What File Format Is Required for PortSIP PBX Prompt?
Supported Audio File Format
PortSIP PBX supports WAV audio files using the following specifications:
Codec: PCM (uncompressed)
Sample rate: 16 kHz, 32 kHz, or 48 kHz
Bit depth: 16-bit
Channels: Mono
Only audio files that meet these requirements can be uploaded and used as system prompts.
Applicable Features
The supported audio file format applies to the following PortSIP PBX features:
Virtual Receptionist (IVR)
Call Queue
Conference
Voicemail
Music on Hold (MOH)
Call Parking
Converting Unsupported Audio Files to WAV Format
If your audio file does not meet the required format, you must convert it before uploading it to PortSIP PBX.
The steps below use Audacity, a free and widely available audio editor.
Prerequisites
Audacity is installed on your computer
The source audio file you want to convert
Step-by-Step Instructions
Install Audacity Download and install the free Audacity audio editor.
Open the audio file
Launch Audacity.
Go to File > Open, then select the audio file you want to convert.
Export the file as WAV
Go to File > Export Audio.
Configure the export settings In the Export Audio window, under Audio Options:
Channels: Select Mono
Sample Rate: Choose 16000 Hz, 32000 Hz, or 48000 Hz
Encoding: Select Signed 16-bit PCM
Save the converted file Click Export to save the WAV file to your computer.
Expected Outcome
The exported WAV file fully complies with PortSIP PBX audio requirements.
The file can be uploaded and used successfully as a prompt in supported PBX features.
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