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Integrated Services Digital Network (ISDN); Conference call, add-on (CONF) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the user
STANDARD published on 31.10.1996
Designation standards: ETSI ETS 300185-3-ed.1
Publication date standards: 31.10.1996
SKU: NS-312294
The number of pages: 22
Approximate weight : 66 g (0.15 lbs)
Country: European technical standard
Category: Technical standards ETSI
Latest update: 2026-04-05 (Number of items: 2 271 011)
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