Panasonic KX-TD500CE Features Manual page 213

• BSS / OHCA / Whisper OHCA
If an extension user dials "2" 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.
Calling extension
COS-OHCA
assignment
Disable
Enable
OHCA (Off-Hook Call Announcement) is activated when the called extension is KX-T7130, KX-T7235 or KX-
*1
T7536. In some countries, KX-T7235 is not available to receive an OHCA call.
Whisper OHCA is activated when both calling and called extensions are using one of the KX-T7500 series PT.
*2
• 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 at a DN type PT.
• "Call Waiting" does not function, when only one PDN button is assigned on a DN type PT.
Programming Guide References
• 2.3 Numbering Plan
– Call Waiting Set / Cancel
• 2.4 Class of Service (COS)
– Off-Hook Call Announcement (OHCA)
• 4.3 Extension Line
– Call Waiting Tone Type
Features Guide References
1.6 Originating Features
• Busy Station Signalling (BSS)
• Off-Hook Call Announcement (OHCA)
• Off-Hook Call Announcement (OHCA), Whisper
1.12 Conversation Features
• Data Line Security
Features Guide
Call Waiting setting
OFF
0 1
——— BSS
——— BSS
Called extension
ON
2
BSS
OHCA BSS
*1
1.9 Answering Features
3
BSS
W-OHCA
*2
OHCA BSS
213