OpenScape Voice

As part of the OpenScape Enterprise portfolio, OpenScape Voice enables your enterprise to talk—with each other, with your customers, with all your stakeholders, with immediacy and richness. With its carrier-grade reliability and unsurpassed scalability, OpenScape Voice is a leading enterprise telephony software application for mid- and large-sized enterprise companies.
A guy on a phone on his desk

Benefits of OpenScape Voice

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Large Enterprise Focus

OpenScape Voice stands out as an enterprise telephony software solution tailored for mid-sized to large enterprise companies, providing carrier-grade reliability and unparalleled scalability. It is scalable up to 100,000 users per system and a virtually unlimited number of users when OpenScape Voice systems are networked.

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Increase Employee Effectiveness

Give your employees and business partners the tools they need with OpenScape Voice as a stand-alone voice appliance or integrated with other unified communications applications. OpenScape Voice combines security, scalability and flexible deployment with the features your enterprise needs.

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Security

OpenScape Voice ensures security on all its interfaces, safeguarding the audio in your calls and conferences, providing secure access for administration and using only encrypted connections within the Ecosystem. It provides event logging to keep track of security related actions and security updates are part of the appliance model concept.

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Trust

Built to carrier grade standards for reliability and scalability, OpenScape Voice features a significant private cloud deployment, with over 135 thousand users deployed in one private cloud for just one of our customers.

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Wide Range of Devices

Mitel offers a wide variety of choices, whether you need a traditional wired phone, a cordless model, or a software-based softphone. Our selection provides seamless compatibility with other devices, simple setup, and clear, high-quality sound. Plus, we offer a range of accessories to help you customize your phone system.

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Deployment Flexibility

OpenScape Voice can be deployed on-premise or in data centers as a Private Cloud, or as a multi-tenant capable Hosted/Public Cloud solution to deliver voice capabilities that enable faster, more effective business communications.

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Empower your voice collaboration

We’ve learned to communicate in a lot of ways, but when it really counts, we use the tool that matters most — our voice. We seamlessly synchronize voice with mobility, video and web conferencing, chat, messaging, presence, one-number service and more. Embed voice into your business applications. You can even unify your in-place multi-vendor voice network without ripping and replacing. All with one elegant framework. Now that’s worth talking about.

Four people putting together four puzzle pieces

Otto Group Companies Leverage Private Cloud Communication

“Our old telephone system was no longer suitable for today’s business processes. What we needed was a seamless communication solution that would enable employees to work from anywhere.”

 Lutz Bandholt, telecommunications, Engineer at the Otto Group

Office of the OTTO company

Microsoft Teams Client

OpenScape Voice facilitates seamless integration with Microsoft Teams via native SIP trunking. Supported by OpenScape SBC or certified AudioCodes SBCs, it enables all essential telephony functions. Additionally, users can toggle between calls after consultation and control media bypass settings. This comprehensive feature set ensures smooth communication between OpenScape Voice and Microsoft Teams.

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ECOSYSTEM

The OpenScape Voice ecosystem is there for you. By seamlessly synchronizing voice with mobility, video and web conferencing, chat, messaging, presence, one-number service, we harmonize your communications into a single framework.

OpenScape Branch

OpenScape Branch provides the remote office a cost-effective survivability option in an OpenScape Voice solution.

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OpenScape Session Border Controller

OpenScape SBC is a next generation session border controller that enables OpenScape SIP-based communication and applications to be securely extended beyond the boundaries of a VoIP Enterprise network.

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OpenScape Management Applications

OpenScape Management applications provide a comprehensive and unified set of management applications for an OpenScape Enterprise solution. It delivers automation, visibility and control over all voice, UC and 3rd party assets required for the network.

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White Paper

Aragon Research Names Mitel Contact Center Leader for 2025

As a first-time recipient of the Leader designation for 2025 in the Contact Center Globe, Mitel’s offerings align with the direction of the Contact Center industry and the demands of the market 

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Features

  • Next Gen (100% SIP-based) Enterprise VoIP Solution
  • Carrier Grade Reliability (5 9s) Active – Active Server Architecture
  • Carrier Grade Routing and Translation for Cloud/Overlay Deployments (IP-Least Cost Routing)
  • Fits Into Virtualized Architecture (VMware)
  • Industry Leading Scalability Up to 100,000 Users on a System

  • 100% Call Failover Support – No Lost Calls on a Single Node Failure
  • Multi-tenant Support
  • Licensing options – Perpetual (CAPEX), Subscription (OPEX)
  • Hybrid configuration
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