Panasonic KX-NS300, Features Manual, Page: 165 / 580

2.10.4.3 Off-hook Call Announcement (OHCA)
Description
An extension user can talk with a busy extension through the built-in speaker and microphone of the called
party’s PT. If the existing call is using a handset, a second conversation is made using the speakerphone and
microphone so that the called extension can talk to both parties.
Conditions
•
COS programming determines which extensions can use this feature.
•
This feature is available when the called extension uses one of the following telephones:
–
KX-T7625, KX-T7630, KX-T7633, KX-T7636, KX-DT333, KX-DT343, KX-DT346, KX-DT521,
KX-DT543, KX-DT546
–
KX-T7536
–
KX-T7436
•
The OHCA feature cannot be used in the following cases:
a.
COS or called extension’s telephone type is not available for this feature.
b.
The called extension (DPT) is in the Digital XDP connection.
The Call Waiting tone is sent to the called extension. (
®
2.10.4.2 Call Waiting Tone)
•
While an extension is receiving OHCA, if the extension user places the current trunk call on hold or transfers
the current intercom call or trunk call, OHCA will become disabled and the calling extension will start to
hear a ringback tone.
•
While an extension is receiving OHCA, if the extension user places the current intercom call on hold, the
called extension can talk to the calling extension through the handset.
PC Programming Manual References
10.6.3 PBX Configuration—[2-6-3] System—Numbering Plan—B/NA DND Call Feature
→ BSS / OHCA / Whisper OHCA / DND Override
→ BSS / OHCA / Whisper OHCA / DND Override-2
10.7.1 PBX Configuration—[2-7-1] System—Class of Service—COS Settings—Assistant— OHCA / Whisper
OHCA
Feature Guide References
5.1.1 Class of Service (COS)
User Manual References
1.9.3 Receiving Call Waiting (Call Waiting/Off-hook Call Announcement [OHCA]/Whisper OHCA)
Feature Guide 165
2.10.4 Second Call Notification to Busy Extension