User's Manual

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GXW42xx User Manual
Version 1.0.5.43
Primary Outbound Proxy
IP address or Domain name of Outbound Proxy, or Media Gateway, or
Session Border Controller. Used by GXW42XX for firewall or NAT
penetration in different network environments. If symmetric NAT is
detected, STUN will not work and ONLY outbound proxy can correct the
problem.
Backup Outbound Proxy
Backup Outbound Proxy which will be used when the primary outbound
proxy cannot be connected
Prefer Primary Outbound
Proxy
If yes, the profile will re-register via the primary outbound proxy when
registration expires.
Network Settings
Layer 3 QoS Settings
Configure the Diff-Serv value for SIP and RTP. Default is:
SIP Diff-Serv 24
RTP Diff-Serv 46
DNS Mode
One from the 3 modes available for “DNS Mode” configuration:
• A Record (for resolving IP Address of target according to
domain name)
• SRV (DNS SRV resource records indicates how to find services
for various protocols)
• NAPTR/SRV (Naming Authority Pointer according to RFC
2915)
• Use Configured IP (If selected, please fill in Primary IP, Backup
IP 1 and Backup IP 2.)
One mode can be chosen for the client to look up server.
The default value is “A Record”
DNS SRV Use Registered IP
If yes, under DNS SRV mode, use Registered IP as INVITE destination
instead of using high priority IP from resolved IP list.
Primary IP
Configures the primary IP address where the phone sends DNS query
to when "Use Configured IP" is selected for DNS mode.
Backup IP 1
Configures the backup IP 1 address where the phone sends DNS query
to when "Use Configured IP" is selected for DNS mode.