Optional_Optional_phone | fax | email | pager | url | sms | other
Optional_home | work | temp | old | mobile - purpose of this contact point
Optional_The actual contact point details
OptionalextensionAdditional content defined by implementations
OptionalidUnique id for inter-element referencing
OptionalperiodTime period when the contact point was/is in use
OptionalrankSpecify preferred order of use (1 = highest)
Optionalsystemphone | fax | email | pager | url | sms | other
Optionalusehome | work | temp | old | mobile - purpose of this contact point
OptionalvalueThe actual contact point details
Specify preferred order of use (1 = highest)