1 Scope
1.1 Extending the schema
2 References
2.1 Normative references
2.2 Non-normative references
3 Definitions
4 Abbreviations
5 Conventions
6 Object Class Definitions
6.1 URI
6.2 Label
6.3 callPreferenceURIObject Object Class
6.4 callPreferenceURI attribute
7 callPreferenceURI LDIF files
8 ASN.1 representation
Annex A – Indexing profile
Appendix
I – Electronic attachment