Introduction to the Polycom DMA System Polycom® DMA7000 System Overview
Polycom, Inc. 7
System Capabilities and Constraints
The following capabilities and constraints apply to the entire supercluster:
Number of sites: 500
Number of clusters in a supercluster: 5 (not counting an integrated
Polycom RealPresence Resource Manager or CMA system)
Number of MCUs enabled for conference rooms: 64
Number of territories enabled for conference rooms (Conference Manager
enabled): 3
Number of concurrent VMR calls: 1200 per territory (Conference
Manager), up to 3600 total
Size of Active Directory supported: 1,000,000 users and 1,000,000 groups
(up to 10,000 groups may be imported)
The following capabilities and constraints apply to each cluster in the
supercluster:
Number of registrations: 15000
Number of concurrent H.323 calls: 5000
Number of concurrent SIP calls: 5000
Total number of concurrent calls: 5000
Number of network usage data points retained: 8,000,000
Number of IRQ messages sent per second: 100
System Port Usage
The table below lists the inbound ports that may be open on the Polycom DMA
system, depending on signaling and security settings, integrations, and
system configuration.
Table 1-1 Inbound port usage
Port Protocol Description
22 TCP SSH. Only available if Linux console
access is enabled (see “Security Settings”
on page48).
80 TCP HTTP. Redirects to 443 (HTTP access is
not allowed). Disabled in maximum
security mode.
443 TCP HTTPS. Redirects to 8443.
1718 UDP H.323 RAS. Default port; can be changed
(see “Signaling Settings” on page71).