Android Device phone call ability

Question

How can I tell whether a given device has the ability to make phone calls?

For example, my Galaxy Tablet cannot initiate call, its not a phone. I want to detect tha

Answer 1

You can check only TELEPHONY feature or GSM and CDMA separately:

private boolean hasTelephony() {
    return getPackageManager().hasSystemFeature(PackageManager.FEATURE_TELEPHONY);
}

or

private boolean hasGsmOrCdma() {
    PackageManager pm = getPackageManager();

    boolean gsmSupported = pm.hasSystemFeature(PackageManager.FEATURE_TELEPHONY_GSM);
    boolean cdmaSupported = pm.hasSystemFeature(PackageManager.FEATURE_TELEPHONY_CDMA);
//if necessary write somehow what exactly the devise supports
return gsmSupported || cdmaSupported;
    }

works well!