BT BIG Button + - Manual (Page 18)

BIG Button + ~ 4th Edition ~ 15th April ’02 ~ 4380
17
To receive a call
When the phone rings the call indicator light will
also flash to indicate that there is an incoming
call. Simply pick up the handset and speak.
To switch secrecy on and off
During a call, press and release the SECRECY
button.
The Secrecy light will come on to show that
secrecy is on.
You can now talk to someone in the room
without your caller hearing you.
Press and release the SECRECY button again to
return to your caller.
Secrecy
When on a call you can talk to someone in the same room
without your caller hearing.