Figure 121: Blacklist Configuration Parameters; Figure 122: Blacklist Csv File - Grandstream Networks UCM6510 User Manual


To add blacklist number in batch, click on
format is as below.
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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->PBX->Internal Options->Feature Codes.
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Figure 121: Blacklist Configuration Parameters

to upload blacklist file in csv format. The supported csv

Figure 122: Blacklist csv File

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