haier D1200P - Manual (Page 50)

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3.5.3 Any key answer
3.5.4 Auto redial
3.5.5 Voice privacy
3.5.6 International call prefix
3.5.7 Show call time
If it is set to on, it allows you to answer an incoming call by briefly pressing any
key except the Power key and Volume side key.
If it is set to on, it allows you to automatically redial the number if the first
attempt was unsuccessful.
Voice Privacy is a network service. If your wireless service provider supports this
feature, the voice privacy feature protects the privacy of your current phone
conversation from other callers placing phone calls on your same network. By
default Voice Privacy is set on Standard Mode.
By using this function, you can set the local international dialling prefix code
If you set the prefix code by hand, when dial a number with prefix code '+', '+'
will automatically change into code you input.
This function includes 'Hide' and 'Show' options. If it can be set to 'Show', the
phone displays the duration of the current call.