Encyclopedia : B : BT : BT2 (3 articles)

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BT 21CN
The 21st Century Network (21CN) programme is the network transformation project of the UK telecommunications company BT Group plc. It will see the UK incumbent's telephone network move from the present AXE/System X Public Switched Telephone Network (PSTN) to an Internet Protocol (IP) system. As well..
BT 2 + 8
There are very few or no other articles that link to this one.Please help [[help:link|introduce links]] in articles on [related topics]. After links have been created, remove this message.This article has been tagged since June 2006. } The BT 2 + 8 is a PBX telephone switchboard. Extern..

 

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