Memberurl; Mobile - Netscape DIRECTORY SERVER 6.1 - SCHEMA Reference

In order to be considered a member of a group with the following
memberCertificateDescription, a certificate would need to include ou=x, ou=A,
and o=example, but not o=company.
memberCertificateDescription: {ou=x, ou=A, o=company, o=example}
In order to match the group's requirements, a certificate's subject DNs must
contain the same ou attribute types in the same order as defined in the
memberCertificateDescription attribute.
This attribute is defined in Directory Server.
Syntax
IA5String, multi-valued.
OID
2.16.840.1.113730.3.1.199

memberURL

Definition
Identifies an URL associated with each member of a group. Any type of labeled
URL can be used.
For example:
memberURL: ldap://cn=jdoe, o=example.com
This attribute is defined in Directory Server.
Syntax
IA5String, multi-valued.
OID
2.16.840.1.113730.3.1.198

mobile

Definition
Identifies the entry's mobile or cellular phone number. Abbreviation: mobile
For example:
Chapter 3 Attribute Reference 109