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Grandstream Networks, Inc. GXP User Manual Page 31 of 40
Firmware 1.1.6.16 Last Updated: 05/2008
Layer 2 QoS
This contains the value used for layer 2 VLAN tag. Default setting is blank.
No Key Entry
Timeout
Default is 4 seconds.
Use # as
Dial Key
This parameter allows users to configure the “#” key as the “Send” (or “Dial”) key. If set
to “Yes”, the “#” key will immediately send the call. In this case, this key is essentially
equivalent to the “(Re)Dial” key. If set to “No”, the “#” key is included as part of the dial
string.
Local RTP port
This parameter defines the local RTP-RTCP port pair used to listen and transmit. It is the
base RTP port for channel 0. When configured, channel 0 will use this port _value for
RTP and the port_value+1 for its RTCP; channel 1 will use port_value+2 for RTP and
port_value+3 for its RTCP. The default value is 5004.
Use Random
Port
This parameter, when set to “Yes”, will force random generation of both the local SIP
and RTP ports. This is usually necessary when multiple GXPs are behind the same
NAT. Default is No.
Keep-alive
interval
This parameter specifies how often the GXP sends a blank UDP packet to the SIP
server in order to keep the “hole” on the NAT open. Default is 20 seconds.
Use NAT IP
NAT IP address used in SIP/SDP message. Default is blank.
STUN Server
IP address or Domain name of the STUN server. STUN resolution result will display in
the STATUS page of the Web UI.
Firmware
Upgrade and
Provisioning
Default method is HTTP. Firmware upgrade may take up to 10 minutes depending on
network environment. Do not interrupt the firmware upgrading process.
Via TFTP Server
This is the IP address of the configured TFTP server. If selected and it is non-zero or not
blank, the GXP will attempt to retrieve a new configuration file or new code image from
the specified TFTP server at boot time. It will make up to 3 attempts before timeout and
then it will start the boot process using the existing code image in the Flash memory. If a
TFTP server is configured and a new code image is retrieved, the new downloaded
image will be verified and then saved into the Flash memory.
Note: Grandstream strongly recommends that the user upgrade firmware locally in a
LAN environment if using TFTP to upgrade. Please do NOT interrupt the TFTP upgrade
process (especially the power supply) as this will damage the device.
Via HTTP
Server
The HTTP server URL used for firmware upgrade and configuration via HTTP. For
example: http://provisioning.mycompany.com:6688/Grandstream/1.1.6.16.
Here “:6688” is the specific TCP port that the HTTP server is using; omit if using default
port 80.
Note: If Auto Upgrade is set to No, GXP will only perform HTTP download once at boot
up.
Config Server
Path
IP address or domain name of firmware server.
Firmware File
Prefix/Postfix
Default is blank. If configured, GXP will request the firmware file with the prefix/postfix.
This setting is useful for ITSPs. End user should keep it blank.