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| Наименование модели | Количество портов FXS | Количество портов FXO | Модуль эхоподавления |
| TDM410P | 0 | 0 | \- |
| TDM401B | 0 | 1 | \- |
| TDM401E | 0 | 1 | + |
| TDM402B | 0 | 2 | \- |
| TDM402E | 0 | 2 | + |
| TDM403B | 0 | 3 | \- |
| TDM403E | 0 | 3 | + |
| TDM404B | 0 | 4 | \- |
| TDM404E | 0 | 4 | + |
| TDM410B | 1 | 0 | \- |
| TDM410E | 1 | 0 | + |
| TDM411B | 1 | 1 | \- |
| TDM411E | 1 | 1 | + |
| TDM412B | 1 | 2 | \- |
| TDM412E | 1 | 2 | + |
| TDM413B | 1 | 3 | \- |
| TDM413E | 1 | 3 | + |
| TDM420B | 2 | 0 | \- |
| TDM420E | 2 | 0 | + |
| TDM421B | 2 | 1 | \- |
| TDM421E | 2 | 1 | + |
| TDM422B | 2 | 2 | \- |
| TDM422E | 2 | 2 | + |
| TDM430B | 3 | 0 | \- |
| TDM430E | 3 | 0 | + |
| TDM431B | 3 | 1 | \- |
| TDM431E | 3 | 1 | + |
| TDM440B | 4 | 0 | \- |
| TDM440E | 4 | 0 | + |