GE 21115 用户手册

3.  If the Caller ID Type 2.5 functions are turned on, the display shows:

1. If you don’t press any buttons for 15 seconds, the icons on the bottom 

row of the display show for 15 seconds. When icons disappear, the 

functions are disabled.

2. When the Type 2.5 function is ON, only TALK, FLASH, and the 

corresponding button are functional. The other buttons are disabled 

and will generate a warning beep if you press them.

3. Caller ID Type 2.5 works on both handsets and the base unit.

1.  Make sure Caller ID Type 2.5 is ON. 
If you receive CID information while you are on the line, the display shows:

2.  Press the INFO/BUSY button to send a busy signal to the central office. The 

display shows the following messages for 3 seconds.

The unit does not display any dial out information. Instead, it shows:

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