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DIN ETS 300712:1997-12
Integrated Services Digital Network (ISDN) - Public Switched Telephone Network (PSTN) - Premium Rate (PRM) service; service description; English version ETS 300712:1997
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Summary
The document defines the stage 1 description for a premium rate service in the IDSN and PSTN offered by a service subcriber.
Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 12/01/1997 |
| Page Count | 25 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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