Basic Rate Interface - définition. Qu'est-ce que Basic Rate Interface
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Qu'est-ce (qui) est Basic Rate Interface - définition

ISDN CONFIGURATION
2B1D; 2B D; 2B plus D; Basic rate access; Basic Rate; BRI ISDN; ISDN2e; ISDN BRI; Basic Rate ISDN; Basic rate interface; 2B+D
  • An ISDN phone

Basic Rate Interface         
<communications> (BRI, 2B+D, 2B1D) An {Integrated Services Digital Network} channel consisting of two 64 kbps "bearer" (B) channels and one 16 kbps "delta" (D) channel, giving a total data rate of 144 kbps. The B channels are used for voice or user data, and the D channel is used for control and signalling and/or X.25 packet networking. BRI is the kind of ISDN interface most likely to be found in residential service. (2002-01-13)
Basic Rate Interface         
Basic Rate Interface (BRI, 2B+D, 2B1D) or Basic Rate Access is an Integrated Services Digital Network (ISDN) configuration intended primarily for use in subscriber lines similar to those that have long been used for voice-grade telephone service.
2B+D         

Wikipédia

Basic Rate Interface

Basic Rate Interface (BRI, 2B+D, 2B1D) or Basic Rate Access is an Integrated Services Digital Network (ISDN) configuration intended primarily for use in subscriber lines similar to those that have long been used for voice-grade telephone service. As such, an ISDN BRI connection can use the existing telephone infrastructure at a business.

The BRI configuration provides 2 data (bearer) channels (B channels) at 64 kbit/s each and 1 control (delta) channel (D channel) at 16 kbit/s. The B channels are used for voice or user data, and the D channel is used for any combination of data, control/signaling, and X.25 packet networking. The 2 B channels can be aggregated by channel bonding providing a total data rate of 128 kbit/s. The BRI ISDN service is commonly installed for residential or small business service (ISDN PABX) in many countries.

In contrast to the BRI, the Primary Rate Interface (PRI) configuration provides more B channels and operates at a higher bit rate.