Grandstream gxw-4004 Installation Guide
![Grandstream](https://files.manualsbrain.com/attachments/e33e4675f46eedf7d202e2b69f5813f03dd449d0/common/fit/150/50/f9b5bed167442b0e1e47f11fa92fc7343e26cd816fc476746f419aa2f6ef/brand_logo.gif)
Grandstream Networks, Inc., 1297 Beacon St., 2
nd
Flr, Brookline, MA 02446 USA
Tel: (617) 566-9300, FAX: (617) 249-1987
www.grandstream.com
Scenario One:
GXW-40xx FXS Gateway Configuration
PBX Scenario, VoIP
Scenario Two:
GXW-40xx FXS Gateway Configuration
No PBX Scenario, VoIP
Scenario Three:
GXW-40xx & GXW-410x Scenario
Maintain toll-free calling across locations