USING REDIAL
You can quickly dial the last number di- aled. When you heard a dial tone, press REDIAL on the corded phone, or on the infrared remote dial card if you want to use the headset for dialing. 
USING FLASH
Flash performs the switchhook opera- tion for special services, such as Call Waiting.
REDIAL
Note: The base corded phone and the headset record their own last number di- aled. You cannot redial the last number recorded in the corded base phone by using the headset.
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FLASH
For example, if you have Call Waiting, press FLASH on the headset, PHONE/ FLASH on the remote dial card or the switchhook on the base to take an in- coming call without disconnecting the current call. Press FLASH, PHONE/ FLASH or the switchhook again to return to the first call.
Note: If you do not have special phone services, pressing FLASH (PHONE/ FLASH on the remote dial card or the switchhook on the base) might discon- nect the current call.