User Management and Subscriber Management Use Cases
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This following are two typical user provisioning use cases:

|"Top Down" versus "Bottom Up" User Provisioning|

Use the following menus in VOSS-4-UC to perform the operations
shown in the preceding figure:

1. **User Management Sync & Purge LDAP Users**
2. **User Management Move Users**
3. Performed by any of the following:

   * **User Management > Manage Users**
   * **Subscriber Management > Subscribers**
   * **Subscriber Management > Quick Add Subscriber**
4. **User Management > Sync & Purge >** **CUCM Users**, **Lines**, **Phones**
5. **User Management > Move Users**

In each diagram, the user starts on an external server, either an LDAP
server (for example, Open LDAP or Active Directory), or on Cisco Unified CM.
When the user is synced into VOSS-4-UC, either a VOSS-4-UC User is
created, or both a VOSS-4-UC User and
Subscriber are created. For each step, the diagram also shows the
hierarchy node where the user exists. The result in both cases is that
both a Subscriber and a VOSS-4-UC User exist. From that point, the user is
primarily managed from Subscriber Management.

.. |"Top Down" versus "Bottom Up" User Provisioning| image:: /src/images/410495.png