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To answer while hearing a callback ringing
PT/SLT/PS
Off-hook.
To cancel (CCBS Cancel)
Off-hook.
PT/SLT/PS
On-hook.
4 6
Enter 46.
C.Tone
• If you do not answer within a specified time period, this feature will be cancelled.
• Availability of this feature depends on the ISDN service of your telephone company.
Sending a Call Waiting Notification (Call Waiting)
You can inform the called party that your call is waiting.
This feature is also known as Busy Station Signalling (BSS).
PT/SLT/PS
Enter 1.
While hearing a busy tone
1
• Depending
on the type of the other party’s telephone, you may be able to talk to the other
party using the speaker and the microphone (Off-hook Call Announcement [OHCA]), or you
can send a call announcement through the handset (Whisper OHCA), if they are having
another conversation using the handset.
Refer to "1.8.3 Receiving Call Waiting (Call Waiting/Off-hook Call Announcement [OHCA]/
Whisper OHCA)".
• Depending on system programming and the called extension’s setting, a call waiting tone
may be sent automatically without performing the operation above. For details, refer to
"Automatic Call Waiting" in "3.1.2 Settings on the Programming Mode".
User Manual 43
1.2.4 When the Dialled Line is Busy or There is No Answer