Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) protocol; Close User Group (CUG) supplementary service; Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the network (Endorsed by AENOR in July of 2003.)
| AENOR | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Name | UNE-EN 300138-5 V3.1.1 |
