Creating extensions
International Phone Number:
Type: iTelNumber
CC:
Type: crediCard
ISBN:
Type: ISBN
VAT:
Type: VAT
IP:
Type: IP (IP address number)
IBAN:
Type: IBAN
DK-IBAN:
Type: DK-IBAN (Danish IBAN number -- includes Greenland and Faroe Islands)
US-SSN:
Type: US-SSN (US Social Security Number