User Manual

Chapter 2:WEB Configuration

Illustrations contained in this document are for representation only.

UPnP Universal Plug and Play (UPnP) helps devices, such as Internet appliances and computers,

access the network and connect to other devices as needed. UPnP devices can automatically discover

the services from other registered UPnP devices on thenetwork.

NatSip Alg Enable feature enabled by default. While ALG could help in solving NAT related problems in client

LAN side. An ALG understands the protocol used by the specific applications that it supports and does a protocol

packet-inspection of SIPtraffic through it. A NAT router with inbuilt SIP ALG can re-write information within the

SIP messages (SIP headers and SDP body) making possible signaling and audio traffic between LAN client and

outside SIP endpoint.

2. IP Filtering

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the WAN.These PCs can still communicate with each other on your LAN, but packets they originate to WAN addresses

are blocked by the gateway.

Fig. 18