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The mobile phone extension for Microsoft Teams

Mobile for Microsoft Teams

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Make calls via Microsoft Teams using your mobile number

Exclusively for Telekom customers, there is a 5% discount on Microsoft Teams Phone Standard.

5% discount for customers

Your advantages

Teams as a communication hub

Everything under control in one tool, at a glance and on any device: chat, video conferencing and telephony

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Everything in one place

Just one call history, one voicemail and one presence status – regardless of the device.

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Accessible everywhere

Be reachable anytime, anywhere on all your devices using your mobile number.

For more efficient teamwork: Integrate your mobile number into Microsoft Teams

Many companies do not want to operate and use their smartphones separately from their collaboration tools. With the mobile phone extension for Microsoft Teams from Telekom, you can integrate your existing mobile phone number into Microsoft Teams and make your collaboration even more seamless and efficient.

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The advantages of Mobile for Microsoft Teams explained in 2 minutes

Discover the combination of Microsoft Teams and telephony with Telekom's excellent mobile network in our video (German only).

Mobile for Microsoft Teams at Telekom

Integrate your existing Telekom mobile number into Microsoft Teams and benefit from outstanding Telekom voice quality and German-speaking, Microsoft-certified expert service – all from a single source.

The most important functions at a glance

Would you prefer to have our experts take care of the order and setup?

No problem! Simply book our extended support services here. We will help you with everything from setup to administration and security. You can also order the extended support services during the consultation.

+49 800 330 4121 (Mon–Fri 8 a.m.–7 p.m., Sat 8 a.m.–4 p.m.)

How to order Mobile for Microsoft Teams




Discover Phone for Microsoft Teams now

Smiling man with glasses using phone for Microsoft Teams X

Discover Phone for Microsoft Teams now

Replaces the old telephone system in your company: integrate existing landline numbers alongside mobile numbers and benefit from simple management directly in Teams, among other things.

Microsoft Solutions Partner Badge

Tailor-made solutions and excellent expert service:

Benefit from the experience and expertise of the #1 Microsoft Cloud Solutions Provider in Germany.

As a Microsoft Solutions Partner, Telekom stands out thanks to its special expertise, extensive experience and successfully completed customer projects in all areas of Microsoft cloud solutions.

How to reach us

0800 330 4121

Do you require advice or would you like a direct quote for Telekom's Teams telephony service? Please feel free to call us. 
(Mon–Fri 8 a.m.–7 p.m., Sat 8 a.m.–4 p.m.)

04_tel-08003304121

Frequently asked questions about Mobile for Microsoft Teams







Our awards

  • Telekom comes out on top in connect mobile network test
  • Siegel-connect landline test winner 2025 Telekom
  • Gold Partner Microsoft
  • Cisco Gold Partner
  • Zoom Gold Partner