Grandstream Networks, Inc.
1297 Beacon Street, 2nd Floor
Brookline, MA 02446. USA
Tel : +1 (617) 566 – 9300
Fax: +1 (617) 249 – 1987
www.grandstream.com
For Warranty and RMA information, please visit www.grandstream.com
GXP280/GXP285 1-Line IP Phone
Quick Start Guide