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Grandstream Networks, Inc. HT-502 User Manual Page 21 of 32
Firmware 1.0.0.77 Last Updated: 1/2008
Advanced User Configuration
Log in to the advanced user configuration page the same way as for the basic configuration page. The
password is case sensitive and the factory default password for Advanced User is “admin”.
Advanced User configuration includes the end user configuration and the advanced configurations
including: a) SIP configuration, b) Codec selection, c) NAT Traversal Setting and d) other miscellaneous
configuration. HT502 each FXS SIP account has its own configuration page. Their configurations are
identical.
T
ABLE 9: HT502 ADVANCED CONFIGURATION PAGE DEFINITIONS
Admin Password
This contains the password to access the Advanced Web Configuration page. This field is
case sensitive. Only the administrator can configure the “Advanced Settings” page.
Password field is purposely left blank for security reasons after clicking update and saved.
The maximum password length is 25 characters.
Layer 3 QoS
This field defines the layer 3 QoS parameter which can be the value used for IP
Precedence or Diff-Serv or MPLS. Default value is 48.
Layer 2 QoS Value used for layer 2 VLAN tag. Default setting is blank.
STUN Server
IP address or Domain name of the STUN server.
Keep-alive interval
This parameter specifies how often the HT502 sends a blank UDP packet to the SIP
server in order to keep the “hole” on the NAT open. Default is 20 seconds. Minimum
value is 20 seconds.
Firmware Upgrade
and Provisioning
Enables HT502 to download firmware or configuration file through either the TFTP or
HTTP server.
Via TFTP Server
This is the IP address of the configured TFTP server. If selected and it is non-zero or not
blank, the HT502 retrieves the new configuration file or new code image from the
specified TFTP server at boot time. After 5 attempts, the system will timeout and 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 is saved into
the Flash memory.
Note: Please do NOT interrupt the TFTP upgrade process (especially the power supply)
as this will damage the device. Depending on the local network, this process can take up
to 15 or 20 minutes.
Via HTTP Server
The URL for the HTTP server used for firmware upgrade and configuration via HTTP.
For example, ttp://provisioning.mycompany.com:6688/Grandstream/1.0.0.67“:6688” is the
specific TCP port where the HTTP server is listening; it can be omitted if using default port
80.
Note: If Auto Upgrade is set to No, HT502 will only do HTTP download once at boot up.
Firmware Server Path
IP address or domain name of firmware server.
Config Server Path
IP address or domain name of configuration server.
Firmware File Prefix Default is blank. If configured, HT502 will request firmware file with the prefix. This
setting is useful for ITSPs. End user should keep it blank.
Firmware File Postfix Default is blank. End user should keep it blank.
Config File Prefix Default is blank. End user should keep it blank.