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8. Select Voice Management > Local Number from the navigation tree, and click the icon of
local number 3000 to access the call services page as shown in Figure 608.
Figure 608
Enabling the
feature service
9. Select Enable for Feature Service.
10. Click Apply.
Verifying the configuration
After the above configuration, dial feature code *425*1000# at Telephone C, and you can monitor the
conversation between Telephone A and Telephone C. If you want to participate in the conversation,
dial *428# at Telephone C.