WMA to VOX Converter
Encode WMA audio as Dialogic ADPCM VOX format
IVR Standard
VOX is what telephony hardware expects — convert WMA for call center use.
Compact Files
ADPCM at 4 bits produces tiny files — efficient IVR storage.
Online Encoding
No Dialogic SDK needed — convert WMA to VOX in your browser.
How to convert WMA to VOX
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose vox or any other format you need as a result (more than 200 formats supported)
Let the file convert and you can download your vox file right afterwards
About formats
Frequently Asked Questions
VOX (Dialogic ADPCM) is the IVR standard. Telephony boards and call centers cannot decode WMA — VOX conversion is needed.
Dialogic telephony boards, IVR platforms, PBX systems, and call center infrastructure use VOX.
No — VOX handles speech at 4-bit ADPCM. It is voice-optimized only.
No — IVR hardware expects VOX format specifically.
Upload all WMA prompts and encode to VOX at once — deploy IVR audio efficiently.