User's Manual

Grandstream Networks, Inc. GXW40XX User Manual Page 23 of 39
Firmware 1.0.4.2 Last Updated: 06/2011
PPPoE Link Up
Shows whether the PPPoE connection is running if connected to DSL modem.
NAT
Shows type of NAT the GXW40XX is connected to via its WAN port. It is based on
STUN protocol.
Port Status
Displays relevant information regarding the individual FXS ports. Example:
Port Hook Registration DND Forward Busy
Forward
Delayed
Forward
FXS1 On Hook Registered
No 613
FXS2 Off Hook Registered
No 614
FXS3 On Hook Not
Registered
No
FXS24 On Hook Registered
Yes 615
** FXS port 24 user has set Do Not Disturb.
FXS port 1 user has set his calls to be forwarded unconditionally to ext 613
FXS port 2 user has set his calls to be forwarded to 614 when his phone is busy.
FXS port 3 user is not registered with his SIP Server.
Advanced User configuration includes not only the end user configuration, but also advanced
configurations such as: SIP configuration, Codec selection, NAT Traversal Setting and other
miscellaneous configuration.
Table 9: A
DVANCED SETTINGS
Admin Password
Administrator password. Only the administrator can configure the “Advanced
Settings” page. Password field is purposely left blank for security reasons after
clicking update and saved. The maximum password length is 25 characters.
Layer 3 QoS
This field defines the layer 3 QoS parameter which can be the value used for IP
Precedence or Diff-Serv or MPLS. Default value is 48.
Layer 2 QoS Value used for layer 2 VLAN tag. Default setting is blank.
STUN Server
IP address or Domain name of the STUN server.
STUN server assists devices behind a NAT firewall or a router to set up calls via
VoIP.
STUN server is often provided by the VoIP service provider or a public STUN server
can be used. For a sample list of public free STUN servers please refer to:
http://www.voip-info.org/wiki-STUN
Keep-alive interval
This parameter specifies the number of seconds after which a new blank UDP
packet will be sent out to the proxy/server port in order to have the port stay open
and the device remain reachable. Default is 20 seconds.
Use STUN to detect
network connectivity
Use STUN keep-alive to detect WAN side network problems. If keep-alive request
does
not yield any response for configured number of times, the device will restart the
TCP/IP
stack. If the STUN server does not respond when the device boots up, the
feature is
disabled.
Firmware Upgrade &
Provisioning
Enables GXW40XX to download firmware or configuration file using either the TFTP
or HTTP/S protocols.