1.7 Setting the Telephone According to Your Needs100 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 announcement throughyour built-in speaker or handset. (Default: Disable—No call [Intercom calls]/No tone [Outside calls])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 is only available with certain digital proprietary telephones. For more details, consultyour dealer.• Whisper OHCA is only available with certain digital proprietary telephones and IP proprietarytelephones. In addition, both you and the other party must use supported telephones. Formore details, consult your dealer.Off-hook.Enter0 to3 as you desire.On-hook.Enter731.PT/SLT/PS No callToneOHCAWhisper OHCA01OR2OR3OR3 17 C.ToneOff-hook.Enter0 or1.On-hook.PT/SLT/PSEnter732.3 27 C.ToneNo toneToneOR01