Grandstream Networks HT503 User Manual

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HT503 User Manual
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.
Range: 0 - 3600
NAT UDP Timeout
NAT TCP idle timeout in seconds. Connection will be closed after
preconfigured, timeout if not refreshed.
Range: 0 – 3600, default is 300
Uplink Bandwidth
The maximum uplink bandwidth permitted by the device. This function is
disabled by default. The total bandwidth can be set as: 128K, 256K, 512K,
1M, 2M, 3M, 4M, 5M, 10M or 15M. The primary function of this setting is to
limit the uplink bandwidth for the device internal system, signaling and NATed
traffic. Example: if 512k is configured, there will be at least 512kbps limited
for internal system, signaling and NATed traffic. Voice or RTP stream will
never be limited. See figure 3.
Downlink Bandwidth
The maximum downlink bandwidth permitted by the device. This function is
disabled by default. The total bandwidth can be set as: 128K, 256K, 512K,
1M, 2M, 3M, 4M, 5M, 10M or 15M. The primary function of this setting is to
limit the download bandwidth for the device internal system, signaling and

Grandstream Networks HT503 Specifications

General

Brand	Grandstream Networks
Model	HT503
Category	Telephone Accessories
Language	English