As ISO 21090, a constraint of TEL.PERSON so it must refer to some telephone based communication system with a person. This data type flavor supports the logical representation of the following NHS Data Model and Dictionary telephone address structures.

• UK TELEPHONE NUMBER, i.e. a COMMUNICATION CONTACT STRING where COMMUNICATION CONTACT METHOD = 'UK Telephone Number'.
• UK FACSIMILE NUMBER, i.e. a COMMUNICATION CONTACT STRING where COMMUNICATION CONTACT METHOD = 'UK Facsimile Number'.
• COMMUNICATION CONTACT STRING where COMMUNICATION CONTACT METHOD = 'Other non UK Telephone Number' or 'Pager'.

Furthermore the NHS Data Model and Dictionary specifies a number of specific usage types of UK TELEPHONE NUMBER. These can be specified using the use attribute.

• CONTACT TELEPHONE NUMBER (HOME), i.e. use = TelecommunicationAddressUse.H (a communication address at home)
• CONTACT TELEPHONE NUMBER (WORK), i.e. use = TelecommunicationAddressUse.WP (work)
• CONTACT TELEPHONE NUMBER (MOBILE), i.e. use = TelecommunicationAddressUse.MC (mobile number)

Specializes

TEL.PERSON

Constraints

Type	Name	Specification
Phone	Invariant	-- the URL scheme must be 'tel' or 'x-text-fax' or 'x-text-tel'

Reference Model Type