urmet domus IPerCom 3.1.0 System Technical Manual For The Installer page 217

The 2Voice apartments that are thus created under the stair, where the gateway is located, have a different
setting page than the IPerCom apartments: in addition to the "Name", "Topological Code", "Numerical
Code" or "Logical Code" fields (if the system is set in numerical or logical mode), the "2Voice Code" field
also appears:
Figure 239: apartment 2Voice code setting
This field is used to set the physical code of the 2Voice user: the allowed values range from 0 to 126.
Pressing on the numerical value "0" opens the following window:
Figure 240: Window where enter apartment code
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