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Chapter 3 - Before You Deploy
© Polycom, Inc. 51
Notes
Older Polycom ViewStation systems and the RADVision MCUs
and gateways both support 10 Mbps half duplex only.
There are known issues with some older Cisco Catalyst 10/100
switches and video endpoints negotiating half/full duplex. If
the negotiation fails, the endpoint will still function, but the
system will experience video freezing every 3 to 5 seconds.
Predeployment Planning
The main factors to consider in planning the deployment are:
❑ LAN/WAN considerations — document the LANs, subnets,
and WAN links involved in the deployment.
❑ Capacity planning — assess the bandwidth requirements for
the deployment.
❑ Call processing considerations — define call processing
architecture and identify gatekeepers, define registration policy
and call policy.
❑ Dial plan — define details of services, routing, policies, zones,
and addressing.
❑ Server requirements — verify that all management software
will be installed on suitable equipment.