48 Making calls to multiple parties
Call waiting tone off/on
You can suppress the call waiting tone for external calls.
Deactivating the call waiting tone
c Press and hold down the Talk key.
Open the system menu.
> < [Select the menu item and confirm.
a Press the End call key to end the operation.
Activating the call waiting tone
c Press and hold down the Talk key.
Open the system menu.
> < [Select the menu item and confirm.
a Press the End call key to end the operation.