Your employees can make calls worldwide with high-quality voice transmission directly within the Microsoft 365 Cloud – thanks to Business Voice for Microsoft Teams

Microsoft Teams combines a wide range of communication channels and also serves as a virtual telephone system for your company. With Business Voice for Microsoft Teams from Sunrise Business, there’s no need to switch devices – you get the usual high-quality voice transmission provided by Sunrise together with your existing landline numbers. Your company no longer has to rely on conventional phone infrastructure and benefits from attractive rates with pay-as-you-go models.

Your advantages at a glance

Cloud or hybrid solution

With Business Voice for Microsoft Teams, you can choose between two options:

We’ll be happy to advise on which option is best for you and provides you with the most benefits and cost savings.


Mobile calling with Microsoft Teams – with your existing mobile number

In the future, we’ll also be integrating mobile phone services into Microsoft Teams: Operator Connect for mobile numbers will soon be available as an additional service. This will increase productivity in your company and make it easier for all employees to work flexibly and make calls wherever they are. 

To make sure you don’t miss a thing, use the link below to register. We’ll keep you informed in good time about the latest news and the launch of Operator Connect for mobile numbers.

Work Smart Voice

With the Work Smart Voice option, you also benefit from flexible flat rates and individual rate plans for cloud phone services with Microsoft Teams.

Managed Services from Sunrise Business

We’ll handle everything for you. Rely on our extensive expertise and focus on your core business. Our certified Microsoft specialists have already migrated many customers to Business Voice for Microsoft Teams. The wide choice of onboarding packages ensures a seamless start. Sunrise Business supports your company before, during and after migration to the cloud phone service with Business Voice for Microsoft Teams. With Sunrise Business, you have a single point of contact for all collaboration and phone projects.


For Business Voice for Microsoft Teams, you’ll need an appropriate Microsoft 365 Office license or a corresponding add-on from Microsoft. To get started, you can test selected licenses for Microsoft 365 free of charge for one month. 

You can purchase and manage the Microsoft licenses and add-ons directly via the Sunrise Business Marketplace

You don’t have access to the Sunrise Business Marketplace yet? 

Register here now.

Yes, the onboarding packages are an integral part of Business Voice for Microsoft Teams and guarantee a professional, efficient installation and a seamless start. The onboarding packages are tailored to businesses of different sizes and with different requirements. You simply choose the package that suits your needs.

The costs are roughly made up of the following: 

  • Microsoft licenses (see FAQs Question 1) 

  • Individual choice of rate plan, depending on your needs (user-based or channel-based) 

  • Onboarding package for seamless installation

Sunrise Business offers landline phone services with two billing options. Either user-based (number-based) or channel-based. Further information on the channel-based billing option can be found in the Business Voice Flyer.

We have certified Microsoft specialists with extensive expertise who have already successfully completed many projects with Business Voice for Microsoft Teams and know what matters. We’ll advise and support your company before, during and after the installation of all the necessary components. As a strategic partner of Microsoft, Sunrise Business has a broad and deep skill set in the Microsoft portfolio and has already been awarded several gold and silver awards.

Companies that trust Sunrise Business

Our awards

We have won multiple awards as an outstanding telecommunications and ICT service provider.

Contact us!

Our team of experts will be happy to advise you.