3-34 Features
C 3 Features
Call Waiting
Description During a conversation, a call waiting tone notifies the user that
another incoming call is waiting. They can answer the second call
by disconnecting or placing the current call on hold. The call
waiting tone can be activated or deactivated by dialing the
appropriate feature number.
Conditions • A call waiting tone is generated when an outside call is received, or
when an extension caller executes Busy Station Signaling, or when a
doorphone call is received, if Call Waiting is enabled.
• Setting Data Line Security temporarily cancels Call Waiting which has
been turned on by an extension user.
• For proprietary telephone users, two types of call waiting tones (Tone 1
and Tone 2) are provided for an incoming outside call and intercom call.
A proprietary telephone user can select the desired type by station
programming. As for a doorphone call, Tone 1 is used as a call waiting
tone (not changeable).
• Tone 2 depends on the assignment in program [423] “Outside (CO) Line
Ringing Pattern Selection” for outside (CO) lines and program [115]
“Extension Ringing Pattern Selection” for intercom calls.
Programming References
Section 4, System Programming
[115] Extension Ringing Pattern Selection
[423] Outside (CO) Line Ringing Pattern Selection
[968] Incoming Lamp Control
Station Programming . . . . . . . . . User Manual
Call Waiting Tone Type Assignment
Feature References
Section 3, Features
Busy Station Signaling (BSS) Data Line Security
Operation Reference Telephone Features
— User Manual Call Waiting
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