1.7 Setting the Telephone According to Your Needs98 User Manual1.7.3 Receiving Call Waiting (Call Waiting/Off-hook CallAnnouncement [OHCA]/Whisper OHCA)During a conversation, you can be informed of a call waiting with a tone or voice announcementthrough your built-in speaker or handset. (Default: Disable—No call [Intercom calls]/No tone [Outsidecalls])Call Waiting Tone:a waiting tone through the built-in speaker of PT/handset of SLT. To change the tone from PT,refer to "3.1.2 Settings on the Programming Mode".OHCA:a voice announcement through the built-in speakerWhisper OHCA:a voice announcement through the handsetTo set/cancel for intercom callsTo set/cancel for outside calls• OHCA and Whisper OHCA can be activated only on certain digital proprietary telephones.In addition, Whisper OHCA requires that both you and the other party are using supportedtelephones. For more details, consult your dealer.Off-hook.Enter 0 to 3 as you desire.On-hook.Enter 731.PT/SLT/PS No callToneOHCAWhisper OHCA01OR2OR3OR3 17 C.ToneOff-hook.Enter 0 or 1.On-hook.PT/SLT/PSEnter 732.3 27 C.ToneNo toneToneOR01