It is possible to add some fields to your ldap entry or change the ones you already have. You don't have the rights to change every field but you will get errors if you try something nasty, so just try what is possible. ;)
$ ldapvi -ZZ --bind simple -D uid=bernd,ou=crew,dc=c-base,dc=org -b ou=crew,dc=c-base,dc=org uid=bernd
$ get_member_info bernd
dn: uid=bernd,ou=crew,dc=c-base,dc=org cn: le Bernd uid: bernd uidNumber: 2342 homeDirectory: /home/bernd mail: bernd@c-base.org wlanPresence: TRUE macAddress: 00:11:22:33:44:55 nrf24: 0 homePhone: +4912345678900 mobile: +4912345678900 species: unknown createTimestamp: 19700101000000Z ------------------------------------------------------------------------------- memberOf: crew