Grandstream Networks, Inc.
126 Brookline Ave, 3rd Floor
Boston, MA 02215 USA
Tel : +1 (617) 566 – 9300
Fax: +1 (617) 249 – 1987
www.grandstream.com
For Warranty and RMA information, please visit
www.grandstream.com
GXP1520/1525
Small Business HD IP Phone
Quick Installation Guide