IBM Telephone 412 Manual Do Utilizador

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1. To activate the DND function, press the [DND] key. 
2. To cancel DND, press the [DND] key again.  

 

A line in use will always maintain privacy unless you cancel it to allow other phones in the system to join 

your call. Line Privacy is active by default to ensure conversation privacy. 

1. To cancel Line Privacy: While speaking, press the [LINE] key that the call is on. You will hear a 

short ring indicating that you have released Line Privacy. Line Privacy is automatically restored 

when the call is terminated. 

2. To restore Line Privacy during a call, press the [LINE] key again. You will hear a double ring con-

firming Line Privacy has been reactivated. 

 

You have the ability to transfer an outside call to any extension within your phone system. 

1. Press the [TRNSFR] key during your conversation. 
2. Dial the desired extension number or press one of the Direct Station Select (DSS) keys. 
3. A single ring will be heard if the call is successfully transferred. A double ring will be heard if the 

call has not transferred. 

4. Any station can pick up the transferred call. 
5. The Call Transfer mode will automatically cancel after 10 seconds if no transfer number is dialed. 

 

There are a total of 24 memory locations located in two groups, in which you can store your Speed 

Dial numbers. Each memory location can store up to 24 digits, including PAUSE, FLASH, PULSE and 

TONE. 
Storing Numbers into the First Speed Dial Group 

1. Press the [STORE] key. 
2. Enter the number to be stored including “1” if the call is long distance. 
3. Press the corresponding Speed Dial key. A short ring will be heard to signal successful program-

ming. 

1. Press the [STORE] key. 
2. Enter the number to be stored including “1” if the call is long distance.