Grandstream Networks HT-286 User Manual
Page 24

Grandstream Networks, Inc.
HT–286 User Manual
Page 24 of 28
Firmware 1.1.0.31
Last Updated: 1/2009
Firmware Upgrade
and Provisioning
Default HTTP. Firmware upgrading may take up to 10 minutes depends on
network environment. Do not interrupt the firmware upgrading process.
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 blank. If it is configured, HT286 rev. 3.0 will request the firmware file
with the prefix. 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.
Config File Postfix
Default is blank. End user should keep it blank.
Automatic Upgrade
Choose “Yes” to enable automatic upgrade and provisioning and input the
number, in minutes, you want the HT to check for an update. When set to No,
HT286 will only do upgrade once at boot up. “Always check for New
Firmware at Boot up” will check for new firmware every time the device
reboots. “Check New Firmware only when F/W pre/suffix changes” will check
for updates only when the pre/suffix has been changed.
Firmware Key
32 digit in Hexadecimal Representation. Useful for ITSP to encrypt firmware.
End user should keep it blank.
Authenticate Conf
File
Default No. End user should use default setting.
Lock keypad update
If this parameter is set to “Yes”, except for IVR MENU items 1 to 5, the
configuration update via keypad is disabled.
Allow conf SIP
Account
in Basic Settings
If set to Yes, these four fields: SIP User ID, Authenticate ID, Authenticate
Password and Name will be included in Basic Settings configuration page.
Override MTU size
Override the MTU size.
Volume Amplification Handset volume adjustment. RX is for receiving volume, TX is for
transmission volume. Default values are 0dB for both parameters. +6dB
generates the highest volume and -6dB generates the lowest volume.
Powerline Ring Tone
This setting allows user to configure the ringing frequencies and cadences.
Call Progress Tones
Using these settings, users can configure various call progress tone
frequencies and cadences according to their country standard. By default
they are set to North American standard.
Frequencies should be configured with known values to avoid uncomfortable
high pitch sounds. ON is the period of ringing (“On time” in ‘ms’) while OFF is
the period of silence. In order to set a continuous ring, OFF should be zero.
Otherwise it will ring ON ms and a pause of OFF ms and then repeat the
pattern. Up to three cadences are supported.
Disable Line Echo
Canceller (LEC):
Default is No. If set to Yes, echo canceller is not used.