Panasonic KX-TD816CE User Manual Addendum page 35

3.2 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 or KX-T7500 series telephone, it will
work as OHCA. If the receiver does not use a KX-T7400 or KX-T7500 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-T7536 handset ............................Whisper OHCA
– If using a KX-T7536 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.
• It is possible to enable the Whisper OHCA by any telephone by system programming.
However, it may not work properly. (E.g. the announcement may be heard by the other party.)
Programming References
• System Programming — Added and Changed Features for Installation Manual and
[509] Off-Hook Call Announcement (OHCA)
[990] Additional Information, Field (45)
Feature References
Busy Station Signaling (BSS) – User Manual
Call Waiting – User Manual
Off-Hook Call Announcement (OHCA) – in this manual
Programming Tables Vol. 4
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