Customer Service and Booking Hotline: +44 (0) 845 672 0175

Search

PRI

Primary Rate Interface

A Primary Rate Interface is a ISDN (Integrated Services Digital Network) term describing either an E1 circuit in Europe or a T1 circuit in North America. These are comprised of 30 traffic channels and two signalling channels (E1, 30B+2D - 2.048Mbps) and 23 traffic channels and one signalling channels (T1, 23B+D - 1.544Mbps) respectively.

Bookmark this glossary item

Share this item using the following sites:

Courses by category...

Glossary Search

Newsletter Sign-up

Our RSS Feeds...