4-22 Station Features and OperationB 4.3 Station Features and OperationBusy Station Signaling (BSS)You can prompt a busy extension (ringing or during a call) to answer your call. Theother extension hears three beeps and knows that you are waiting.Conditions• BSS / OHCA / Whisper OHCAIf an extension user dials “1” while hearing a busy tone, BSS or OHCA or WhisperOHCA may be activated at the called extension.This is determined by the following conditions.*1: OHCA (Off-Hook Call Announcement) is activated when the called extension is KX-T7130, KX-T7235 or KX-T7436.*2: Whisper OHCA is activated when both calling and called extensions are using one of the KX-T7400 series PT.7230 / 7235 / 7433/ 7436BSSS1 S2 S3Press BSS (S1). Wait for ananswer and talk.If you hear a busy tone after making an intercom call;Any TelephoneDial 1. Wait for ananswer and talk.If you hear a busy tone after making an intercom call;1COS-OHCAassignmentDisableEnableCall Waiting settingOFF ON0 1BSSBSS2BSSOHCA*1→BSS3BSSW-OHCA*2→OHCA→BSSCalled extensionCalling extension
