Advanced Settings - Grandstream Networks GSC3516 User Manual

OpenVPN® Password
OpenVPN® Comp-lzo
Additional Options

Advanced Settings

Advanced
Network Settings
DNS Refresh Configures the refresh time (in minutes) for DNS query. If set to "0", the phone will use the DNS query
Timer (m) TTL from the DNS server response.
Configures the duration (in minutes) of the
DNS Failure Cache
previous DNS cache when the
Duration (m)
DNS query fails. If set to "0", the feature will be disabled. Note: Only valid for SIP registration.
Enables the LLDP (Link Layer Discovery Protocol) feature on the device. If it is set to "Yes", the device
Enable LLDP will broadcast LLDP PDU to advertise its identity and capabilities and receive the same from physical
adjacent layer 2 peers. The default setting is "Yes".
Configures the interval the device sends LLDP-MED packet.
LLDP TX Interval
The default setting is 60s.
(s)
Note: Reboot the device to make changes take effect.
Configures whether to enable CDP to receive and/or transmit information from/to CDP-enabled
devices.
Enable CDP
The default setting is "No".
Defines the Layer 3 packet's QoS parameter for SIP messages in a decimal pattern. This value is used
Layer 3 QoS for for IP Precedence, Diff-Serv, or MPLS.
SIP
The default setting is 26 which is equivalent to the DSCP name constant CS6.
Defines the Layer 3 packet's QoS parameter for RTP messages in a decimal pattern. This value is used
for IP Precedence, Diff-Serv or MPLS.
Layer 3 QoS for
RTP
The default setting is 46 which is equivalent to the DSCP name constant CS6.
Sets the user-agent for contacts.
HTTP/HTTPS
User-Agent
Note: Reboot the device to make changes take effect.
OpenVPN® authentication password (optional).
Configures enable/disable the LZO compression. When the LZO Compression is enabled on
the OpenVPN server, you must turn on it at the same time. Otherwise, the network will be
abnormal. Default value is YES.
Additional options to be appended to the OpenVPN® config file. Note: Additional options are
seperated by semicolon.
For example:
comp-lzo no;auth SHA256
Please use with caution.
Make sure that the options are supported by OpenVPN® and do not unnecessarily override
other configurations above.
OpenVPN® Settings