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FIRMWARE VERSION 1.0.4.23 GXP2120/GXP2110/GXP2100/GXP1450 USER MANUAL Page 53 of 69
between Headset and Speaker.
Call History Flash Writing:
Write Timeout
Defines the interval (in seconds) to save the call history to phone's flash.
The default value is 300 seconds.
Max Unsaved Log
Defines the number of unsaved logs before written to phone's flash. The
default value is 200 entries.
Headset TX gain
Configures the transmission gain of the headset. The default value is
0dB.
Headset RX gain Configures the receiving gain of the headset. The default value is 0dB.
Handset TX gain
Configures the transmission gain of the handset. The default value is 0
dB.
SETTINGS/ADVANCED SETTINGS PAGE
Admin Password
Allows users to change the admin password. The password field is
purposely hidden after clicking the Update button for security purpose.
This field is case sensitive with a maximum length of 30 characters.
Confirm Password Confirms the admin password field to be the same as above.
Layer 3 QoS
Defines the Layer 3 QoS parameter. This value is used for IP
Precedence, Diff-Serv or MPLS. The default value is 12.
Layer 2 QoS 802.1Q/VLAN
Tag
Assigns the VLAN Tag of the Layer 2 QoS packets. The default value is
0.
Layer 2 QoS 802.1p Priority
Value
Assigns the priority value of the Layer2 QoS packets. The default value
is 0.
Local RTP Port
This parameter defines the local RTP port 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; channel 1 will use port_value+2 for RTP. Local
RTP port ranges from 1024 to 65400 and must be even. The default
value is 5004.
Use Random Port
When set to "Yes", this parameter will force random generation of both
the local SIP and RTP ports. This is usually necessary when multiple
phones are behind the same full cone NAT. The default setting is "Yes"
(This parameter must be set to "No" for Direct IP Calling to work).
Keep-alive Interval
Specifies how often the phone sends a blank UDP packet to the SIP
server in order to keep the "ping hole" on the NAT router to open. The
default setting is 20 seconds.
Use NAT IP
The NAT IP address used in SIP/SDP messages. This field is blank at
the default settings. It should ONLY be used if it's required by your ITSP.