The VAST Emergency Dispatch Simulator (EDS) utilizes the latest in Voice Over Internet Protocol (VOIP) technology to provide a software only communications solution.

The system simulates both full duplex telephone lines as well as Push To Talk (PTT) radio lines. All radio frequencies, communications groups and telephone numbers are user configurable.

Features

Software only – no specialized hardware required
100+ users on 100MB network
Simulate up to 30 radio frequencies
User configurable frequencies, groups and telephone numbers
Simulate up to 30 telephone lines
5 Category pages
Multiple user interfaces available
Graphical PTT button
USB PTT foot switch available
Uses Standard PC microphone headset or CB style hand held microphone
Software Gatekeeper – allows multiple independent communications groups on common network
Remote startup and shutdown of client positions
Touch screen or mouse operation.

Minimum Requirements:

Intel Pentium IV PC
15” monitor
Windows 2000/XP® (Home or Pro)
Any sound card that supports full duplex audio
Low-noise stereo headset or microphone and speakers
100MB Network
512MB RAM
60MB Free HD space
DirectX 8.1

Performance
The maximum possible number of positions is limited by the user transmission rate and the Network bandwidth. For a 100MB network, with the “worst-case” scenario of each position transmitting continuously over both the Radio and Intercom [each sending 1040 bytes/sec of data] the network usage is calculated with network overheads of ~30% as:

Thus 100 positions will utilize ~2.2% (101 x 0.022) of the network bandwidth in the “worst-case” scenario.

This document is in Adobe Acrobat PDF format.