Grandstream Networks UCM6104

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UCM6100 Series User Manual
Version 1.0.18.13
• To add blacklist number in batch, click on “choose file to upload” to upload blacklist file in csv format. The
supported csv format is as below.
Figure 125: Blacklist csv File
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Note:
Users could also add a number to the Blacklist or remove a number from the Blacklist by dialing the feature code
for "Blacklist Add' (default: *40) and "Blacklist Remove" (default: *41) from an extension. The feature code can
be configured under Web GUI→Call Features→Feature Codes.
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