RADVision Scopia XT1000 Installationsanleitung PDF herunterladen (Seite 9)

'Architecture Considerations' | 5

RADVISION | Installation Guide for SCOPIA XT1000 Version 2.0

ISDN Connectivity

The SCOPIA XT1000 Series supports ISDN connectivity, allowing calls from endpoints to be routed

to the relevant conference using the SCOPIA BRI (Basic Rate Interface) and PRI (Primary Rate

Interface) gateways.

RADVISION has implemented a special pairing mechanism between the gateway and the endpoint

so that ISDN dialing is very simple. After pairing the systems, the participants place ISDN calls by

dialing the remote party ISDN number. The system automatically and transparently takes care of

setting the bit rate and call routing through the ISDN gateway.

A single gateway can serve multiple endpoints. For example, an organization needs to enable 5

endpoints with ISDN connectivity. Assuming the requested ISDN connectivity speed is 256bps, use

only one ISDN PRI gateway as it can support 5 concurrent calls of 256bps each.

With the gateway approach less communication lines are needed. As all gateways do not connect

at the same time and not all calls are ISDN, many more endpoints can share the same ISDN

connection and gateway.

Implementing External Control

The SCOPIA XT1000 has a feature-rich API. Using this API, integrators can implement AMX and

Creston applications to control the Codec Unit. The API is implemented as text commands over

the Ethernet interface. Contact RADVISION customer support for a copy of the API

documentations.

For the current release API support is available by using IP protocol over the Ethernet connection,

and not via the RS-232 serial port.

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RADVision Scopia XT1000 Installationsanleitung Seite 9