American Telesis' Digital Data Service (DDS) is a DS-0 level (64Kbps) dedicated end-to-end digital private line service designed to support critical data applications. Provided with digital local access, DDS is designed for full-time synchronous transmission at 56Kbps.

Applications
56Kbps synchronous digital data transmission
High-speed (Group IV) digital facsimile transmission
56Kbps compressed video teleconferencing
Digitized voice transmission

Features
Segregated network architecture with Extended Super-frame (ESF)
DCS-to-DCS systems
Specialized DDS technical support team and maintenance staff
End-to-end service coordinating and billing
Exceptional Inter-exchange Channel (IXC) performance standards:
99.95% Error-Free Seconds (EFS) - measured over 24 consecutive hours*
99.85% Availability - measured over 12 consecutive months*
Mean Time to Repair (MTTR) - objective of 4 hours
* Varies based on circuit length
Compatible with Bellcore and other industry standards for 56Kbps DDS private line service

Service Options
Secondary Channel capability
Access Reconfiguration capability
DS-1 access capability
Diverse Routing capability

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