Supporting Isdn Connectivity; Implementing External Api Control - RADVision SCOPIA XT5000 Series Administrator's Manual

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Supporting ISDN Connectivity

The SCOPIA XT 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.

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

and Creston applications to control the XT Codec Unit. The API is implemented as commands

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

documentation.

RADVISION | Administrator Guide for SCOPIA XT5000 Series Version 3.0

Planning the Topology of the SCOPIA XT Series Deployment | 8

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