User's Manual

Grandstream Networks, Inc. GXV3140 USER MANUAL Page 29 of 83
FIRMWARE VERSION 1.0.1.18 Updated : 09/2009
Layer 3 Qos This field defines the layer 3 QoS parameter. It is the value used for IP
Precedence, Diff-Serv or MPLS. The Default value is 0.
Layer 2 QoS
802.1Q/VLAN Tag
This field contains the value used for layer 2 VLAN tagging. The Default value
is 0.
Layer 2 QoS 802.1p
Priority Value
This assigns the priority value of the Layer2 QoS packets. The Default value is 0.
Maintenance/Time Settings
NTP Server
This parameter defines the URL or IP address of the NTP (Network Time
Protocol) server. The GXV3140 phone may obtain the date and time from the
server.
The default setting is ntp.ipvideotalk.com .
DHCP Option 42
override NTP server
Select Yes for the user to allow DHCP Option 2 to override the NTP server if
there is one on the LAN. The default setting is NO.
Time Zone This parameter controls the date/time display according to the specified time
zone.
Self-Defined Time
Zone
This parameter allows the users to define their own time zone.
The syntax is: std offset dst [offset], start [/time], end [/time]
Default is set to: MTZ+6MDT+5,M3.2.0,M11.1.0
MTZ+6MDT+5,
This indicates a time zone with 6 hours offset with 1 hour ahead which is U.S
central time. If it is positive (+) if the local time zone is west of the Prime Meridian
(A.K.A: International or Greenwich Meridian) and negative (-) if it is east.
M3.2.0,M11.1.0
The 1st number indicates Month: 1,2,3.., 12 (for Jan, Feb, .., Dec)
The 2nd number indicates the nth iteration of the weekday: (1st Sunday, 3rd
Tuesday…)
The 3rd number indicates weekday: 0,1,2,..,6( for Sun, Mon, Tues,..,Sat)
Therefore, this example is the DST which starts from the second Sunday of
March to the 1st Sunday of November.
Maintenance/Web Access
Access Method This defines the access method for web access: HTTP or secure HTTPS
protocol.
Port This defines the port for web access. By default, HTTP uses port 80 and HTTPS