IP Phone User Manual

1.7 Busy Line/Busy Party Features

100 Feature Guide

1.7.4.3 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:

• If the KX-T7235G/FR/SL/NE are connected to the PBX, the OHCA feature for the

KX-T7235 should be disabled through system programming.

• The OHCA feature cannot be used in the following cases:

The Call Waiting tone is sent to the called extension. ( 1.7.4.2 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.

– KX-T7625, KX-T7630, KX-T7633, KX-T7636

–KX-T7536

–KX-T7436

– KX-T7235 (except KX-T7235G/FR/SL/NE)

(a) COS or called extension's telephone type is not available for this feature.

(b) The called extension (DPT) is connected to a PC (PC Console or PC Phone)

via the USB Module.