![](https://pdfstore-manualsonline.prod.a.ki/pdfasset/4/fc/4fc97c51-985a-4652-87f8-1bd6647d9778/4fc97c51-985a-4652-87f8-1bd6647d9778-bg21.png)
1.2 Making Calls
User Manual 33
Call Waiting
You can inform the called party that your call is waiting.
This feature is also known as Busy Station Signaling (BSS).
Message Waiting
For a caller
To leave a message waiting indication
• Depending on the other party's telephone, the "Off-hook Call Announcement (OHCA)" and
the "Whisper OHCA" features can be used. You can talk to the other party through the
speaker and the microphone (OHCA) or you only send a call announcement through the
handset (Whisper OHCA), if they are having another conversation using the handset.
Refer to "1.7.3 Call Waiting/Off-hook Call Announcement (OHCA)/Whisper OHCA". For
telephones capable of using the OHCA and Whisper OHCA features, consult your dealer.
For a caller
When the called extension is busy or does not answer your call, you
can leave a notification so that the called party may call you back.
For a called extension
As a message receiver, the Message button light or Message/
Ringer Lamp lets you know that a call has been received. If you
receive notification, you can call back the caller by a simple
operation.
PT/SLT/PS
Enter
1
.
1
While hearing a busy tone
PT/SLT/PS
Press MESSAGE
or enter 4.
On-hook.
When the called extension is busy or does not answer
OR
4
MESSAGE
C.Tone