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Grandstream Networks, Inc. 
GXW400x User Manual 
Page 2 of 36  
 
Firmware 1.0.1.8 
Last Updated:  5/2008
 
 
T
ABLE OF 
C
ONTENTS
 
GXW400x User Manual 
 
WELCOME.................................................................................................................................................... 4
 
G
ATEWAY 
GXW400
O
VERVIEW
............................................................................................................ 4 
S
AFETY 
C
OMPLIANCES
............................................................................................................................ 4 
W
ARRANTY
............................................................................................................................................ 4 
CONNECT YOUR GXW400X ....................................................................................................................... 5
 
E
QUIPMENT 
P
ACKAGING
...........................................................................................................................................5
 
C
ONNECT THE 
GXW400
X
.........................................................................................................................................5
 
F
IGURE 
1:
  
D
IAGRAM OF 
GXW400
B
ACK 
P
ANEL
....................................................................................................5
 
F
IGURE 
2:
  
D
IAGRAM OF 
GXW400
D
ISPLAY 
P
ANEL
...............................................................................................6
 
APPLICATION DESCRIPTION .................................................................................................................... 7
 
E
XAMPLES OF 
GXW400
C
ONFIGURATIONS
............................................................................................................7
 
A
PPLICATION 
O
NE
:
  
GXW-400
FXS
 
G
ATEWAY 
C
ONFIGURATION
............................................................. 7 
A
PPLICATION 
T
WO
:
 
GXW400
&
 
GXW410
S
CENARIO 
/
 
T
OLL
-
 
F
REE 
C
ALLING 
B
ETWEEN 
L
OCATIONS
....... 7 
GXW400X FEATURES................................................................................................................................. 8
 
S
OFTWARE 
F
EATURES 
O
VERVIEW
.............................................................................................................................8
 
H
ARDWARE 
S
PECIFICATION
.......................................................................................................................................9
 
BASIC OPERATIONS ................................................................................................................................ 10
 
U
NDERSTANDING 
GXW
 
V
OICE 
P
ROMPTS
...............................................................................................................10
 
P
LACING A 
P
HONE 
C
ALL
.........................................................................................................................................11
 
P
HONE OR 
E
XTENSION 
N
UMBERS
.......................................................................................................... 11 
D
IRECT 
IP
 
C
ALLS
.................................................................................................................................. 11 
C
ALL 
H
OLD
.............................................................................................................................................................12
 
C
ALL 
W
AITING
........................................................................................................................................................12
 
C
ALL 
T
RANSFER
......................................................................................................................................................12
 
BLIND
 
TRANSFER............................................................................................................................. 12 
ATTENDED
 
TRANSFER .................................................................................................................... 12 
3-W
AY 
C
ONFERENCING
...........................................................................................................................................13
 
H
UNTING 
G
ROUP
.....................................................................................................................................................13
 
I
NTER
-
PORT 
C
ALLING
..............................................................................................................................................14
 
PSTN
 
P
ASS 
T
HROUGH
/L
IFE 
L
INE
............................................................................................................................14
 
S
ENDING AND 
R
ECEIVING 
F
AX
................................................................................................................................15
 
S
UPPORT 
RADIUS
 
P
ROTOCOL
................................................................................................................................15
 
CALL FEATURES ...................................................................................................................................... 16
 
CONFIGURATION GUIDE ......................................................................................................................... 17
 
C
ONFIGURING 
GXW400
V
IA 
V
OICE 
P
ROMPT
.......................................................................................................17
 
C
ONFIGURING 
GXW400
W
ITH 
WEB
 
BROWSER................................................................................................18
 
A
CCESS THE 
W
EB 
C
ONFIGURATION 
M
ENU
............................................................................................. 18 
I
MPORTANT 
S
ETTINGS
.............................................................................................................................................19
 
NAT
 
S
ETTINGS
..................................................................................................................................... 19 
DTMF
 
M
ETHODS
.................................................................................................................................. 19 
P
REFERRED 
VOCODER
 
(C
ODEC
) ........................................................................................................ 19 
S
AVING THE 
C
ONFIGURATION 
C
HANGES
.................................................................................................................32
 
R
EBOOTING FROM 
R
EMOTE
.....................................................................................................................................32
 
C
ONFIGURATION THROUGH A 
C
ENTRAL 
S
ERVER
.....................................................................................................33
 
SOFTWARE UPGRADE............................................................................................................................. 34
 
F
IRMWARE 
U
PGRADE THROUGH 
TFTP/HTTP/HTTPS............................................................................................34
 
C
ONFIGURATION 
F
ILE 
D
OWNLOAD
..........................................................................................................................35
 
F
IRMWARE AND 
C
ONFIGURATION 
F
ILE 
P
REFIX AND 
P
OSTFIX
..................................................................................35
 
M
ANAGING 
F
IRMWARE AND 
C
ONFIGURATION 
F
ILE 
D
OWNLOAD
............................................................................35
 
RESTORE FACTORY DEFAULT SETTING.............................................................................................. 36