BEGIN:VCARD
VERSION:3.0
PRODID:-//Apple Inc.//Address Book 6.1.2//EN
N:User;Test;;;
FN:Test User
item1.TEL;type=pref:123456789
item1.X-ABLabel:extra_custom_field
X-ABUID:ACDCD057-545E-40C3-8C43-1E9614B94FD5:ABPerson
END:VCARD