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Polycom RMX 1500/2000/4000 Getting Started Guide for Audio Only
1-9
Gateway
Using a special Gateway Profile, the RMX can be used as a gateway that
provides connectivity across different physical networks such as H.323,
SIP, ISDN and PSTN. The Gateway also provides connectivity between
the ISDN/PSTN endpoints and the DMA.
Security
• Media Encryption (IP only), available at conference and participant
levels, based on AES 128 Media Encryption and DH 1024 Key
Exchange standards.
• Secured Communication Mode (SSL/TLS).
• Secured conferences via DTMF codes and limited monitoring of
secured conferences.
•Auditor to analyze configuration changes and unusual or malicious
activities in the RMX system.
• Network security can be enhanced by separation of the Signaling and
Management Networks.
• RMX Users can be disabled by the administrator, or automatically
when inactive. Disabled Users can be enabled by the administrator.
• Enhanced Security Environment can be implemented.
In such an environment, the following attributes are implemented:
— Password management:
• Strong Passwords and password re-use / history rules,
• password aging rules, password change frequency and
forcing password change
• Conference and Chairman Passwords
• Locking out Users
• Displaying the User Login record
— Controlling the User Sessions includes:
• Limiting the maximum number of concurrent user sessions
• Connection Timeout
• User session timeout
• Limiting the maximum number of users that can connect to
the system