... for intercom/Outgoing Call, Call Transfer, Call pickup, paging. 4.Function of Key Phone-Hand-free, Redial, Conference, Hold, Memory, ... : Date and time, incoming call ID, conversation time, program content, call information, charge display and extension number; (3) Other function keys ... programming keys, ,can also be programmed as extension keys and function keys; “31” __ PAGE UP”- for forwarding to ...