Connect, Communicate and Collaborate with Teams Direct Routing

Boost productivity and improve employee engagement by enabling voice for external calls within Microsoft Teams.

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Two ways to enable voice in Microsoft Teams

Direct Routing

Provide a PSTN connection for Teams users to enable external voice calls.

Wave Teams +

Enable unified communications features within Teams, such as call reporting and recording.

Teams Direct Routing

Seamless integration with your current phone system.

Teams Direct Routing allows you to make and receive external calls directly from the Teams app. This means your workforce can use telephony features within Teams from anywhere, at any time, without the need for additional hardware or software. Direct Routing is a cost-effective solution for businesses looking to upgrade and streamline their communications setup.

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Reliable and secure hosting

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Integrate calls, chat, file sharing and more into one platform

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Our call charges always beat Microsoft’s calling plans

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Wave Teams+

Bring full unified communications features to Microsoft Teams.

Wave Teams+ brings together the best of both worlds; market-leading collaboration from Teams with the affordable and intuitive Wave phone system. No third-party plugins or toolbars are required to make it function, meaning you can access the enterprise telephony features, delivered to the Microsoft Teams application.

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Add advanced call routing and reporting to Microsoft Teams

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One contract, one supplier, providing fully-featured telephony

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Secure and reliable

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Enable cost-effective unified communications with the leading Teams Direct Routing provider

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“Direct Routing for Teams means everything is all in one place in comparison to other systems. We used to contact each other by WhatsApp or Zoom, but Teams is much easier and more business focused. Having one app to manage everything is great for us.”

Sam Seller,


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“All of our colleagues are now making use of Teams with Gradwell’s Direct Routing as a Service solution. We now have a highly available modern unified communications and telephony platform which requires little input from ICT technical staff.”

Jason Hanger,

Cloud Solutions Engineer

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“Gradwell were by far and away the best value for money quote that we received, the Gradwell pricing structure is just phenomenal – such a massive difference from some other providers, and together with their exceptional service levels, it really was a no-brainer.”

Chris Goodchild,

General Manager

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Market-leading customer service meets the best Teams Direct Routing solutions

Unparalleled expertise

We helped Microsoft pilot and test Teams Direct Routing. We know what we’re talking about and have a deep understanding of the technology.

Resilient and secure

We are ISO 27001:2013 certified and our Network Operations Centre monitors our systems 24/7.

Trusted by thousands

We support thousands of UK businesses, who rely on us for secure, reliable, and cost-effective UC solutions to enable their workforce.


Our experts answer your most common questions about our Teams Direct Routing services.  

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What is Microsoft Teams Direct Routing?

Great question! Teams Direct Routing allows you to make calls to businesses and customers throughout the world, all within Microsoft Teams. By using SIP trunks to route your calls over the internet, it is a cost-effective solution delivered via one platform.

How does Teams Direct Routing work?

We simply host a Microsoft Teams-certified Session Border Controller (SBC) within our own network, which we then connect to our SIP Trunks. We then add another trunk between the SBC and Microsoft Teams so we can configure the line and connect this up with your Teams accounts.

What if I already have Office 365 but not Teams?

Depending on your Office 365 licence, you’ll either already have free access to Teams or you may need to upgrade. Contact us if you’d to discuss your organisation’s setup.

Why should I buy from Gradwell?

We are one of the UK’s leading IP communications providers. We work with SMEs, charities and larger businesses to help them get the most out of modern telephony and communications software.

To use Wave Teams+, do I need a Microsoft license?

Yes – A Microsoft 365 subscription with Teams is needed, plus a Teams Phone Standard (without calling plan) license.

Does presence work with Wave Teams+?

Yes. Depending on what kind of call you are making, we update presence in both systems to reflect your availability. If you’re making a PSTN call, Teams updates to say you’re busy / on a call. If you are using a Teams feature - like video calling or in a meeting - then Wave will update your presence automatically. This means whichever system you’re viewing, you can see the  accurate and real-time availability of colleagues.

Do I get call recording with Wave Teams+?

Yes – call recording is a Wave feature, and works on inbound and outbound calls that are handled by Wave only. Teams to Teams voice or video calls are not recorded in Wave.

Why Gradwell?

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Expert support

Receive as much or as little help as you need from our dedicated UK support team – 24/7/365 – and only pay for what you need.

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Born in the cloud

We’ve always engineered our solutions in the cloud, benefitting from decades of experience plus learning and responding to the market.

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Secure & compliant

Enjoy total peace of mind thanks to our ISO 27001:2013 certification, Microsoft Gold Partner and 3CX Titanium Partner statuses.