Appendix I - Polycom Open Collaboration Network (POCN)

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 Collaboration Server 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.

Model 1

The deployment architecture in Call Flow shows two companies: Company A and Company B. Company A - has deployed a Polycom solution including:

DMA

Collaboration Server

MLA

Polycom telephony and desktop endpoints. Company B - has deployed a Cisco solution including:

CTS 1000

CTS 3000

Polycom®, Inc.

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Polycom 1500/1800/2000/4000 manual Company to Company Models Using a Service Provider, Collaboration Server