# Genesys Quality Management Suite 8.1.520 : Alphanumeric Characters in Call Recording

Genesys Quality Management Suite supports extensions, DNs, and terminals that include alphanumeric characters. The following characters are supported:

Character Type | Valid Characters
--- | ---
Letters | `A-Z, a-z`
Numbers | `0-9`
Symbols | `@ & + $ % ' . , : ; ! ~ ( ) [ ] # - _`

Ranges can only use numeric characters, for example: `1234-5678`, or a regular expression. Multiple ranges must be separated by commas (,) with no additional spaces, for example: `1000-1900,2000-2700,3200-3500`.