Feature Manual References
3.1.19 COS (Class of Service)
Operating Manual References
1.3.11 Call Transfer
1.3.49 PDN (Primary Directory Number)/SDN (Secondary Directory Number) Extension (KX-TDA100/
KX-TDA200/KX-TDA600 only)
3.1.9 CALL WAITING FEATURES
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.
Call Type
Notification Method
DPT IP-PT Other Telephone
Intercom Call Call Waiting tone/
OHCA/Whisper OHCA/
Off
Call Waiting tone/
Whisper OHCA/Off
Call Waiting tone/Off
CO Line Call*1 Call Waiting tone/Off
*1 Including a doorphone call, call via an incoming call distribution group, and a CO line call transferred from another extension.
Call Waiting is also known as Busy Station Signaling (BSS).
Conditions
Automatic Call Waiting
Through system programming, it is possible to select whether a call waiting tone is automatically sent to
the extension when receiving CO line calls, doorphone calls, external sensor calls and hold-recall calls.
Through system programming, it is also possible to select whether extensions will receive Automatic Call
Waiting from intercom calls.
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. (® 4.1.1 Data Line Security)
Caller Information
With the Call Waiting tone, the caller’s information flashes on the display for five seconds, followed by a
10-second pause, then flashes again for five seconds.
Call Waiting from the Telephone Company
Besides the Call Waiting service within the PBX, the Call Waiting tone offered by an analog line from the
telephone company informs the extension user of another incoming CO line call that is waiting. He can
Document Version 2008-11 Feature Manual 49
3.1.9 CALL WAITING FEATURES