Panasonic KX-T336 System Reference Manual page 359

5.05 Intercom Off-Hook Call
Announcement (OHCA)
Description
When the called extension is busy talking on a
DN or CO button, and the ICM 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 under the following conditions:
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The ICM buttons on both the calling
extension' s telephone and the called
extension' s telephone are idle.
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The called extension' s telephone is PITS
KX-T1232300, KX-T123235 or KX-l7130.
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The called extension' s handset is off the .
hook.
To activate this function, install T-SW OHCA card
(KX-T336105) in the Basic Slot 02, and OHCA
card (KX-T96136) on the PLC or HLC card.
Refer to Section 2-C-3.02 "T-SW OHCA Card
(KX-T336105)" and Section 2-C-3.03 ' OHCA
Card (KX-T96136)' for further information.
In the system programming, assign ' System-
Class of Service (l/2)", BSS/OHCA to "Yes" at
calling extension, and assign
' Extension-Station
(l/3)", OHCA Circuit to "Yes" at the called
extension.
Programming
.)
System Programming
Reference
-L_ L_.
VT 1
Dumb
1 I
' System-Class of Service (l/2)", 9-D-4.01 10-C-7.00
SSS/OHCA
' Extension-Station (l/3)",
9-G-l .Ol 1 o-c-22.00
OHCA Circuit
Conditions
OHCA does not work if the called extension is
under one of the following conditions:
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The ICM button is not idle.
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Talking in the speaker phone mode.
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"System-Class of Service", BSSOHCA
Deny is set to "' Yes."
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"System-Class of Service", Call
Forwarding/Do Not Disturb is set to "Yes."
Operation
Executing OHCA
1. Lift the handset or press the SP-
PHONE button.
2. Press the ICM button.
3. Dial the intercom number of the
extension. .
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When the extension is off-
hook, you hear confirmation
tone 3.
q
4. Talk to the other party.
L
A-
4-C-21