・Display your phone number.
・Able to display your phone number in a notification area when an incoming/outgoing call has occurred.
・Dual/Multi SIM support. (Android 5.1 and above)
・Can not display the phone number for the SIM in use in the international roaming.
・Even though dual SIM device, more than one phone numbers should not be displayed with Android 5.0 and below. (not verified)
・Three or more of the SIM should work, but not yet verified.