/mcp• Cisco CTIManager service must be running on at least one node in the cluster • Cisco Database Layer Monitor service must be running on the same node as the Cisco CallManager service • Cisco RIS Data Collector service must be running on the same node as the Cisco CallManager service • Cisco Tftp service must be running on at least one node in the cluster • Cisco Unified Communications Manager Locale Installer must be installed, if you want to use non-English phone locales or country-specific tones Hold Reversion Configuration Task Flow Perform the following steps to configure Hold Reversion for your phones. This procedure assumes that you have configured directory numbers for phones, or that you are using auto-registration. Before you begin • If phone users want the hold reversion messages to display in a language other than English, or if you want the user to receive country-specific tones for calls, verify that you have installed the locale installer. • Review Hold Reversion Prerequisites, on page 467 Procedure Purpose Command or Action Run a phone feature list report to determine which phones support the Hold Reversion feature. Generate a Phone Feature List, on page 5 Step 1 Configure the call focus priority setting against the device pool for your phones. Configure Call Focus Priority for Hold Reversion, on page 468 Step 2 Configure the Hold Reversion timer settings. You can configure the timer using a clusterwide Perform one of the following procedures: Step 3 • Configure Hold Reversion Timer Defaults for Cluster, on page 469 service parameter, or configure the settings on an individual phone line. • Configure Hold Reversion Timer Settings for Phone, on page 470 Note The settings on an individual phone line override the clusterwide service parameter settings. Configure Call Focus Priority for Hold Reversion As an administrator, you can prioritize incoming calls and reverted calls. By default, all incoming calls are handled before reverted calls, however you can change the call focus priority so that reverted calls take precedence. Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs 468 Receiving Calls Hold Reversion Configuration Task Flow