STEP 1

	SIGN UP FOR IDD1526 SERVICE REGISTER MOBILE NUMBER TO YOUR ACCOUNT SEND SMS COMMAND RECEIVE VIRTUAL NUMBER FROM SMS

	Sign up here for IDD1526 service.
	Register your Singapore mobile number to the account.
	Send a SMS to +65 9229 5935 with content "CF Overseas number" (e.g. CF6012xxxxxxx) from the registered mobile number to set your overseas number and request for virtual number.
	System will reply back with SMS an assigned virtual number.

	STEP 2

	CHANGI AIRPORT

	Before flying off Singapore, divert all the voice calls to the assigned virtual number by entering **21*Virtual Number# and press the call button. Alternatively, you can navigate through the Call Setting function of your mobile menu to do so.
	Turn off your phone and take the flight.

	STEP 3

	OVERSEAS AIRPORT OVERSEAS SIM CARD

	Upon touching down on the destination airport, you will start receiving calls calling to your Singapore number on your overseas number.
	If your overseas roaming number is an overseas mobile, just insert the overseas SIM card SIM card into a compatible Mobile. You will start receiving calls calling to your Singapore numbers on your overseas mobile.
	The SMS to Your singapore mobile number can still be received and reply on your Singapore SIM card if it is roaming on the destination country.
	If you are changing your overseas number, simply send the SMS command "CF Overseas Number" again from your Singapore mobile. The system will update the new overseas number.