Private Line: T1/DS1

Keep Your Business Ahead by Eliminating the Need for Multiple Low-Speed Channels

Affordable high-speed digital transport with point-to-point, high-capacity private line service you can depend on to support mission-critical business functions and applications. 

Our effective and cost-efficient Private Line: T1/DS1 is a dedicated full duplex point-to-point, high-capacity private line transport service that reliably and securely aggregates traffic on a single cost-effective circuit.

That helps you cut cost and improve response time. Transmission is digital, which means your signal is clean and free of cross talk, amplified noise and distortion maximizing business efficiency. T-1/DS-1 channels can be provided between two of your designated locations, or between one location and a CenturyLink wire center.

With CenturyLink as your T-1/DS-1 Internet service provider, you'll never have to worry about your communications technology slowing your business down.

Private Line: T1/DS1 transmits of isochronous serial data at 1.544Mbps. The service has the capacity of 24 voice-equivalent channels. It is provisioned on copper, fiber and in some instances, microwave radio. In some high-density cities, the service is provisioned on a synchronous optical network (SONET)-based interoffice network that connects wire centers.


Ensures Reliable, Secure Transport of High-Volume Communications Between 2 Locations

Aggregates Point-to-Point Voice, Data, and Video Traffic on a Single Dedicated, Cost-Effective Circuit

Provides Clean, Pure Transmissions

Comes with a Service Level Agreement for Provisioning and Repair

Enhances Quality and Utility of Service with Optional Features

Improves Response Time


Copper, Fiber, and Microwave Radio Provisioning

Central Office Multiplexing - 24 Voice-Equivalent Channel Capacity

Central Office Multiplexer-to-Multiplexer Connection

Line Code Options Include Alternate Mark Inversion and Binary Eight Zero Substitution

Clear Channel Capability

Isochronous Serial Data Transmission at 1.544Mbps

Control of Services via Command a Link™ 

Self-Healing Alternate Route Protection (SHARP) for Local Loop

Automatic Loop Transfer Protection Against Copper Facilities Failure

Framing Options Include D4 Framing, Extended Super Frame, Non-ANSI, and Free Framing

Network Maps

The CenturyLink network covers the entire continental United States and has one of the largest fiber footprints. Internationally, we provide coverage to hundreds of destinations.

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Internet Port

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Fiber Services

Experience fiber Internet that moves as fast as your business.

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