What is the difference between ISDN BRI and PRI? - ProProfs Discuss
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What is the difference between ISDN BRI and PRI?

Asked by R. Barnes, Last updated: Jul 30, 2021

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2 Answers

M. Porter

M. Porter

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M. Porter
M. Porter, Senior Executive, Master of Art, San Jose

Answered Aug 29, 2019

BRI and PRI are both ISDN (Integrated Service Digital Network). BRI is an abbreviation for Basic Rate Interface. It is intended for use by subscribers of the line. It is the entry-level service as it provides the lowest level performance.

BRI and PRI are both ISDN (Integrated Service Digital Network). BRI is an abbreviation for Basic
Only 2 B channels and D channel is used in BRI PRI stands for Primary Rate Interface; it is similar to BRI except for minor differences. PRI is a superior service as it is the major level service. It is a lot faster than BRI. The number of channels used in PRI varies.

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Bergeront Tiffney

Bergeront Tiffney

Here for the daily dose of fresh knowledge

Bergeront Tiffney
Bergeront Tiffney, Computer Engineer, M. Tech, Southeast Montgomery

Answered Jun 18, 2019

It should be remembered that these two are ISDN, and it is evident that these are used to transmit data through telephones. The first difference is their meanings. BRI stands for Basic Rate Interface while PRI stands for Primary Rate Interface. Another difference which is considered to be their main difference is the type of service that they can offer. BRI uses two channels with one up and the other one down.

It should be remembered that these two are ISDN, and it is evident that these are used to transmit
The service that this can offer is, but the price of the BRI is lower as compared to the PRI, which can provide more advanced features that may be needed at present. Aside from these details, these two are not much different from each other.

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