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1.7 Busy Line/Busy Party Features
Feature Guide 101
1.7.4.4 Whisper OHCA
Description
An extension user can give a message to a busy extension through the handset.
Conditions
• COS programming determines which extensions can use this feature.
• This feature is available when the calling and called extension use one of the following
telephones:
• If the Whisper OHCA feature cannot be used due to COS or telephone type, the Call
Waiting tone will be sent to the called extension. ( 1.7.4.2 Call Waiting Tone)
• If the called extension does not use a KX-T7600, KX-T7500, or KX-T7400 series
telephone but forces Whisper OHCA, the announcement may be heard by the other party.
• It is possible to enable Whisper OHCA on any telephone. However, it may not work
properly. (e.g., The voice may be heard by the other party.)
• While an extension is receiving Whisper OHCA, if the extension user places the current
trunk call on hold or transfers the current intercom call or trunk call, the Whisper OHCA
will become disabled and the calling extension will start to hear a ringback tone.
• While an extension is receiving Whisper OHCA, if the extension user places the current
intercom call on hold, the called extension can talk to the calling extension through the
handset.
– KX-T7600 series
– KX-T7500 series
– KX-T7400 series (except KX-T7451)