You will need to dial the following:
origination country exit code destination country code telephone number
Exit code - Every country is assigned an exit code used when dialing outside of that particular country
Country code - Every country is assigned a country code for incoming calls to that particular country
Phone number - For most countries we provide the number of digits in a phone number, area codes (where used), starting digits for cell phone numbers
Example: 00 61 (Australia) 7 (area code) 12345678 (phone number)
For a list of country codes, please click here.