Note: The conference factory ID must come from the same RealPresence DMA system your
video conferencing system uses for SIP registration. Calls don’t escalate if your
RealPresence DMA system doesn’t recognize the ID you provide.
4. Select Save.
Calls converted through a RealPresence DMA system gateway (H.323 to SIP or vice versa) don’t
join an impromptu conference call.
Web Proxy Auto-Discovery Protocol
The Web Proxy Auto-Discovery Protocol (WPAD) allows RealPresence Group Series systems to route
network traffic outside enterprise networks.
When your RealPresence Group Series system uses Web Proxy, inbound HTTP and HTTPS traffic (ports
80 and 443) is directed to the configured proxy or proxies.
The Proxy auto-config (PAC) file is a configuration file executed by the system to determine the proxy for
a specified URL.
Your system can authenticate with a proxy using the following methods:
• Digest authentication (with either MD-5 or SHA-256 digest)
• NTLM authentication (only NTLMv2 is supported)
• Basic authentication (this insecure method is disabled by default)
• No authentication (or null authentication, meaning the proxy server doesn’t require credentials)
By default, the Basic authentication is disabled. You can enable Basic authentication in RealPresence
Group Series system web interface.
Your system supports the following services when configured to use a web proxy:
• Directory servers
• Provisioning service
• Calendaring service
• Recording service
• Software updates
• Uploading logs
Sample PAC file
This section shows an example of a sample PAC file.
function FindProxyForURL(url, host)
{
if ( url.substring (0, 5) == "http:" )
{return "PROXY 10.221.77.3:8080; PROXY 10.221.76.7:8080;DIRECT";}
else if ( url.substring (0, 6) == "https:" )
{return "PROXY 10.221.77.3:8080; PROXY 10.221.76.7:8080;DIRECT";}
else
{return "DIRECT";}
}
Configuring Network Settings
Polycom, Inc. 74
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