Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Call offer supplementary service - Part 1: Test Suite Structure and Test Purposes (TSS&TP) specification
STANDARD published on 1.2.2001
Designation standards: ÖNORM EN 301491-1-V1.1.2
Publication date standards: 1.2.2001
The number of pages: 21
Approximate weight : 63 g (0.14 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM