1.2 Making Calls
User Manual 33
To answer while hearing a callback ringing
To cancel (CCBS Cancel)
Sending a Call Waiting Tone (Call Waiting)
You can inform the called party that your call is waiting.
This feature is also known as Busy Station Signalling (BSS).
• If you do not answer within a specified time period, this feature will be cancelled.
• Availability of this feature depends on the ISDN service offered by your telephone
company.
• 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 Receiving Call Waiting (Call Waiting/Off-hook Call Announcement [OHCA]/
Whisper OHCA)".
PT/SLT/PS
Off-hook.
Off-hook.
PT/SLT/PS
On-hook.
4 6
Enter 46.
C.Tone
PT/SLT/PS
Enter
1
.
While hearing a busy tone
1