Grandstream Voice Prompt Package Download =link= Jun 2026

: Custom audio must typically be PCM encoded, 16-bit, 8000Hz mono in .wav or .mp3 format.

When downloading from Grandstream’s firmware portal, you will encounter several file types: grandstream voice prompt package download

In Grandstream devices—such as IP Phones (GXP, GRP, WP series), ATAs, and Gateways—the firmware includes a set of audio files stored in the device’s non-volatile memory. These files play automatically during specific events: : Custom audio must typically be PCM encoded,