Basic Rate ISDN (BRI)

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AT&T Basic Rate ISDN (BRI) service allows a single telephone line to carry voice, video, and data simultaneously to give you more efficient and affordable service

AT&T Basic Rate ISDN (BRI) service allows a single telephone line to carry voice, video, and data simultaneously to give you more efficient and affordable service. BRI has:

  • Two B channels to carry voice, video, or data
    • Each B channel contains speeds as high as 64 Kbps
    • B channels can be combined to offer up to 128 Kbps for applications that require more bandwidth
  • A third channel (the D channel) to carry the call set-up information and low-speed packet data

Features

  • All-digital service
  • Speeds up to 128 Kbps
  • Integrated voice, video and data
  • Flexible capacity on demand
  • Uses existing wiring

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