GSRT

gsrt icon

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.

What is gsrt file?

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.

How to open gsrt file?

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.

How to convert gsrt file?

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.

Related file extensions