User's Manual
GXV3240 User Manual 
TOOLS 
Grandstream Co., Ltd 
Software Version:1.0.0.11 Document Version:0.1 
92 
Figure 87 GXV3240 Blacklist-Block History 
 
: Display blocks history. Press the Recycle Bin button  to empty the history list. 
  : Display blacklist list. 
  Long press    on the upper right corner to add number to blacklist. There are 3 ways 
to add number: Manually add, Add from contacts, Add from Call History. Select one way 
and tap on “OK” to add the corresponding number to blacklist.   
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