RealPresence Collaboration Server (RMX) 1500/1800/2000/4000 Getting Started Guide
Polycom®, Inc. 28
Example: The network administrator should allocate two IP addresses in the local network for a
RealPresence Collaboration Server (RMX) 1800: Control Unit and Signaling Host. Since the signaling and
media are transferred on the same network, the same IP address is allocated to both.
ISDN/PSTN Services
The ISDN/PSTN Network Service is used to define the properties of the ISDN/PSTN switch and the ISDN
lines running from the ISDN/PSTN switch to the ISDN card installed in the Collaboration Server.
Before configuring the ISDN/PSTN Network Service, obtain the following information from your ISDN/PSTN
Service Provider:
● Switch Type
● Line Coding and Framing
● Numbering Plan
● Numbering Type
● Dial-in number range
Unpacking the RealPresence Collaboration Server
The following procedures have to be performed to install the RealPresence Collaboration Server
(RMX) 1500 in your site.
RealPresence Collaboration Server (RMX) 1800 Network Equipment and Address Information
Parameter Factory Default Local Network Settings
Control Unit IP Address 192.168.1.254
Control Unit Subnet Mask 255.255.255.0
Default Router IP Address 192.168.1.1
Signaling Host IP address Same as the Media and defined by the
Media IP address
Media Card 1 IP Address Same as the Signaling Host IP address
Gatekeeper IP address (optional) –
DNS IP address (optional) –
SIP Server IP address (optional) –
ISDN/PSTN Services are not supported with Collaboration Server (RMX) 1800.
If the Collaboration Server is connected to the public ISDN Network, an external CSU or similar
equipment is needed.
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