/mcpStep 2 Click Upload File. Step 3 Click Choose File and browse to the file you want to upload. Once you've selected the file, click Open. Step 4 Click Upload. The Upload Result window shows the result of the upload. The uploading procedure uploads the file and performs audio conversions to create codec-specific audio files for MOH. Depending on the size of the original file, processing may take several minutes to complete. Step 5 Click Close to close the Upload Result window. Step 6 Repeat this procedure if you want to upload additional audio files. Note When you import an audio source file, Unified Communications Manager processes the file and converts the file to the proper formats for use by the Music On Hold server. Following are examples of valid input audio source files: • 16-bit PCM .wav file • Stereo or mono • Sample rates of 48 kHz, 44.1 kHz, 32 kHz, 16 kHz, or 8 kHz Note MOH audio source files do not automatically propagate to other MOH servers in a cluster. You must upload an audio source file to each MOH server or each server in a cluster separately Configure Music On Hold Audio Source Use this procedure to configure Music On Hold audio sources. You can configure audio streams and associate uploaded files to an audio stream. You can configure up to 500 audio streams. If a new version of an audio source file is available, perform the update procedure to use the new version. Note Procedure Step 1 From Cisco Unified CM Administration, choose Media Resources > Music On Hold Audio Source. Step 2 Do either of the following: • Click Find and select an existing audio stream. • Click Add New to configure a new stream. Step 3 From the MOH Audio Stream Number, select an audio stream. Step 4 Enter a unique name in the MOH Audio Source Name field. Step 5 Optional. Check the Allow Multi-casting check box if you want to allow this file to be multi-casted. Step 6 Configure the audio source: Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs 623 Custom Features Configure Music On Hold Audio Source