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DIN ETS 300544:1995-09
European digital cellular telecommunications system (Phase 2) - Call Waiting (CW) and Call Hold (HOLD) supplementary services - Stage 2; English version ETS 300544:1995
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Summary
The document describes the Call Waiting (CW) and Call Hold (HOLD) supplementary services, stage 2, at the european digital cellular telecommunications system (phase 2).
Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 09/01/1995 |
| Page Count | 44 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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