... quality and the super powerful function.With 30 Direct Keys, enable to be connected with 2 DSS with 64 keys.Console Phone Main ... numbers. 3.With one-touch dialing feature for intercom/Outgoing Call, Call Transfer, Call pickup, paging. 4.Function of Key Phone ... content, call information, charge display and extension number; (3) Other function keys and programming keys; “1”—“30” __ programming keys, , ...