/mcpConfigure Music On Hold Server Before you begin Make sure one or multiple Music On Hold (MOH) servers are available. The Cisco Unified Communications Manager MOH server is automatically added when the Cisco IP Voice Media Streaming Application service is activated. Note Procedure Step 1 From Cisco Unified CM Administration, choose Media Resources > Music On Hold Server. Step 2 Click Find and select the Music On Hold server that you want to update. Step 3 Select the Host Server. Step 4 Enter a descriptive Music On Hold Server Name along with a Description. Step 5 Select the Device Pool you want to use for this server. Step 6 Configure server capacity by configuring the following fields: • Maximum Half Duplex Stream—Set this to the maximum number of devices that can be on unicast music on hold that is streamed from this music on hold server at any given time. You can use the following formula to calculate the maximum: Note (Server and deployment capacity) – ([Number of multicast MOH sources] * [Number of enabled MOH codecs]) • Maximum Multi-cast Connections—Set this to a value that is greater than or equal to the number of devices that might be placed on multicast MOH at any given time. Step 7 (Optional) To enable multi-casting, check the Enable Multi-cast Audio Sources on this MOH Server check box, and configure the multicast IP address ranges. Step 8 Configure the additional fields in the Music On Hold Server Configuration window. For help with the fields and their settings, see the online help. Step 9 Click Save. Upload Audio File for Music On Hold Use this procedure if you want to upload customized audio files that you can make available as Music On Hold audio streams. Procedure Step 1 From Cisco Unified CM Administration, choose Media Resources > MOH Audio File Management. Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs 622 Custom Features Configure Music On Hold Server