Beta Launch Exclusive

Free additional

UK number

No extra SIM card needed.

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How It Works



Deutsche Telekom colleagues are invited to join immmr‘s closed beta. Enter your info above.



You will receive an invitation with instructions on how to install the app on your mobile device.



During the closed beta, try out video calls, group messages and free calling minutes.

What's immmr?

Calls, videos, additional numbers and messaging from any device.

MWC2017 1

Voice Calling

MWC2017 2

Free immmrOut calls to international mobile and landline numbers, plus immmr-to-immmr.

Additional Numbers

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Free UK number without an extra SIM card.
Set up a blind date or sell those unwanted gifts.

Video Calling

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Nothing beats seeing a friendly face.
One-on-one, in a group, always for free. 

Cross Device

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Full access to your contacts, calls, videos and messages from any connected device.


immmrBoost: Exclusively for Slovak Telekom Customers

  • Your mobile phone number on any device, anywhere. Learn more here!
  • Free additional UK mobile number
  • Free international calling with 100 free minutes to 15 countries