5-58 Standard Telephone FeaturesO 5.2 Standard Telephone FeaturesOff-Hook Call Announcement (OHCA)Allows you to signal a busy extension that your call is waiting. Your voice is receivedthrough the built-in speaker of the called party’s telephone (KX-T7436 and KX-T7235only). The called KX-T7436 or KX-T7235 user can connect to the two parties and carrytwo independent conversations using the handset.ExecutingIf you make an intercom call and hear a busy tone;1. Dial 1.• You can talk after you hear a confirmation tone.Conditions• OHCA is performed the same way as the “Busy Station Signaling (BSS)” feature. TheKX-T7436 or KX-T7235 user can select to use the BSS feature instead of the OHCAfeature by System Programming.• This feature is only effective to extensions that have set the “Call Waiting” feature. Ifthis is not set, the caller will hear a reorder tone.• If the “Do Not Disturb (DND)” feature is set at the called extension, you must activatethe “Do Not Disturb (DND) Override” feature before OHCA is available.Feature ReferencesBusy Station Signaling (BSS)Call Waiting1