SSH ETS 300 125:1991

Rrjeti Dixhital i Shërbimeve të Integruara (ISDN); Specifikimi i shtresës së lidhjes të të dhënave të ndërfaqes së përdoruesit të rrjetit; Zbatimi i Rekomandimeve të CCITT Q.920/I.440 dhe Q.921/I.441

Integrated Services Digital Network (ISDN); User-network interface data link layer specification; Application of CCITT Recommendations Q.920/I.440 and Q.921/I.441

Scope

This standard specifies the user-network interface data link layer of the pan European Integrated Services Digital Network (ISDN) as provided by European public telecommunication operators at the T reference point or coincident S and T reference point (as defined in CCITT Recommendation I.411 [13] by means of Digital Subscriber Signalling System No. 1 (DSS1).