ISDN Testers from GL Communications, Inc.

ISDN Analysis and Simulation

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ISDN Analysis and Simulation-Image

The ISDN service for carrying analog and digital voice /data is provided in two flavors:

  • Primary rate B-channel interface (PRI) structure - 30 thirty B-channels and one 64 kbit/s D-channel, (30B+D) -– this service is suitable for the large enterprises with a speed of 1984 kbps
  • Basic rate interface (BRI) structure - two B-channels and one 16 kbit/s D-channel (2B+D) – this service is suitable for the home and small enterprise with a speed of 144 kbps

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GL Communications, Inc.