T-1 Services

American Telesis’ DS-1 Service is a high capacity point-to-point digital private line service designed for the full-duplex, isochronous transmission of digital signals at a speed of 1.544Mbps. DS-1 Service provides the equivalent capacity of 24 DS-0 (64Kbps) circuits.


  • Bulk voice and/or data transmission
  • High-speed tie lines or inter-machine trunks
  • High-speed trunking for foreign exchange or feature group services
  • High-speed trunking for exchange of traffic with other carriers

Exceptional Inter-exchange Channel (IXC) performance standards:

  • 99.95% Error-Free Seconds (EFS) – measured over 24 consecutive hours*
  • 99.96% Availability – measured over 12 consecutive months*
  • Mean Time to Repair (MTTR) – objective of 2 hours
  • * Varies based on circuit length

Compatible with Bellcore and other industry standards for DS-1 private line service

Service Options

  • Local loop capability
  • DS-1 interconnection
  • DS-1 to DS-0 multiplex service (at LEC CO)
  • DS-3/M13 Access Capability
  • Digital Cross-connect Service (DCS)
  • Echo cancellation
  • Access Reconfiguration capability
  • SF or ESF formatting
  • AMI or B8ZS (clear channel) line coding
  • Diverse routing
T-1 Services
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