User`s manual

3.6 Prefix
The Prefix function is using the drop and insert function (see figure 3.6).
Figure 3.6: Prefix Configuration
There is a rule between Prefix and Routing command, the Prefix command
have the higher priority over the Routing command. If there is an incoming call
from any sides, the Routing will check this calling number after the Prefix
checked (see figure 3.)
Check the Prefix Table first
YES
NO
Follow the Default Routing
Follow the Routing you configure
Figure 3.7: The Priority
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