User's Manual

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The original password shall be input to change the barring password.
Line switching
Alternating line 1 and line 2 is available.
Blacklist
Mode: enable/disable blacklist.
Blacklist number: the contacts in the blacklist cannot get through when
they call you. And you don't have any record on your phone. Use it with
caution.
Advance settings
Advance settings function contains Auto redial, Auto call recording,