Roaming: Telephony, messaging, and surfing abroad


Making phone calls, surfing and SMS/MMS abroad

You can be reached on your mobile phone number even when you are abroad. You can make calls, send SMS, transfer data, surf the Internet as usual.

In some partner networks, prepaid customers are unable to make outgoing calls, although the other services are available.

Roaming check list

Check availability and costs per country and mobile subscription: Tariff check
In principle, you can use your phone abroad immediately without further ado. If you want to use data roaming, you can check whether it is activated on your smartphone. Learn how to switch on data roaming on your iPhone 7 or Samsung Galaxy S7.
Are you using your mobile close to the Swiss border? How to avoid roaming charges

Keep track of your balance in the Cockpit at, Customer Center or via SMS.

Roaming days for inOne SME mobile & NATEL® business infinity 2.0

Roaming days are counted from when you take a new subscription or change your mobile subscription. The included days and data volume are then renewed automatically after 365 days.

Roaming days start abroad when you:

  • make or take a call
  • send or receive an MMS
  • send an SMS
  • use the Internet (e.g. surfing in the mobile network)


Surfing abroad

Phone calls abroad

SMS/MSS abroad