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Polycom RealPresence Collaboration Server (RMX) 1500/2000/4000 Administrator’s Guide
I-4 Polycom, Inc.
Polycom Equipment
DMA 7000 4.0 Polycom Distributed Media Application
• DMA is an optional component but is essential if Content
sharing is to be enabled.
• All SIP endpoints register to DMA as a SIP Proxy.
• DMA should be configured to route SIP calls (with CTS
destination) to CUCM. If DMA is not present in the
solution architecture, SIP endpoints must register to
CUCM as gatekeeper.
• DMA must be configured with a VMR (Virtual Meeting
Room). Incoming calls are then routed to the MCU.
MCU 7.6 and
higher
MCU:
• Functions as the network bridge for multipoint calls
between H.323, SIP and TIP endpoints.
• The MCU can be interfaced to CUCM using a SIP trunk,
enabling CTS to join multipoint calls on MCU. Signaling
goes through the CUCM while the media in TIP format
goes directly between the CTS and MCU.
• The MCU must be configured to route outbound SIP calls
to DMA.
• The H.323 Network Service of the MCU should register
it's dial prefix with the CMA gatekeeper.
• When DMA is not used an Ad-hoc Entry Queue,
designated as Transit Entry Queue, must be pre-defined
on the MCU.
MLA 3.0.3 Multipoint Layout Application
Required for managing multi-screen endpoint layouts for
Cisco CTS 3XXX, Polycom TPX, RPX or OTX systems.
CMA 5.5 Polycom Converged Management Application - Gatekeeper
• The gatekeeper must route calls to MCU based on the
MCU prefix registration on the gatekeeper.
Endpoints Telephony, desktop and room systems.
• H.323 endpoints must register to the CMA or IOS
gatekeeper.
• Polycom SIP endpoints must register to DMA as SIP
Proxy when DMA is used.
• H.323 endpoints must register to the CMA or IOS
gatekeeper.
Table I-1 Solution Architecture Components
Component Version Description