4-136 DPT Features
W 4.2 DPT Features
Conditions
•
Class of Service programming determines which extensions can perform Whisper OHCA.
• The Whisper OHCA receiving extension display shows the calling extension’s number
or name for 5 seconds in 10 second intervals.
• You can select to receive a Call Waiting tone, OHCA, Whisper OHCA or none of
these at your extension.
• If the Whisper OHCA sender does not use a KX-T7400 series telephone, it will work as
OHCA. If the receiver does not use a KX-T7400 series telephone, it may not work
properly. (E.g. The announcement may be heard by the other party.)
• The receiving mode may shift depending on the settings on each telephone or the
telephone type.
<Example> If the user selects 3 (Whisper OHCA mode);
– If using a KX-T7436 handset ............................Whisper OHCA
– If using a KX-T7436 SP-PHONE......................Call Waiting
– Other...................................................................Call Waiting
• The Whisper OHCA sender will receive a ringback tone in the following cases.
– If the receiver presses the TRANSFER, CONF, SP-PHONE, DSS or CO button.
– If the party who is talking with the receiver disconnects the line or presses the
TRANSFER, CONF or HOLD button.
Programming References
• System Programming — Installation Manual
[509] Off-Hook Call Announcement (OHCA)
Feature References
Busy Station Signaling (BSS)
Call Waiting
Off-Hook Call Announcement (OHCA)
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