Intex U-AA Power User Manual page 39

To make this function available, please contact local network
operator.
—Call divert
Call divert is a network function. With this function, an incoming
can be diverted to another phone number or voice mailbox,
avoiding missing it.
There are several diverts available: Divert all voice calls, Divert if
unreachable, Divert if no answer, Divert if busy, Divert all data
calls, and Cancel all (diverts).
—Call barring
If the network supports, this function will enable you to restrict
the incoming or outgoing calls.
—Call Firewall
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