public async void InitializeCallingInfoAsync()
{
MonitorCallState();
//Get all phone lines (To detect dual SIM devices)
var getPhoneLinesTask = GetPhoneLinesAsync();
AllPhoneLines = await getPhoneLinesTask;
//Get number of lines
NoOfLines = AllPhoneLines.Count;
//Get Default Phone Line
var getDefaultLineTask = GetDefaultPhoneLineAsync();
CurrentPhoneLine = await getDefaultLineTask;
}