1.8.4 Second Call Notification to Busy Extension1.8.4.1 Second Call Notification to Busy Extension—SUMMARYDescriptionWhen attempting to call a busy extension (ringing or having a conversation), an extension user can send aCall Waiting indication to the busy extension (Call Waiting). The notification receiving method depends on thecalled extension’s personal setting and the telephone type:Notification Receiving Method Description & ReferenceCall Waiting Tone Sends the Call Waiting tone to the busy extension.® 1.8.4.2 Call Waiting ToneOff-hook Call Announcement(OHCA)Talk with the busy extension using the built-in speaker andmicrophone of the called extension while the existing call ismade using the handset.® 1.8.4.3 Off-hook Call Announcement (OHCA)Whisper OHCA Send a spoken message to a busy extension that will beheard directly by only the called extension user, through thehandset, without interrupting the ongoing conversation.® 1.8.4.4 Whisper OHCAConditions• Each extension user can choose to receive Call Waiting tone, OHCA, Whisper OHCA, or none of these.• OHCA and Whisper OHCA are enabled or disabled by the COS of the calling extension.• OHCA and Whisper OHCA do not work for some telephone types. In such cases, the Call Waiting tone willbe sent to the called extension.CallingExtension’sOHCA COSModeCalled Extension’s Call Waiting ModeOFF ONCancel Call Waiting Tone OHCA Whisper OHCADisable Call WaitingdisabledCall Waiting tone Call Waiting tone Call Waiting toneEnable Call WaitingdisabledCall Waiting tone OHCA(or Call Waitingtone)Whisper OHCA (orCall Waiting tone)• The notification receiving methods (Call Waiting tone, OHCA, and Whisper OHCA) are available only whenthe called extension is having a conversation with another party. If the called party is not yet connectedwith the other party (e.g., still ringing, on hold, etc.), the calling extension will hear a ringback tone and willbe kept waiting until the called extension becomes available to receive the call waiting notification.• If none of these notification receiving methods (Call Waiting tone, OHCA, or Whisper OHCA) are set at thecalled party’s extension, the caller will hear a reorder tone.122 Feature Guide1.8.4 Second Call Notification to Busy Extension
