Toshiba CIX 用户手册

Off-hook Call Announce (OCA) enables you to complete a call to a busy digital 
telephone. Your telephone must be programmed to either announce automatically or to 
announce after you press a button on your dial pad. The destination telephone must be 
programmed to accept an OCA. The announcement may be delivered over the handset 
or the speaker.

Handset OCA Announce can operate on any digital telephone. Speaker OCA requires 
the addition of a special circuit board inside the DKT speakerphone.

Manual – Dial an extension. When you hear busy tone, press 

5

 and, after one long 

tone, you can talk through the speaker of the destination telephone. The person you 
are calling has answering options described below. 

Automatic – If your telephone and the extension you are calling have been 
programmed for Automatic OCA, you can talk through the speaker of the 
destination telephone without hearing the busy tone and without dialing 

5

.

To answer a Handset OCA call
While you have a call in progress, you hear one tone in your handset to indicate that a 
second station is calling. 

Press 

Mic

 to toggle between the new and original callers.

You talk to the new caller for as long as you hold down 

Mic

. When you release the 

button, you return to the original caller. In both cases, neither caller can hear the 
other. Your LCD indicates which station or CO line you are connected to. 

This feature is not available on the IPT2010-SD.

1. While you have a handset call in progress and you hear one tone, this indicates that 

a second station is calling. The second caller connects to the speaker in your 
telephone. The Spkr LED flashes and the Mic LED lights. You will be speaking to 
the first caller through your handset and the second caller through the microphone.

2. To turn off your microphone speaker to the second party, you can press 

Mic

 or 

Microphn Cut-off

; the Mic LED turns Off. You will no longer be talking to the 

second caller, although he/she can still speak through your speaker. 

3. Press 

Mic

 or 

Microphn Cut-off

 again to reconnect to the second caller. You can 

toggle as often as you choose. If you do not want the first caller to hear your 
conversation with the second caller, cover the mouthpiece of your handset.