Integrated Services Digital Network (ISDN);Digital Subscriber Signalling System No. one (DSS1) protocol;Basic call control;Enhancement at the b" service entry point for Virtual Private Network (VPN) applications Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user" (Endorsed by Asociación Espanola de Normalización in August of 2021.)
STANDARD published on 1.8.2021
Designation standards: UNE-EN 301060-4V1.1.4
Publication date standards: 1.8.2021
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Category: Technical standards UNE