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1.1 Incoming Call Features
38 Feature Guide
1.1.3.3 Call Waiting
Description
Used to inform a busy extension that another incoming call is waiting. The busy extension user
can answer the second call by disconnecting the current call or placing it on hold.
The following notification method can be assigned for each extension depending on the call
waiting and the telephone type:
a) Call Waiting Tone: Tone from the handset or built-in speaker
b) OHCA: Voice from the built-in speaker
c) Whisper OHCA: Voice from the handset
d) Off: No notification.
This feature is also known as Busy Station Signalling (BSS).
Conditions
• Call Waiting call for an extension in a VM group (DPT/DTMF) is not available.
• Data Line Security
Setting Data Line Security cancels the Call Waiting setting. ( 1.10.5 Data Line Security)
• Call Waiting Tone
A PT user can hear different Call Waiting tones for trunk call and intercom call if "Tone 2"
has been selected through personal programming (Call Waiting Tone Type Selection). If
"Tone 1" has been selected, the same Call Waiting tone will be heard for both trunk call
and intercom call.
All Call Waiting tone patterns have a default ( 4.2.1 Tones/Ring Tones).
• Caller Information
With the Call Waiting tone, the caller’s information flashes on the display for five seconds
at 15-second intervals.
• Call Waiting from the Telephone Company
Besides the Call Waiting service within the PBX, the Call Waiting tone offered by an
analogue line from your telephone company informs the extension user of another
incoming trunk call that is waiting. He can answer the second call by disconnecting the
current call or placing it on hold. For details, consult your telephone company.
Call Waiting Caller ID (Visual Caller ID) (KX-TDA30/KX-TDA100/KX-TDA200 only):
With the Call Waiting tone offered by an analogue line from the telephone company, the
Caller ID number can be received and flash on the display twice for five seconds at 15-
second intervals.
Call Type
Notification Method
DPT Other Telephone
Intercom Call Call Waiting tone/OHCA/
Whisper OHCA/Off
Call Waiting tone/Off
Trunk Call* Call Waiting tone/Off
*: Including a doorphone call, call via an incoming call distribution group, and a transferred
trunk call from another extension.