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3.
NAT Traversal (under the Profile webpages)
Set this to Yes when gateway is behind firewall on a private network.
B
. DT
MF Methods
Under Profile pages,
you will find DTMF Settings:
•
DTMF in-audio
•
DTMF via RTP (
•
DTMF via SIP INFO
Enable one or more DTMF met
C. Pr
eferred VOCODER (Codec)
The GXW-400x supports a broad ra
choose your preferred order of different codecs: PCMU (or G711u), PCMA (or G711a),
G729A/B, G723, G726-32, iLBC, G728 and G729E.
D. FIRMWARE UPG
RADE
To upgrade your unit firmwar
1.
Under Advanced Settings webpage, enter yo
FQDN) next to the "Firmware Upgrade: Upgrade Server" field.
2.
Select via TFTP or HTTP accordingly.
3.
If you plan to use Automatic Upgrade, s
for upgrade every time you reboot).
E. FACTORY RESET
The ONLY way to reset d
1.
Unplug the Ethernet cable.
2.
Locate a needle-sized hole
connection.
3.
Insert a pin in t
his hole, and press for about 7 seconds.
4.
Take out the pin. All unit settings are restored to factory
For any quest
ions, please email
Brookline or LA offices.
Grandstream Networks, Inc.
www.grandstream.com
Firmware 1.0.0.17
RFC2833)
hods based on your PBX system.
nge of voice codecs. Under Profile webpages, you can
e, follow these steps:
efault factory settings is to follows these four (4) steps:
on the back panel of the gateway unit next to the power
support@grandstream.com
info@grandstream.com
ur TFTP or HTTP Server IP address (or
et it to Yes
, otherwise No (this will make it check
settings.
OR call our technical support at our
Corporate Headquarters
GXW-400x Quick Install Guide, p. 6
Updated: 11/2006
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