/mcpStep 3 From the Service drop-down list, choose Cisco CallManager. Step 4 Configure values for the following clusterwide service parameters: • Hold Reversion Duration—Enter a number from 0 to 1200 (inclusive) to specify the wait time in seconds before Cisco Unified Communications Manager issues a reverted call alert to the holding party phone. If you enter 0, Cisco Unified Communications Manager does not issue reverted call alerts, unless it is configured on a phone line. • Hold Reversion Interval Notification—Enter a number from 0 to 1200 (inclusive) to specify the wait time in seconds before Cisco Unified Communications Manager sends periodic reminder alerts to the holding party phone. If you enter 0, Cisco Unified Communications Manager does not send periodic reminder alerts unless the timer is configured on a phone line. Step 5 Click Save. Configure Hold Reversion Timer Settings for Phone Perform this procedure to configure Hold Reversion timer settings for a phone and phone line. You can also configure Hold Reversion timer settings using a clusterwide service parameter. However, the settings on an individual phone line override the clusterwide service parameter setting. Note Before you begin Perform Configure Hold Reversion Timer Defaults for Cluster, on page 469 to configure Hold Reversion clusterwide defaults. Procedure Step 1 In Cisco Unified CM Administration, choose Device > Phone. Step 2 Click Find and select the phone on which you want to configure Hold Reversion. Step 3 In the Association pane on the left, click the phone line on which you want to configure Hold Reversion. Step 4 Configure values for the following fields: • Hold Reversion Ring Duration—Enter a number from 0 to 1200 (inclusive) to specify the wait time in seconds before Cisco Unified Communications Manager issues a reverted call alert. If you enter 0, Cisco Unified Communications Manager does not issue reverted call alerts to this DN. If you leave the field empty (the default setting), Cisco Unified Communications Manager applies the setting from the Hold Reversion Duration service parameter. • Hold Reversion Ring Interval Notification—Enter a number from 0 to 1200 (inclusive) to specify the wait time in seconds before Cisco Unified Communications Manager sends periodic reminder alerts. If you enter 0, Cisco Unified Communications Manager does not send periodic reminder alerts to this DN. If you leave the field empty (the default setting), Cisco Unified Communications Manager applies the setting from the Hold Reversion Interval Notification service parameter. Step 5 Click Save. Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs 470 Receiving Calls Configure Hold Reversion Timer Settings for Phone