1.1 Incoming Call Features
1.1.3.3Call 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
b)OHCA: Voice from the
c)Whisper OHCA: Voice from the handset
d)Off: No notification.
Call Type | Notification Method | ||
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DPT | Other Telephone | ||
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Intercom Call | Call Waiting tone/OHCA/ | Call Waiting tone/Off | |
| Whisper OHCA/Off |
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Trunk Call* | Call Waiting tone/Off |
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*: Including a doorphone call, call via an incoming call distribution group, and a transferred trunk call from another extension.
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
•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)
38
