Files with ring file extension might be found as older ring tones for IP phones.
RING file extension - Ringtone
What is ring file? How to open ring files?
File type specification:
The ring file extension is generally used for ringtones used in several IP Phones, such as those produced by GrandStream Networks.
Usually some sort of simple WAV file.
Most likely some old format without support. No further information could be found.
This ring file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.