- Grandstream Networks, Inc. Network Device User Guide GXW400x

APPLICATION DESCRIPTION
There are three scenarios where the GXW–400x series can be effectively used to enable any business to
leverage the benefits of VoIP and the Internet.
S
CENARIO ONE: GXW- 400X FXS GATEWAY CONFIGURATION / PBX SCENARIO, VOIP
INTERNET
CLOUD
Anywhere in the world
GXW FXS Series
4 or 8 Ports
PSTN
Analog
Lines
PBX
Trunk
Line
FXS
Trunks
S
CENARIO TWO: GXW- 400X FXS GATEWAY CONFIGURATION / NO PBX SCENARIO, VOIP
INTERNET
CLOUD
Anywhere in the world
GXW FXS Series
4 or 8 Ports
PSTN
Analog
Lines
FXS Gateway acts as a ‘virtual office’,
connecting analog lines directly to the
gateway
Grandstream Networks, Inc. GXW-400x User Manual Page 7 of 31
Firmware 1.0.0.17 Last Updated: 12/2006