Polycom RMX 1500 Administrator's Manual page 244

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Polycom RMX 1500/2000/4000 Getting Started Guide

Gateway to Polycom® Distributed Media Application™ (DMA™)

Gateway to Polycom® Distributed Media Application™ (DMA™) 7000

enables audio only PSTN, ISDN (video endpoints using only their audio

channels), SIP and H.323 calls to connect to the Polycom DMA 7000 via

gateway sessions running on the RMX. Each RMX conference acting as a

gateway session includes one connection to the endpoint and another

connection to the DMA. The DMA 7000 enables load balancing and the

distribution of multipoint calls on up to 10 Polycom RMX media servers.

As part of this solution, the RMX acts as a gateway for the DMA that

supports H.323 calls. The PSTN, ISDN or SIP endpoint dials the virtual

Meeting Room on the DMA via a special Entry Queue on the RMX.

For more information, see "Dialing to Polycom® DMA™ 7000" on

Rmx 4000 Rmx 2000