Netscape DIRECTORY SERVER 6.0 - SCHEMA Reference page 41

teletexTerminalIdentifier
telexNumber
title
uid (userID)
userCertificate
userPassword
userSMIMECertificate
x121Address
x500UniqueIdentifier
Identifier for the person's teletex terminal.
The person's telex number.
The person's job title.
Identifies the person's user id (usually the logon ID).
Stores a user's certificate in cleartext (not used).
Password with which the entry can bind to the directory.
Stores a user's certificate in binary form. Used by
Netscape Communicator for S/MIME.
X.121 address of the person.
Reserved.
Chapter 2 Object Class Reference 41