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DIN EN 300356-21:2002-01
Integrated Service Digital Network (ISDN) - Signalling System No. 7 (SS7); ISDN User part (ISUP) version 4 for the international interface - Part 21: Anonymous Call rejection (ACR) supplementary service (ITU-T Recommendation Q.731, clause 4 (1993)) (Endorsement of the English version EN 300356-21 V 4.2.1 (2001-07) as German standard).
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Summary
The document specifies requirements in the telecommunications sector.
Notes
DIN ETS standards collection
Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 01/01/2002 |
| Page Count | 1 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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