Digital Data Services

Support  Critical Business Applications with Highly Secure, Always-On Business Data Services

Your business applications are too important to leave at the mercy of an unreliable or outdated communications infrastructure. CenturyLink® Digital Data Service (DDS) gives you the reliability your business demands with always-on, always available circuits for your communications network. Dedicated point-to-point or multi-point circuits provide maximum security and reliability. Designed to accommodate network growth and evolution, DDS gives you the flexibility and scalability to adapt cost-effectively to emerging needs.

Benefits

Enjoy effective support for key business applications by transporting digital data reliably and securely over a dedicated point-to-point or multi-point circuit.

Keep your business up and running with always-on, 24/7 availability.

Adapt to change by upgrading easily as your transport needs grow.

Control costs with competitive pricing and the flexibility to choose from data speeds ranging from 2.4 to 64Kbps.

Features

All-digital transmission to eliminate the need for expensive analog modems (customer-provided channel service unit (CSU)/data service unit (DSU) required).

Compatibility with other CenturyLink digital services, including DS-1, DS-3, frame relay, packet-switching networks, simultaneous voice and data service (SVDS), synchronous optical network (SONET), self-healing alternate route protection (SHARP), and self-healing network service (SHNS).

Average performance of 99.8+ percent error-free seconds.

Transmission regeneration—not amplification—to avoid the noise and distortion inherent to analog circuits.

Built-in timing system to ensure that received data is read out at the same average rate that it is written to avoid information loss and data sequence.

Variable pricing discount plans.

Constant bandwidth capacity upstream and downstream.

Ability to interface with a packet-switching network, potentially reducing costs.

Optional Features

Direct digital access line (DDAL) 56Kbps access channel with the added capability of carrying signaling for a public switched digital services circuit (the line may also be used with a private switched digital network).

Transfer arrangement to transfer a leg of your CenturyLink DDS circuit to another channel that terminates either at the same premise or in a different one (limited to interstate service).

Command-a-Link™ for network control of your DDS circuit(s) on a near real-time basis; reconfiguration is done using intelligent network elements such as Digital Cross-Connect Systems.

Secondary channel, available at 2.4 through 56Kbps data speeds, for lower data rate network control or monitoring.

Subrated DS-0 Service for DS-0-to-Subrate (a.k.a. DS-0A-to-DS-0B) multiplexing and transport of the subrate muxed channel.

How It Works

DDS is a core private line solution providing full duplex, four-wire transmission of synchronous serial data over a dedicated point-to-point or multi-point circuit between two end users or between an end user and another carrier. CenturyLink provides timing for this service through facilities to the end user on the received bit stream. DDS is only available between locations that can be connected through compatible digital facilities.

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.

More Services and Solutions for You

Metro Ethernet

Ethernet and optical technologies across a metro-/wide-area network to deliver low cost, scalable, and secure bandwidth.

DWDM: GeoMax

Secure private optical networking for business critical applications.

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