| Table | Table Description | Column# | Alias | Column Description | Data Type | Length | Decimals | Default Value | Constraints |
|---|
| 1 | HRP1756 | DB Table for Infotype 1756 | 20 | TEL1 | External Organization: Communication Type 1 | nvarchar | 30 | 0 | | |
| TOPBelgium |
| 2 | T5B1H | Relationships Betw. Companies and Institutions | 17 | TEL1 | Phone Number of Contact Person | nvarchar | 20 | 0 | | |
| 3 | T5B1R | Relationships Betw. Pers. Subareas and Institutions | 18 | TEL1 | Phone Number of Contact Person | nvarchar | 20 | 0 | | |
| 4 | T5B1T | Relationships Betw. Companies and Institutions | 18 | TEL1 | Phone Number of Contact Person | nvarchar | 20 | 0 | | |
| 5 | T5B1U | Relationships Betw. Personnel Subareas and Institutions | 19 | TEL1 | Phone Number of Contact Person | nvarchar | 20 | 0 | | |
