General Features
234 Features Guide
• BSS / OHCA / Whisper OHCA
If an extension user dials "1" while hearing a busy tone, BSS or OHCA or Whisper OHCA
may be activated at the called extension.
This is determined by the following conditions.
• Data Line Security
Setting Data Line Security temporarily cancels Call Waiting which has been turned on by
an extension user.
• BSS, OHCA and Whisper OHCA do not function, if the other extension is a DN type PT.
• Distinctive Dial Tone
When this feature is assigned to the extension, the extension user may hear a distinctive dial
tone (dial tone 2) after going off-hook depending on System Programming <Section 2.8
System Option, "15. Special dial tone after setting feature" in the Programming Guide>.
Programming Guide References
• 2.3 Numbering Plan
– Call Waiting Set / Cancel
• 2.4 Class of Service (COS)
– Off-Hook Call Announcement (OHCA)
•2.8SystemOption
– Special dial tone after setting feature
• 4.3 Extension Line
– Call Waiting Tone Type
Calling extension Called extension
COS-OHCA
assignment
Call Waiting setting
OFF ON
01 2 3
Disable ——— BSS BSS BSS
Enable ——— BSS OHCA
*1
BSS
*1
OHCA (Off-Hook Call Announcement) is activated when the called extension is KX-T7130, KX-T7235 or
KX-T7436.
W-OHCA
*2
OHCA BSS
*2
Whisper OHCA is activated when both calling and called extensions are using one of the KX-T7400 series
PTs.
