User's Manual
Table Of Contents
P a g e | 38
GXW42xx User Manual
Version 1.0.5.43
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.
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
Black List 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
Upgrade and Provisioning
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 is required for the phone to decrypt the encrypted XML
configuration file.
HTTP/HTTPS User Name
The user name needed to authenticate with the HTTP/HTTPS server.
HTTP/HTTPS Password
The password needed to authenticate with the HTTP/HTTPS server.