I.S. EN 300 356-21:2001
Current
The latest, up-to-date edition.
INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - SIGNALING SYSTEM NO. 7 (SS7) - ISDN USER PART (ISUP) VERSION 4 FOR THE INTERNATIONAL INTERFACE - PART 21: ANONYMOUS CALL REJECTION (ACR) SUPPLEMENTARY SERVICE
12-01-2013
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Specifies ISUP V4 specific enhancements for the supplementary service Anonymous Call Rejection (ACR).
| DocumentType |
Standard
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Standards | Relationship |
| EN 300 356-21 : 4.2.1 | Identical |
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