloud-based voice, video, and messaging for business teams worldwide.


Enterprise SIP trunking service providing high-quality voice connectivity over IP networks.


Elastic SIP trunking service providing global voice connectivity with programmable call routing.


Cloud SIP trunking service providing global voice connectivity with direct carrier routing.

Avaya Cloud Office is a cloud-based unified communications solution integrating voice, messaging, and collaboration tools.
Microsoft Teams Phone System for business calling in M365.

CloudTalk Business Phone System is a cloud calling platform for sales and support teams.


Microsoft Teams is Microsoft's team collaboration and unified communications service in Microsoft 365.


SIP trunking on a carrier-owned network with direct interconnects and A-level STIR/SHAKEN attestation.


All-in-one business communications platform unifying voice, video, messaging, and SMS with AI note-taking.


Voice AI agent platform for building, scaling, and iterating AI-powered phone agents on carrier-grade infrastructure.


Five9 is a major intelligent cloud contact center platform with AI, automation, and omnichannel capabilities for large enterprises.


Vonage Communications APIs enable developers to embed voice, video, messaging, and verification into applications.

Zoom Phone is a cloud-based business phone system with voice, voicemail, and SMS capabilities.
Vonage Unified Communications delivers cloud-based voice, video, and messaging for business teams worldwide.

Enterprise SIP trunking service providing high-quality voice connectivity over IP networks.

Elastic SIP trunking service providing global voice connectivity with programmable call routing.

Cloud SIP trunking service providing global voice connectivity with direct carrier routing.

Avaya Cloud Office is a cloud-based unified communications solution integrating voice, messaging, and collaboration tools.
Microsoft Teams is Microsoft's team collaboration and unified communications service in Microsoft 365.

SIP trunking on a carrier-owned network with direct interconnects and A-level STIR/SHAKEN attestation.

All-in-one business communications platform unifying voice, video, messaging, and SMS with AI note-taking.

Voice AI agent platform for building, scaling, and iterating AI-powered phone agents on carrier-grade infrastructure.

Five9 is a major intelligent cloud contact center platform with AI, automation, and omnichannel capabilities for large enterprises.

Programmable voice APIs for making, receiving, and managing phone calls globally.

Vonage Communications APIs enable developers to embed voice, video, messaging, and verification into applications.
