Administrator’s Guide for the V500 System
If, therefore, you’re limiting your calls to other systems within your intranet, you don’t need to perform any additional network configuration to use your V500. Simply go on to the next section, Configuring IP Network Support on page
Calling Through a Cable or DSL Modem
You can access the network and make video calls by directly connecting your V500 to a cable modem or Digital Subscriber Line (DSL) modem, without using a network router.
If you have a DSL connection and you are in a home environment or your DSL modem does not maintain a connection state automatically, Polycom recommends that you use a network router.
Directly connecting your V500 to the network with a cable or DSL modem does not provide you with a security barrier between your home or business network and the Internet; however, it is an easy way to set up your V500 network connection.
Systems set up outside a firewall are potentially vulnerable to unauthorized access. Visit the Polycom Security Center at www.polycom.com for timely security information. You can also register to receive periodic email updates and advisories.
If your V500 system is directly connected to a cable or DSL modem, you don’t need to perform any additional network configuration to use your V500. Simply go on to the next section, Configuring IP Network Support on page
Calling Through a Network Router
Network routers let you connect more than one computer, video conferencing system, or other device to your cable or DSL modem so that they all can share the same
❑In a typical IP network, all the devices within the network have their own unique IP address, which is available for everyone in or outside the network to access. With a NAT, each device within the network retains its own IP address, but the NAT presents a single IP address to the outside world. This provides an extra level of security because devices inside the network are masked behind that single, external IP address.
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