To place an off-campus call, simply dial the 10 digit number.
To call another telephone on campus, (includes RHV) dial the 4 digit extension number.
To place an international call, dial the country code, city code, local area code, then the assigned number.
Example:
44-20-7327-1000
44 country code (UK)
20 city code (London)
73 local area code
27-1000 customers assigned number