help | 10 Connection mode | Setting the connection mode
10.2 Setting the connection mode
You can specify whether you want to receive and make calls via the mobile network or via the Enreach Contact app.
* 
By default, calls are made and received via the Enreach Contact app.
 
* 
If the SIM card is not active in the device, the call will not be delivered.
 
* 
If you are using a tablet, you will not be able to select the connection type and link the SIM card on this device.
 
To specify the connection mode 
1 Tap .
2 Tap on Connection Mode and select one of the following connection modes:
*App only
*GSM only
*App preferred
*GSM preferred
Further information on the different connection modes can be found at SIM card linking.
*Calls are now received and made via the selected connection mode.