Grandstream Networks GBX20 Users Manual
Grandstream Networks, Inc.
126 Brookline Ave, 3rd Floor
Boston, MA 02215 USA
Voice: (617) 566-9300
Fax: (617) 249-1987
www.grandstream.com
For Warranty and RMA information, please visit
www.grandstream.com
GBX20
Extension Module
Quick Installation Guide
Content
English...............................................................................1
Loading...