Figure 143: Black/White List - Grandstream Networks UCM630 Series User Manual

To use this feature, log in UCM Web GUI and navigate to Call FeaturesIVRCreate/Edit IVR: IVR Black/White
List.

If the user selects "Blacklist Enable" and adds extension in the list, the extensions in the list will not be
allowed to be reached via IVR.

If the user selects "Whitelist Enable" and adds extension in the list, only the extensions in the list can be
allowed to be reached via IVR.

Figure 143: Black/White List

UCM630X Series User Manual
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