For Warranty and RMA information, please visit www.grandstream.com
GXW450X Series
E1/T1/J1 Digital VoIP Gateway
Quick Installation Guide
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
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