D-Link GLV-540 User Manual page 61

Network Configuration : NAT Settings
This field is used to select the mode to be used for NAT
traversal. In STUN option, user configured STUN Server
Address will be used by the phone. In IP Sharing option, the
phone will use shared IP address. If NONE is selected, phone
is in normal mode.
NAT Mode
Value Range: <NONE>, <STUN>, <IP_SHARING>
Default Value: NONE
Note: The change in the Nat Mode parameter will cause IP
Phone to reboot.
This field used to configure the global or external IP address
of network to be used by the phone. Contact your system
administrator to get the global IP address.
Value Range: Any valid IP address in dot separated form
(max 15 chars).
Shared IP Default Value: 0.0.0.0
Address
Note: The router should be statically configured to pass the
ports in RTP port range configured in
"Network Configuration -> NAT & Media -> Media Settings"
page and Local SIP port configured in "SIP Configuration /
SIP Accounts/Others" page
Network Configuration : STUN Parameters
This specifies the Primary Stun server IP address or the
domain name.
Primary
STUN Server Value Range: Any valid IP address or domain name (max 50
IP Address characters) in dot separated form.
Default Value:
This specifies the Primary Stun Server Port number.
Primary
STUN Server Value Range: 1 to 65535
Port Default Value: 3478
This is an optional field which specifies the secondary Stun
server address IP or the domain name.
Primary
STUN Server Value Range: Any valid IP address or domain name (max 50
IP Address characters) in dot separated form.
Default Value:
This specifies the Secondary Stun Server Port number.
Primary
STUN Server
Value Range: 1 to 65535
Port
Default Value: 3478
GLV-540 User Manual
61