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6.3 DMZ H ost
The DSL router will forward IP packets from the WAN that do not belong to any of
the applications configured in the Virtual Servers table to the DMZ host computer.
To Activate the DMZ host, enter the DMZ host IP address and click Save/Apply.
To Deactivate the DMZ host, clear the IP address field and click Save/Apply.
6.3.1
ALG
SIP (Session Initiation Protocol, RFC3261) is the protocol of choice for most VoIP
(Voice over IP) devices to initiate communication. A SIP ALG (Application Layer
Gateway) assists VoIP packet traffic from a SIP-compliant IP phone or VoIP gateway
to passthrough a NAT enabled router.
To enable the SIP ALG select the SIP Enabled checkbox and click Save/Apply.
NOTE:
ALG is only valid for SIP protocol running on UDP port 5060.
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