1.1 General FeaturesFeatures Guide 193Off-Hook Call Announcement (OHCA)DescriptionOHCA allows you to inform a busy extension that another call is waiting by talking throughthe built-in speaker of the called party's digital proprietary telephone. If the existing call isusing the handset, the second conversation is made with the speakerphone so that the calledparty can talk to 2 parties independently. OHCA is performed the same way as Busy StationSignalling (BSS) or Whisper OHCA. It depends on the telephone type used by the called partywhether Call Waiting, OHCA or Whisper OHCA is activated by the operation. If the calledtelephone is the following, OHCA becomes active: KX-T7436 and KX-T7235.Conditions• Class of Service programming determines which extensions can perform this feature.• If none of 3 features, Call Waiting, OHCA or Whisper OHCA, is set at the called party, thecaller will hear a reorder tone.Programming Guide References• [100] Flexible Numbering• [519] Off-Hook Call Announcement (OHCA)Features Guide References• Busy Station Signalling (BSS)• Call Waiting• Whisper OHCAUser Manual References• 2.7.3 Receiving a Call Waiting (Call Waiting/Off-Hook Call Announcement [OHCA]/Whisper OHCA)• 2.4.7 Answering a Call Waiting
