If you want to create your audio file here is the link How to Use Audacity to record MP3/ WAVE audio files
Step 1. Login to the URL http://admin.safesoftsolutions.com using your Admin credentials.
Step 2. Click on the tab Campaign and then, Show Campaigns.
Step 3. Select the Campaign where you want to upload your Voice Broadcast message by clicking the pencil icon under Settings.
Step 4. Scroll down to Section 18 – Voice Broadcast and click on the word Click here in order to browse your recording.
Step 5. Once a recording is successfully uploaded, there will be a corresponding Recording ID number.
Step 6. Finally, scroll down at the bottom of the page and then, click on the Save Changes button to apply the settings.