User Guide

Grandstream Networks, Inc. GXP User Manual Page 36 of 44
Firmware 1.2.5.3 Last Updated: 03/2011
Use Quick IP Call Mode
Dial an IP address under the same LAN/VPN segment by entering the last octet
in the IP address.
In the Advanced Settings page there is an option “Use Quick IP-call mode”
.
Default setting is No. When set to YES, and #XXX is dialed, where X is 0-
9 and
XXX <=255, phone will make direct IP call to aaa.bbb.ccc.XXX where
aaa.bbb.ccc comes from the local IP address REGARDLESS of subnet mask.
#XX or #X are also valid so leading 0 is not required (but OK). See
Quick IP
Call Mode
for details.
Disable Conference
Default is No. If set to Yes, conference will be disabled.
Lock keypad update
If set to “Yes”, the configuration changes via keypad are disabled.
Enable MPK Sending
DTMF
Default is No. If set to “Yes”, Muti-Purpose keys can be sent as DTMF.
For GXP2020/2010/2000.
Disable DND
Default is No. If set to “Yes”, the “DND” button on keypad will be disabled.
For
GXP2000, MUTE/DEL button functions as DND button when pressed while
phone is idle.
Disable Transfer
Default is No. If set to Yes, transfer will be disabled.
Disable Multicast Filter
Default is No. If set to Yes, the phone will not filter out (discard) multicast
packets.
Semi-Attended Transfer
Mode
Default is RFC5589 mode, which allows the REFER message to be sent after
INVITE is answered so that the
TRANSFER is not finished until it receives
responses
(e.g. 4xx, 2xx) from the SIP server.
Disable Headset Button
Default is No. If set to Yes, Headset button will be disabled and pressing it w
ill
have no effect.
Enable Constraint Mode
Default is No. If set to Yes, the phone will limit the end-user’s access to the
configuration of the phone.
Display CID instead of
Name
If set to “Yes”, CID will be displayed in the screen instead of Name. Default is
”No”. For GXP280/285 only.
Headset Port Type
Select either 2.5mm or RJ22 headset ports to be adjusted.
Headset TX gain (dB)
Increases the selected headset’s (2.5mm or RJ22) TX gain by + or – 6dB.
Default is 0dB
Headset RX gain (dB)
Increases the selected headset’s (2.5mm or RJ22) RX gain by + or – 6dB.
Default is 0dB