Protocol

ISDN PRI

Primary Rate Interface · 23B+D · 30B+D

Lab ready Full lab

Primary Rate ISDN: T1 23B+D or E1 30B+D with a 64 kb/s D-channel for Q.931/LAPD. Timeslots map B-channels; framing and line coding come from the TDM carrier.

Domains

Tags

isdnt1e1timeslotd-channel

Sources

  • ITU-T I.431 / Q.921 / Q.931
  • ANSI T1.403 (T1 PRI practice)

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