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RealPresence Collaboration Server (RMX) 1500/1800/2000/4000 Administrator’s Guide
Polycom®, Inc. 545
Port Usage Gauge - Collaboration Server 1800 with MPMRx Cards
NAT (Network Address Translation) Traversal
NAT Traversal is a set of techniques enabling participants behind firewalls to connect to conferences,
hosted on the Collaboration Server, remotely using the internet.
All signaling and media for both SIP and H.323 will be routed through an SBC. The following SBC
environments are supported:
● SAM - a Polycom SBC
● Acme Packet - a 3rd party SBC
● VBP - Polycom Video Border Proxy
Deployment Architectures
The following NAT Traversal topologies are given as examples. Actual deployments will depend on user
requirements and available infrastructure:
Remote Connection Using the Internet
The following Remote Connection call flow options are supported:
Remote Connections
Enterprise Client CMA Client
Environment Registered SBC Registered Environment
SIP / H.323 Yes SAM / Acme Packet Yes SIP