Solve your problem step by step.
If you cannot connect to the mobile network, you can use WiFi Calling to make calls via the WLAN.
Get step-by-step help from Smart Support.
If you cannot connect to the mobile network, you can use WiFi Calling to make calls via the WLAN.
Go to www.swisscom.ch/status for information about current faults and maintenance work.
Unable to make calls abroad?
Ensure that you include the correct country code and remove the block on international calls in My Swisscom(opens in new tab).
Check on the network coverage map how good mobile phone reception is at your location.
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