answer the second call by disconnecting the current call or placing it on hold using EFA. For details, consultyour telephone company.Call Waiting Caller ID (Visual Caller ID):When using the call waiting tone supplied by the telephone company over analog lines, the caller’stelephone number and name can be received. Either the name or the number will flash on the display forfive seconds, followed by a 10-second pause, then flash again for five seconds.Note that the received caller information will not be displayed on telephones or wireless phones connectedto SLT ports.• OHCA and Whisper OHCA are enabled or disabled by the Class of Service (COS) of the calling extension.• OHCA and Whisper OHCA are not compatible with some telephone types. In such cases, a Call Waitingtone will be sent to the called extension.OHCA Mode ofCallingExtension’s COSCalled Extension’s Call Waiting ModeOFFONCall WaitingTone OHCA Whisper OHCADisable Call WaitingdisabledCall Waiting tone Call Waiting tone Call Waiting toneEnable Call WaitingdisabledCall Waiting tone OHCA (or CallWaiting tone)Whisper OHCA (orCall Waiting tone)• The notification receiving methods (call waiting tone, OHCA, and Whisper OHCA) are available when thecalled extension is having a conversation with another party. If the extension is not having a conversationbut is unavailable to receive the notification (dialing a number, for example), the calling extension will bekept waiting until the called extension becomes available. Even while waiting, the calling extension willhear a ringback tone.• If none of these methods of receiving notification (call waiting tone, OHCA, or Whisper OHCA) are set atthe called party, the caller will hear a reorder tone after trying to send a call waiting notification.PC Programming Manual References3.10 [1-1] Slot—Card Property - LCO type— Caller ID—Caller ID Signaling4.8 [2-6-1] Numbering Plan—Main—Features→ Manual Call Waiting for Extension Call→ Automatic Call Waiting4.10 [2-6-3] Numbering Plan—B/NA DND Call Feature→ BSS / OHCA / Whisper OHCA / DND Override→ BSS / OHCA / Whisper OHCA / DND Override-24.17 [2-9] System Options—Option 5— Call Waiting—Automatic Call Waiting for Extension Call6.1 [4-1-1] Wired Extension—Extension Settings→Option 2— Manual C. Waiting for Extension Call→Option 2— Automatic C. Waiting→Option 4— Call Waiting Tone Type6.10 [4-2-1] Portable Station—Extension Settings→Option 2— Manual C. Waiting for Extension Call→Option 2— Automatic C. Waiting→Option 4— Call Waiting Tone TypeFeature Manual References3.1.3 Call Log, IncomingDocument Version 2010-11 Feature Manual 493.1.9 CALL WAITING FEATURES
