Upload a Media File Use Upload a Media File when you already have an audio prompt and want MiRTA PBX to store it for IVRs, queues, DISAs, announcements, or other call flows. Open the form Step Action 1 Select the correct tenant in the top bar. 2 Open Configuration > Media Files. 3 Select New Media File. 4 Complete the Information, upload, and transformation blocks, then select Save. Information Information block when creating an uploaded media file. This block identifies the prompt in lists and destination selectors. Field Description Name Short display name for the media file. Use a name that describes where the prompt is used, such as Docs Demo IVR Upload Prompt. Description Administrative note for the prompt. Use it to record the script purpose, call flow, or owner. Upload Recording Upload recording block when creating an uploaded media file. This block selects the local audio file to upload. Field Description File Select the audio file to store. Use a clear filename, such as ivr-selection-upload.wav. MiRTA PBX can process common prompt formats including WAV, MP3, M4A, and WMA. Upload/Create Transformations Upload/create transformations block for an uploaded media file. This block controls audio normalization and format conversion when the media file is saved. Field or option Description Volume correction Applies a linear gain adjustment. Use 1.0 for no change. Values below 1 reduce volume; values above 1 increase it. Automatic Lets MiRTA PBX choose the stored format based on the uploaded source. WAV mono 8Khz 64kbps Converts the prompt to an 8 kHz mono WAV format suitable for narrowband telephony prompts. WAV mono 16Khz 128kbps Converts the prompt to a 16 kHz mono WAV format. SLN 8 khz format Converts the prompt to 8 kHz signed linear audio. SLN 16 khz format Converts the prompt to 16 kHz signed linear audio. Leave as is Stores the uploaded file format without conversion, except for any requested volume correction. Example Field Example value Name Docs Demo IVR Upload Prompt Description Uploaded prompt for the IVR selection menu File ivr-selection-upload.wav Volume correction 1.0 Format conversion Automatic Editing To edit an uploaded media file, open it from the Media Files list, adjust the name or description, optionally upload a replacement file, review the transformation options, and select Save. If the prompt is already used in a call flow, test that flow after replacing the audio.