1.2 Making Calls

To answer while hearing a callback ringing

PT/SLT/PS

Off-hook.

To cancel (CCBS Cancel)

PT/SLT/PS

 

4

6

C.Tone

 

 

 

Off-hook.

Enter

46.

On-hook.

• 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

While hearing a busy tone

1

Enter 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 "1.7.3 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 Section "3.1.2 Settings on the Programming Mode".

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User Manual

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Panasonic KX-TDA15 user manual Sending a Call Waiting Notification Call Waiting, To answer while hearing a callback ringing