Grandstream Networks GHP6 Series - Layer 2 QoS Settings; STUN Settings; Firewall Setting; Blacklist for WAN Side Port

Upgrade and Provisioning
Enable LLDP Configure to enable/disable the LLDP (Link Layer Discovery Protocol) service.
Layer 2 QoS Settings
Layer 2 QoS 802.1Q/VLAN Tag for
Service Interface
Value used for layer 2 QoS 802.1Q/VLAN Tag for Service Interface.
Default setting is0.
Layer 2 QoS 802.1Q/VLAN Tag for
Management Interface
Value used for layer 2 QoS 802.1Q/VLAN Tag for Management Interface.
Default setting is 10.
Layer 2 QoS 802.1p Priority Value for
SIP signaling
Value used for layer 2 802.1p Priority Value for SIP signaling.
Default setting is0.
Layer 2 QoS 802.1p Priority Value for
RTP media
Value used for layer 2 802.1p Priority Value for RTP media.
Default setting is0.
Layer 2 QoS 802.1p Priority Value for
Management Interface
Assigns the priority value of the Layer 2 QoS packets for Management Interface.
Valid range is 0 to 7.
STUN Settings
Use STUN Enable STUN. Default isNo.
STUN server
The IP address or Domain name of the STUN server. Only non-symmetric NAT
routers work with STUN.
Number of STUN Response Misses
Allowed
The Number of STUN response misses allowed before restarting DHCP. The
minimum is 3 misses.
Keep-Alive Interval
Specifies in seconds 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 is 20
seconds.
Firewall Setting
Blacklist for WAN Side Port allows users to block access for specific IP address.
Reply to ICMP This feature allows users to Enable/Disable ICMP response
Local DNS Setting
Local DNS
This feature allows user to configure the table to map an FQDN with its IP address.
Format is: FQDN0/IP0; FQDN1/IP1; FQDN2/IP2; FQDN3/IP3
Lock Keypad Update If set to “Yes”, the configuration update via keypad is disabled.
Firmware Upgrade and Provisioning
Specifies how firmware upgrading and provisioning request to be sent.
There are three options to choose from: “Always Check for New Firmware”, “Check
New Firmware only when F/W pre/suffix changes”, and “Always Skip the Firmware
Check”.
XML Config File Password
The password used for encrypting the XML configuration file using Open SSL. This