Integrated Services Digital Network (ISDN) Direct/BRI is an affordable yet reliable form of high-speed, digital data communications.

  •  ISDN Direct/BRI provides the end user with the ability to combine Circuit Switched Voice and Circuit Switched Data services over a single ISDN line.         
  • ISDN Direct/BRI services require the use of an ISDN line (2B+D). The two 64 Kbps 'B' Channels are used to transmit any combination of Circuit Switched Voice and Circuit Switched Data services. The 'D' Channel is used to carry signaling and user packet switched data.         

 
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