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Microsoft Teams Direct Routing


Microsoft Teams Direct Routing

Microsoft Teams – Direct Routing provides you with the ability to make calls within Microsoft Teams.

It enables PSTN calling and a range of additional call control features for Microsoft Teams. FirstNet VoIP connectivity for the Microsoft Phone System add-on, allowing inbound and outbound telephony.

Available to Microsoft 365 customers who wish to use FirstNet as their preferred voice carrier to enable their users to make and receive PSTN calls, Microsoft Teams – Direct Routing is an ideal solution for those businesses wanting to take steps into the cloud.

Microsoft Teams – Direct Routing is an ideal alternative to Microsoft calling plans and, with the solution, there’s no need for on-premise hardware. It utilises Microsoft certified Session Border Controllers (SBCs) to deliver better value, greater flexibility, increased functionality and support for migration, all as a cloud-based service.

How does this help my business?


  • Calls to Anyone – Supports calls to and from anywhere

  • Cost Saving – Significant cost saving per user compared to Microsoft’s calling plans, allowing you to maximise your existing 365 license cost.

  • Agile – Allows for flexible and remote working as well as enabling a collaborative approach.

  • Complete Cloud Solution – With no expensive initial outlay and no requirement for traditional hardware, it’s a complete cloud-based solution.

  • No Missed Calls – Tailored business continuity with network and number resilience to keep your business working.

  • Access to Advanced Call Statistics – Online access to call statistics enables informed business decisions.

  • Number Porting – Keep the same geographical number wherever you are.


  • Minimal upfront capital expenditure

  • Designed around your business

  • Ongoing Customer support

  • Feature-rich, easy-to-use phones

  • Productivity-enhancing unified communications

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FirstNet’s SBC’s are officially certified by Microsoft for Direct Routing that gives our customers the added benefit for worldwide Microsoft support.


In general FirstNet is able to connect to almost any third-party PBX. The most suitable and uncomplicated, easy to use solution for you and your networks that simply works.

To use Microsoft Teams – Direct Routing from FirstNet, you’ll need the following:

  • Microsoft 365, or Office 365, license including Teams available from FirstNet as a Microsoft Direct CSP. 

  • Microsoft 365 is a cloud-based subscription service that brings together the Microsoft tools and applications for the way people work today. Teams is the Unified Communications environment which Microsoft 365 uses to create and share content and communicate in multiple ways via messaging, chat, voice and video

  • Microsoft Phone System add-on and a reliable internet connection

  • Phone System is the feature used by Microsoft as the PBX replacement or voice component of Microsoft Teams.

  • Reliable internet connection

  • Once you’ve got those sorted out, your business will be ready to take advantage of Microsoft Teams – Direct Routing powered by FirstNet.