.. _p_prerequisites_for_cucm_10x: Prerequisites ------------- End-user provisioning with VOSS-4-UC depends on the completion of the following customer onboarding tasks: • Devices defined (Cisco Unified Communications Manager, UC applications, WebEx) • Network Device Lists (NDLs) created • Single Sign On enabled, if necessary • LDAP integration enabled, if necessary • Any customer equipment to be monitored defined • Customer sites defined with associated NDLs • Customer and site dial plans configured • Directory Number Inventory configured • Voice Mail service defined and associated with a customer See also :ref:`p_example-fulfillment-procedures`.