Comm Partners connect Polycom 320 Technical Information download pdf (Page 31)

Understanding OpenScape Video Use Cases

Automatically Routing Around Outages

The Polycom DMA system receives notification if a bridge goes down or becomes full, and responds to

prevent loss of service. Only the capacity is reduced during the outage.

In the case of a conference call failover, that is, if a connection to a bridge fails during a call, the DMA

system automatically holds the call and reestablishes it on another bridge. End users and administrators

do not have to intervene.

The following table lists features of the Polycom DMA system.

Figure 4-7: Features of the Polycom DMA System

Feature Description

Scalability - Smart

Capacity Growth

• Addition of another DMA server for

redundancy

• Add more MCUs

• Provisioning of VMRs the same as for

Medium deployment

Supported MCU

Capacities

• DMA system supports up to 64 bridges

• Supports 1,200 concurrent calls: Video,

audio, CIF, HD

• Tested to 375,000 Active Directory users

• Supports Polycom RMX 1500/2000/4000

bridges

• Also applicable for Cisco Codian

MCU Auto Cascading

• All users dial same VMR number, regardless

of location

• DMA system routes calls to the closest

bridge

• DMA system establishes links between

bridges

• Users do not have to modify their dialing

behaviors

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Comm Partners connect Polycom 320 Technical Information Page 31