8x8 Voice for Microsoft Teams

Give all Teams users the power to connect and collaborate.

Organizations around the world empower employees to collaborate with Microsoft Teams. 8x8 Voice for Microsoft Teams supercharges Teams with global PSTN calling and powers the 8x8 Contact Center for Microsoft Teams.

8×8 Voice for Microsoft Teams is a cloud-based direct routing service that enables Teams users to make and receive calls over the public switched telephone network (PSTN) using the native Teams desktop, mobile or web app. It removes administrative complexities of setting up on-premises equipment, SIP trunks or end-user software, and enhances the Teams user experience through better call quality, advanced phone features and choice of economical calling plans that complement Teams-to-Teams calling and expands Teams PSTN calling globally.

Organizations also benefit from rapid deployment and better commercial licensing, including unlimited local and international calls to 47 countries, full PSTN replacement across 43 countries, and DID plus toll-free numbers in over 120 countries. 8×8 Voice for Microsoft Teams enables contact center agents using 8×8 Contact Center for Microsoft Teams to simplify customer engagement workflows using Teams. With the 8×8 Voice for Microsoft Teams app, users can conveniently send or receive business SMS1 texts, MMS1 messages, faxes or access voicemails in Teams without switching apps. 8×8 Voice for Microsoft Teams gives your organization all the benefits of a global enterprise communication solution, saving you time and money without the hassle of managing a communications and contact center infrastructure or complicating the Teams user experience.

Fast-track your Microsoft Teams Voice Calling Success


  • Enterprise-grade cloud PBX with unlimited inbound or outbound calls from / to the PSTN or extensions.
  • Calling features include ring groups, call queues, transfers, voicemail, call hold, recording, etc.
  • Integrated business messaging (SMS, MMS, faxes, individual or group voicemails) using Teams.
  • Self-service access to change voicemail settings or adjust call forwarding information or log in or out of assigned call queues.
  • Microsoft Teams certified contact center with omnichannel capabilities supporting call stacking, wallboards, priority queuing, social media integration for agents using Teams.
  • Powerful speech analytics with performance and usage dashboards and reporting options.
  • Out-of-the-box integrations with business apps including: Salesforce, Zendesk, ServiceNow, NetSuite, etc.
  • Single administration interface for user provisioning and management.
  • 24/7 follow-the-sun global support centers.
  • Industry-leading security and compliance certifications including: CPNI, HIPAA, NIST 800-53 R4, FISMA, EU Standard Contractual Clauses (SCC), ISO 27001:2013, ISO 9001, PCI-DSS 3.2.1 SAQ-D Solution Provider, GDPR, UK Government G-Cloud Supplier, UK Cyber Essentials Plus, Data-in-motion encryption with Session Initiation Protocol (SIP) over Transport Layer Security (TLS) and 


  • Risk-free, simple setup without changing the Teams user interface or user experience. 

  • 8×8 Contact Center for Microsoft Teams empowers contact center agents to make or receive PSTN calls in Teams. 

  • Global PSTN calling for Teams with full PSTN replacement in 43 countries, toll free and DID numbers in 120+ countries. 

  • Unlimited calling plans for up to 47 countries provide predictable operational costs. 

  • Mitigate security and compliance risks by using an 8×8 number to send or receive business SMS texts, MMS messages or faxes directly from Teams. 

  • Security and compliance certifications help organizations comply with strict standards, protect their reputations, and secure their customer data. 

  • Real-time visibility of Teams and non-Teams calls traversing the 8×8 voice network. 

  • Supports Teams and non-Teams endpoints.