Add setting "EnableAutonomousDialer" to Settings list with value "True".
UCCUCC stands for Unified Contact Center and consists of a queue that can be handled by Agents Each Contact Center has its own settings, interactive voice response questions and Agent with specific skills. Agents can be member of, or sign up to, one or more Contact Centers. setting "OutboundDialerDeclineRetry" can be used to specified the number of retries
UCC setting "OutboundDialerDeclineRetryTime" can be used to specify the number of minutes between retries
UCC setting "MaxDialerSessions" sets the maximum number of sessions at the same time. Zero means no limit (default is 0)