/mcp• Check the Use MOH WAV file source radio button and from the MOH Audio Source File, select the file you want to assign. • Check the Rebroadcast External Multicast Source radio button and enter the multicast source IP Address details. Step 7 In the Announcement Settings for Held and Hunt Pilot Calls section, assign the announcements that you want to use for this audio source. Step 8 Configure the remaining fields in the Music On Hold Audio Source Configuration window. For help with the fields and their settings, see the online help. Step 9 Click Save. Configure Fixed Music On Hold Audio Source For each cluster, you may define one fixed audio source (Source 51). You must set up the fixed audio source that is configured per cluster on each MOH server. The fixed audio source originates from a fixed device that uses the local computer audio driver. Procedure Step 1 From Cisco Unified CM Administration, choose Media Resources > Fixed MOH Audio Source. Step 2 Optional. Check the Allow Multi-casting check box if you want to allow this audio source to be multi-casted. Step 3 Check the Enable check box to enable the fixed audio source. When you check this check box, a Name is required. Step 4 In the Announcement Settings for Held and Hunt Pilot Calls area, configure announcements for this audio source. Step 5 Configure the fields in the Fixed MOH Audio Source Configuration window. For help with the fields and their settings, see the online help. Step 6 Click Save. Add MOH to Media Resource Group A Media Resource Group is a logical grouping of media resources. You may associate a media resource group with a geographical location or a site, as required. You can also form media resource groups to control server usage, or unicast or multicast service type. Procedure Step 1 From Cisco Unified CM Administration, choose Media Resources > Media Resource Group. Step 2 Do either of the following: • Click Find and select an existing group. • Click Add New to create a new group. Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs 624 Custom Features Configure Fixed Music On Hold Audio Source