After a switch is connected to an IP phone, you can configure functions such as the default VLAN, voice VLAN, port security, and port isolation based on service requirements.
Procedure
Choose Configuration > Interface Setting in the navigation tree. The Interface Setting page is displayed. Click Connect IP Phone.
Select a port to be configured.
Perform the following operations as required in the port area:
Click a port icon. To deselect the port, click the port icon again.
Drag the cursor to select consecutive ports in a batch.
Select a slot where an LPU is located. All ports on the LPU are selected.
Configure the port.
Click Apply to make the configuration take effect.