Grandstream ringtone file
File type: Mobile ringtone file
The gsrt file extension identifies a Grandstream ringtone file.
A gsrt file contains audio data for use as a ringtone on compatible Grandstream IP phones.
File type category:
Mobile ringtone file
Date updated: October 2, 2026
The format is used for ringtones composed for IP phones developed by Grandstream Networks, Inc. It stores the audio data used by the phone for ringing.
Grandstream ringtone files may also use the bin file extension. The format is intended for use with compatible Grandstream IP phones.
A gsrt file is normally used by a compatible Grandstream IP phone rather than opened by a desktop media player. Upload the file through the phone's administration interface if the phone supports the format.
General-purpose audio converters may not preserve the Grandstream-specific ringtone format. Use the file with a compatible Grandstream phone or prepare a ringtone in a format supported by that phone.