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DEFINITY Enterprise Communication Server Release 9
Getting Started with the Avaya R300 Remote Office Communicator
Issue 1
November 2000
Overview of the Avaya R300 Remote Office Communicator
3DEFINITY Remote Office overview
1
From the host LAN network, the control and bearer IP traffic streams are directed via Host
WAN Access equipment to the WAN. This WAN access equipment typically would
consist of the following components:
■ Router to serve as the IP gateway from the enterprise premises out to the IP-based
WAN.
■ Access Concentrator to multiplex the LAN and TDM-based enterprise traffic
streams into an aggregated stream to present to the wide area network.
■ Optionally a VPN service for providing enhanced security, particularly for data
services.
■ Optionally a Frame Relay Access Device (FRAD) to wrap the traffic into a frame
format suitable for transport over an enterprise network based upon frame relay
PVC service.
This WAN access equipment may be provided by one or more physically separate
products, and these products may be provided by different vendors. The industry trend is
for increased consolidation of this equipment.
The central wide area network services (shown as a cloud in the center of Figure 1 on page
2) can be an enterprise network, a PSTN switched network or a combination of the two.
The technologies of the WAN may be a variety of services including frame relay, ATM,
ISDN or digital T-carrier. In all cases, this DEFINITY Remote Office application will
provide both the signaling and voice bearer traffic in IP -based protocol frames that are
transported over the underlying physical frame formats.
Avaya R300 network
At the far side of the WAN is the Avaya R300. You can have multiple Avaya R300 devices
that subtend via the WAN back to a main DEFINITY system.
The Avaya R300 provides the following features:
■ Support for up to 24 DCP digital two-wire sets: 6400-series, 8400-series, or
9031DCP Transtalk model (wireless base station).
■ Support for two analog stations to which analog phones (6200-series or
2500-series) or analog fax machines may be connected.
■ Support for local switching between the analog and DCP station sets out through
local central office trunks. These local trunks (local to the remote site) may be
either digital through T1/E1/BRI WAN access trunks or, in North America,
through 600 ohm analog trunks.
In addition to voice telephony features, the Avaya R300 provides the remote site the
opportunity to integrate data and provides a conversion of voice and data applications in
the same product.