Grandstream HT503 User Manual - Manual (Page 35)

FIRMWARE VERSION 1.0.14.1 HT503 USER MANUAL Page 33 of 64
• If Static IP mode is selected, the IP address, Subnet Mask, Default Router IP
address, DNS Server 1 (mandatory), DNS Server 2 (optional) fields need to be
configured.
DHCP hostname This option specifies the name of the client. This field is optional but may be required by
some Internet Service Providers. Default is blank.
DHCP vendor class ID This option is used by clients and servers to exchange vendor-specific information.
Default is blank.
PPPoE account ID PPPoE username. Necessary if your ISP requires you to use a PPPoE (Point to Point
Protocol over Ethernet) connection
PPPoE password PPPoE account password
PPPoE Service name This field is optional. If your ISP uses a service name for the PPPoE connection, enter
the service name here. Default is blank.
Preferred DNS The address of your preferred DNS server.
Time Zone This parameter controls how the displayed date/time will be adjusted according to the
specified time zone.
Self-Defined 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 and
negative (-) if it is east.
Prime Meridian (A.K.A: International or Greenwich Meridian)
M3.2.0,M11.1.0
The 1 st number indicates Month: 1,2,3.., 12 (for Jan, Feb, .., Dec)
The 2 nd number indicates the nth iteration of the weekday: (1 st Sunday, 3 rd Tuesday…)
The 3 rd 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 1 st Sunday of November.
Language Languages supported with the voice prompt.
Device Mode This parameter controls whether the device is working in NAT router mode or Bridge
mode. Save the setting and reboot prior to configuring the HT503.
NAT Maximum Ports The number of ports that can be managed while in NAT router mode.
Range: 0 – 4096, default is 1024. Typically one port per connection.
NAT TCP Timeout NAT TCP idle timeout in seconds. Connection will be closed after preconfigured,
timeout if not refreshed.