FLASH
Use the FLASH button to activate custom calling services such as call waiting or call transfer, which are available through your local phone company.
IMPORTANT: Don't use the TALK button to activate custom calling services such as call waiting, or you’ll hang up the phone.
MUTE
Use the MUTE button to interrupt a phone conversation to talk privately with someone else in the room.
1.Press and hold MUTE to activate the Mute feature.
2.Release MUTE to turn it off.
VOLUME
To change the volume, press VOLUME up or down while you’re talking on the phone.
IN USE
LOW 
TALK VOLUME
1 | 2 | 3 | VOLUME |
| ABC | DEF | buttons |
4 | 5 | 6 |
|
GHI | JKL | MNO |
|
7 | 8 | 9 |
|
PQRS | TUV | WXYZ |
|
*TONE | 0 | # |
|
OPER |
| ||
RE/PA | MEM |
| |
MUTE |
| FLASH |
|
RINGER |
|
| |
OFF |
| ON |
|
MUTE button |
|
| FLASH button |
9