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Data Services

Megalink T-1 Service

AT&T BusinessSM MegaLink® Service combines with Channel Service to simplify your network. Channel Service lets you avoid the cost of purchasing and maintaining on-premise multiplexing by providing you with up to 24 channels.

  • Choose your services. Channel service handles voice, data, facsimile, and video services, changing as your needs change.
  • Expand your network. Activate additional circuits as you need them, without building or buying new facilities.
  • Save money by using fewer lines. A digital PBX offers data speeds of 1.544 MBPS. These speeds let you handle more data with fewer lines.
  • Avoid obsolescence in major equipment because you are using ours. We continually upgrade and enhance our capabilities to ensure the best possible service to you.
  • Rely on experts to configure your network. Let AT&T’s experienced professionals ensure that you make best use of your network resources.
Primary Rate ISDN (PRI)
AT&T® Primary Rate ISDN (PRI) service uses the public telephone network to carry an all-digital signal that can satisfy your company’s voice and data communications needs in the most efficient, flexible way possible.

With PRI service, you can:

  • Combine voice and data communications with the flexibility to add capacity when you need it.
  • Re-allocate capacity at any time.
  • Expect 1.54 Mbps of capacity – the equivalent of a T-1 line.

PRI service boasts:

  • 23 channels available to support voice, data, and video services that can be easily combined or re-allocated for greater flexibility
  • A 24th channel to support signaling between your equipment and the AT&T network
Frame Relay
AT&T BusinessSM Frame Relay Service offers you an affordable yet fast and flexible data transport option. Frame Relay is a connection-oriented packet mode service that enables you to transmit data at high speeds while achieving cost-efficiency and performance advantages over other architectures.

  • Provides a fast, reliable alternative to dedicated lines
  • Makes it easy to add or delete locations and modify sites
  • Allows you to create your own routes and set up permanent virtual circuits-your own series of point-to-point virtual connections-throughout your network
  • Provides better performance because it is based on X.25 LAPS standards yet doesn’t require the error correction and control information overhead of the X.25 protocol
  • Establishes a "nailed-up" connection between two locations in the network, allowing large variable-length frames to be sent back and forth with very little control information and validation at intermediate nodes
  • Includes 24×7 network monitoring and maintenance
  • Uses existing equipment



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