Ericsson T18s User Manual page 16

16 Making and Receiving Calls
CIPHERING
Ciphering is a built-in feature that scrambles your calls and messages to pro-
vide additional privacy.
An exclamation (!) mark, shown next to the handset icon in the display during
a call, indicates that ciphering is currently not being provided by the network.
VOICE DIALLING AND ANSWERING
The phone allows you to make and answer calls using your voice
Refer to "Voice Recognition" on page 67 for more details.