Digital Access Signalling System 1: Difference between revisions

Revision as of 06:07, 19 June 2022

Latest revision as of 16:06, 24 February 2024

(5 intermediate revisions by 5 users not shown)

Line 1:

{{short description|Proprietary protocol providing ISDN services}}

{{Use dmy dates|date=April 2022}}

{{UnreferencedRef improve|date=JanuaryFebruary 20082024}}

'''Digital Access Signalling System 1''' ('''[https://en-academic.com/dic.nsf/enwiki/7716036 DASS1]''') is a [[proprietary protocol]] defined by [[British Telecom]] to provide [[Integrated Services Digital Network|ISDN]] services in the [[United Kingdom]].<ref>{{cite web |title=Introduction To Line Telecommunications |url=https://www.tlc-direct.co.uk/Technical/Telecoms/History/TH022.htm |publisher=TLC |access-date=3 February 2024}}</ref> It is now obsolete, having been replaced by [[DASS2]]. This too will become obsolete over the coming years as [[Q.931]], a [[Europe]]anEuropean standard, becomes widely adopted in the [[European Union|EU]].

'''==References'''==

{{Reflist}}

{{BT Group}}

Line 10 ⟶ 12:

[[Category:History of telecommunications in the United Kingdom]]

[[Category:Integrated Services Digital Network]]

'''References'''