Grandstream gxw-4004 インストールガイド

 

Grandstream Networks, Inc., 1297 Beacon St., 2

nd

 Flr, Brookline, MA 02446 USA 

Tel: (617) 566-9300, FAX: (617) 249-1987 

www.grandstream.com 

 

Grandstream Networks, Inc. is an award-winning designer and manufacturer of next generation IP 

voice & video products for broadband networks. Grandstream’s products deliver superb sound and 

picture quality, rich telephony features, full compliance with industry standards, and broad 

interoperability with most service providers and 3

rd

 party SIP based VoIP products. Grandstream is 

consistently recognized in the VoIP industry for their innovation, affordability and superior value in their 

products. Grandstream Networks is a private company headquartered in Brookline, MA with offices in 

Los Angeles, Dallas and China. For more information, please visit 

www.grandstream.com.