/mcpThe number of shared-line users in the conference is equal to or greater than the configuration for the Maximum Number of Calls field for the device from which you are attempting to barge. • Go to Service Parameter Configuration window and locate the Clusterwide Parameters (Feature - Conference) section. Increase the value of Maximum Ad Hoc Conference parameter as required. • Check the Maximum Number of Calls value for the shared lines on the device from which you are attempting to barge and increase the value as required. Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs 528 Presence and Privacy Features Error: Past Limit