... 3.With one-touch dialing feature for intercom/Outgoing Call, Call Transfer, Call pickup, paging. 4.Function of Key Phone-Hand- ... , and disconnect outside line, save and check 50 incoming call numbers. When connected with Key Phone, can monitor all ... and 16 digits, including: Date and time, incoming call ID, conversation time, program content, call information, charge display and extension number; (3) ...