| Segment specification | COM |
| Directory | Messages | Segments | Composites | Data elements | Codes | Meaning of the change indicators |
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| To identify a communication number of a department or a person to whom communication should be directed. |
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| 010 |  |
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C076 | Communication contact | M | 3 | |||||||
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M | 1 | an..512 | |||||||
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M | 1 | an..3 |
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