Type Property: URL
The vCard 3.0 Type property supports the Siebel contact's URL LOV type (child component) as follows:
The URL Type property is supported (maximum supported length is 100).
The URL Address property is supported (maximum supported length is 100).
The primary URL is not supported (Siebel does not have the schema to support it).
The iOS-specific homepage URL type is supported.
Custom labels sent from the client are supported.
If the custom label is not a Siebel Type entry, then the type is stored as Personal in Siebel and the custom label is stored in the Description field.