SPBuiltInFieldId.PrimaryNumber Field
Identifies a field that contains the primary telephone number of a person who is referenced in a specified SharePoint Foundation contact object.
Namespace: Microsoft.SharePoint
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Available in Sandboxed Solutions: Yes
Available in SharePoint Online
Syntax
'Declaration
Public Shared ReadOnly PrimaryNumber As Guid
'Usage
Dim value As Guid
value = SPBuiltInFieldId.PrimaryNumber
public static readonly Guid PrimaryNumber