Superseded
Standard
Historical
DIN ETS 300121:1993-07
Integrated Services Digital Network (ISDN); application of the ISDN User Part (ISUP) of CCITT signalling system no. 7 for international ISDN interconnections (ISUP version 1); English version ETS 300121:1992
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Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 07/01/1993 |
| Page Count | 8 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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