1- i want ask about eavesdrop on calls any step and eavesdrop on internal or external calling ?
2-i want to ask about step that can any number for ability the don't distribute that press 2 to can it i want to delete 2 and directly calling
3- i want ask for step busy over deny what do you mean
when i press program and then press the Buttons of co lines and then scroll down find options :call log,check in ,check out ,clear,system alarm,and another options iwant explain to each option
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