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Grandstream Networks, Inc. GXP User Manual Page 27 of 38
Firmware 1.1.6.44 Last Updated: 12/2008
Disable Missed Call
Backlight
Default is No. By default, LCD backlight will lit whenever there is a missed call.
Not for GXP280.
HEADSET Key Mode
Set Default mode or choose Toggle Headset/Speaker. Not for GXP2000
Advanced User configuration includes not only the end user configuration, but also advanced configuration
such as SIP configuration, Codec selection, NAT Traversal Setting and other miscellaneous configuration.
Table 15: Advanced Settings
Admin
Password
Administrator password. Only the administrator can access the “Advanced Settings” and
“Account Settings” page. Password field is purposely blank for security reasons after
clicking update and saved. The maximum password length is 25 characters.
G723 rate
Encoding rate for G723 codec. By default, 6.3kbps rate is set.
iLBC frame size
iLBC packet frame size. Default is 20ms. For Asterisk PBX, 30ms might be required.
iLBC payload
type
Payload type for iLBC. Default value is 97. The valid range is between 96 and 127.
Silence
Suppression
This controls the silence suppression/VAD feature of the audio codec G.723 and G.729.
If set to “Yes”, when silence is detected, a small quantity of VAD packets (instead of
audio packets) will be sent during the period of no talking. If set to “No”, this feature is
disabled.