USDNUnited States Digital Network
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This message was made clear at the 1983 Monterey ISDN- USDN Conference, with the rapid proliferation of voice-prompted transactions in banking, retail, manufacturing and insurance.
If we applique USDN onto the twisted-pair that already exists, then we can expand communications and improve costs and derive a multitude of additional services.
To close, remember that fourth-generation architecture allows us the flexibility and freedom to move gracefully to the future, through enhancement versus replacement and USDN provides a vehicle for exploring between us new services and capabilities, both in a technical and market sense.