RMX 2000 Administrator's Guide Version 7.6.1 - Polycom

Polycom RMX 1500/2000/4000 Administrator’s Guide
Company to Company Models Using a Service Provider
Using this topology, both companies connect to a Service Provider via a Cisco Session Border
Controller (SBC). The Service Provider functions as a B2B Telepresence Exchange, enabling
multipoint calls between the two companies and their respective video and audio endpoints
using the RMX as the conference bridge.
The SBC functions as a firewall that the Service Provider can configure according to Trust
Relationships between two or several companies. By using this method, companies do not
have to open their corporate firewalls and administer connectivity with the many
companies they may need to communicate with.
Two topology models are discussed:
• Model 1:
— Company A has a Polycom only environment.
— Company B has a Cisco only Environment.
• Model 2:
— Company A has a mixed Polycom and Cisco environment.
— Company B has a Cisco only Environment.
J-6 Polycom, Inc.