Basic Rate Interface (BRI) Feature

At a Glance

Users Affected

Telephone users, operators, digital data users

Reports Affected

System Information (SysSet-up), BRI Information

Modes

Key, Hybrid/PBX

Telephones

All
Calling Party Number appears on the 4400-Series, MLX, ETR, and MLS display telephones.
Called Party Number appears on the 4412D+, 4424D+, 4424LD+, MLX, and ETR display telephones.

System Programming

  800 NI-BRI Module



Specify 800 NI-BRI modules that provide primary, secondary, and tertiary clock synchronization and source-of-clock synchronization; also activate/deactivate clock:

  • LinesTrunks or More ClockSync

Assign telephone numbers (SPID and DN) to BRI lines:

  • LinesTrunks or More BRI SPID/DN Enter SPID Enter Enter DN Enter

Specify BRI timer settings:

  • LinesTrunks or More BRI Timer

Maximums

 
  BRI modules



5

Factory Settings

  System-wide Clock

  Synchronization

  Source  Primary Clock  Clock


Loop (not definable by System Manager)

First port in service on an 800 NI-BRI module, or first 100D module in service in control unit

Active
BRI

    Service Profile Identifier (SPID)
    assigned to BRI line

    Directory Number (DN)
    assigned to BRI line


0 digits


0 digits
Timer and counter thresholds for all BRI ports in system

    T200 Timer

    T203 Timer

    T303 Timer

    T305 Timer

    T308 Timer



1,000 ms (range 500-5,000 ms, increments of 500 ms)

33 seconds (range 10-255 seconds, increments of 1 second)

4 seconds (range 2-10, increments of 1 second)

30 seconds (range 2-60, increments of 1 second)

4 seconds (range 2-10, increments of 1 second)

Topics
  Description
 
  Terminology
Clock Synchronization
Clock Switching
Timers and Counters
Call Processing
  At a Glance
  Considerations & Constraints
Feature Interactions