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Switching Between Callback and Direct Calls

KnowRoaming offers two types of calling methods,Callback and Direct. In most countries, Callback will be the less expensive option and will be the default method.


When making an outbound call on KnowRoaming the default method the SIM will choose is the less expensive, callback, method.


Please keep in mind that all countries offer the Callback method but not all countries offer Direct calling. If you see N/A as the Direct calling rate in the Rates tab (within the KnowRoaming app) it means Direct calling it not available in that country. 


If you wish to manually change which method your KnowRoaming SIM uses, follow the instructions below:

 

iPhone Devices


To manually change the settings to only use the Callback method:

Go to your iPhone Settings > scroll down and select Cellular or Mobile Data > scroll down and select SIM Applications > select Callback > choose On

To manually change the settings to only use the Direct method:

Go to your iPhone Settings > scroll down and select Cellular or Mobile Data > scroll down and select SIM Applications > select Callback > choose Off

To manually change the settings back to the default:

Go to your iPhone Settings > scroll down and select Cellular or Mobile Data > scroll down and select SIM Applications > select Callback > choose Automatic

 *On older versions of iOS, SIM Applications is located in Settings > Phone.  

 

Android Devices


To manually change the settings to only use the Callback method:

Go to your Apps Menu > select the SIM Toolkit app > select Callback > choose On

To manually change the settings to only use the Direct method:

Go to your Apps Menu > select the SIM Toolkit app > select Callback > choose Off

To manually change the settings back to the default:

Go to your Apps Menu > select the SIM Toolkit app > select Callback > choose Automatic

 

Windows Devices


To manually change the settings to only use the Callback method:

Go to your Windows Settings > scroll down and select mobile network > scroll down and select sim applications > select Callback > choose On

To manually change the settings to only use the Direct method:

Go to your Windows Settings > scroll down and select mobile network > scroll down and select sim applications > select Callback > choose Off

To manually change the settings back to the default:

Go to your Windows Settings > scroll down and select mobile network > scroll down and select sim applications > select Callback > choose Automatic

 


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