3.04 Off-Hook Call Announcement
(OHCA)
Description
When the called PITS extension is busy talking
on a DN or CO button, and the OHCA button is
idle, OHCA allows the calling extension user to
inform the called party that another call is waiting,
through the built-in speaker of the called party’s
PITS telephone.
OHCA works when the called PITS extension is
under the following conditions:
• The called extension's telephone is PITS
KX-T123230D, KX-T123235, KX-T7130 or
KX-T7235.
• The called extension's handset is off the
hook.
APITS and DPITS
• Basic shelf, expansion shelf 1, 2 have
fifteen OHCA path which are connected
each other.
APITS
• To activate this function by PLC or HLC
card, OHCA card (KX-T96136) is needed.
DPITS
• To activate this function, TSW Digital OHCA
card is needed.
DLC and DHLC card with DPITS
• A DLC card allows 8 DPITS telephones can
be called with the OHCA feature at the
same time.
DHLC card with APITS
• A DHLC card allows one APITS telephone
can be called with the OHCA feature at the
same time.
In the system programming, assign “System-
Class of Service (1/3)”, BSS/OHCA to “Yes” at
calling extension, assign “Extension-Station
(1/3)”, OHCA Circuit to “Yes” at the called
extension and assign “OHCA Button” at the
called extension.
Programming
Conditions
OHCA does not work if the called PITS extension
is under one of the following conditions:
• The OHCA button is not idle
• Talking in the speaker phone mode
• Setting BSS/OHCA Deny
• Setting Do Not Disturb
• Using headset
Operation
Executing OHCA
1. Lift the handset.
• You hear dial tone 1, 3, or 4.
2. Dial the directory number of the
other extension.
• You hear busy tone.
3. Dial “ 2 ”.
• When the extension is off-
hook, you hear confirmation
tone 3.
4. Talk to the other party.
5-A-13
System Programming
Reference
VT
Dumb
“System-Class of Service (1/3)”,
BSS/OHCA
“Extension-Station (1/4)”,
OHCA Circuit
“Extension-Station (2/4, 3/4)”,
DN key Type
11-C-7.00
11-C-24.00
11-C-26.00
10-D-4.01
10-G-1.01
10-G-1.02
10-G-1.03
Содержание KX-TD500
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