Whisper OHCA:a voice announcement through the handsetTo set/cancel for intercom calls (Manual Call Waiting)Off-hook.Enter 0 to 3 as you desire.On-hook.Enter 731.PT/SLT/PS/SIP Extn./S-PS No callToneOHCAWhisper OHCA01OR2OR3OR3 17 C.ToneTo set/cancel for outside calls (Automatic Call Waiting)PT/SLT/PS/SIP Extn./S-PSOff-hook.Enter 0 or 1.On-hook.Enter 732.3 27 C.ToneNo toneToneOR01• OHCA is only available with certain digital proprietary telephones.• Whisper OHCA is only available with certain digital proprietary telephones and IPproprietary telephones. In addition, both you and the other party must use supportedtelephones.1.9.4 Displaying Your Telephone Number on the Called Party andCaller’s Telephone (Calling/Connected Line IdentificationPresentation [CLIP/COLP])CLIP:When making an outside call, you can present your preprogrammed telephone number to the called party.COLP:When receiving an outside call, you can present your preprogrammed telephone number to the calling party.You can select the telephone number sent, either the number of the line used or the number assigned toyour extension.If you select "Public", the calling/called party sees the number of the line used (subscriber’s number).If you select "Your extension", they see the telephone number assigned on your extension.1.9.4 Displaying Your Telephone Number on the Called Party and Caller’s Telephone (Calling/Connected LineIdentification Presentation [CLIP/COLP])Operating Manual 185