Existing Wording: ContactPoint.system

Definition: Telecommunications form for contact point - what communications system is required to make use of the contact.

Terminology Binding ContactPointSystem (Required)

ContactPoint.use

Definition: Identifies the purpose for the contact point.

Terminology Binding ContactPointUse (Required)

Is Modifier true (Reason: This is labeled as "Is Modifier" because applications should not mistake a temporary or old contact etc.for a current/permanent one)

Requirements

Need to track the way a person uses this contact, so a user can choose which is appropriate for their purpose.

Comment:

Clarify why ContactPoint.use is IsModifier, but ContactPoint.system isn't. Surely, being able to distinguish a phone number from a fax number is at least as important as telling a home number from a work one.

Summary:

Clarify ContactPoint isModifier use.