To send caller to third-party: • Press the “R” and “1” keys simultaneously • Then key in third-party number To send caller to other internal number: • Press the “R” and “1” keys simultaneously • Then key in extension number, for example “367” To receive call back from third-party or internal number: • Press the “R” key and then press the “#” key • After sending a call, conclude your involvement by hanging up the phone.