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1.7 Busy Line/Busy Party Features
Feature Guide 97
1.7.4 Second Call Notification to Busy Extension
1.7.4.1 Second Call Notification to Busy Extension—SUMMARY
Description
When attempting to call a busy extension (ringing or having a conversation), an extension user
can send call waiting indication to the busy extension (Call Waiting). The notification receiving
method depends on the called extension’s personal setting and the telephone type:
Conditions
• Each extension user can choose to receive Call Waiting tone, OHCA, Whisper OHCA, or
none of these.
• OHCA and Whisper OHCA are enabled or disabled by the COS of the calling extension.
• OHCA and Whisper OHCA do not work for some telephone types. In such cases, the Call
Waiting tone will be sent to the called extension.
• The notification receiving methods (Call Waiting tone, OHCA, and Whisper OHCA) are
available when the called extension is having a conversation with other party. If not, the
calling extension will be kept waiting until the called extension becomes available to
receive the notification. Even while waiting, the calling extension will hear a ringback tone.
• If none of these notification receiving methods, Call Waiting tone, OHCA, or Whisper
OHCA is set at the called party, the caller will hear reorder tone.
Notification
Receiving Method
Description Details in
Call Waiting Tone Sends the Call Waiting tone to the busy
extension.
• 1.7.4.2 Call
Waiting Tone
Off-hook Call
Announcement
(OHCA)
Talk with the busy extension using the built-in
speaker and microphone of the called extension
while the existing call is made using the handset.
• 1.7.4.3 Off-
hook Call
Announcement
(OHCA)
Whisper OHCA Give a message to the busy extension through
the handset.
• 1.7.4.4
Whisper OHCA
Calling
Extension’s
OHCA COS
Mode
Called Extension’s Call Waiting Mode
OFF ON
Cancel Call Waiting Tone OHCA Whisper OHCA
Disable Call Waiting
disabled
Call Waiting tone Call Waiting
tone
Call Waiting tone
Enable Call Waiting
disabled
Call Waiting tone OHCA
(or Call Waiting
tone)
Whisper OHCA
(or Call Waiting
tone)