Menu key(Black):
The "Menu" key is accessible only during offline state (even if the terminal is not connected - it is possible to enter the configuration menu without having any network connection).
The screen displays entries such as phone book management, Inbox/Outbox menu, and adjustments menu.
From the "Menu" function:
Phonebook (Blue):
The PhoneBook key allows the user calling a contact directly from his Phone Book (online or offline).
Bis key(Shortcut to the outbox list-blue):
If users press his key (offline) , the outbox lists is displayed. Then calls can be launched from the lists by pressing "OK" key.
Press 
to cancel the call.
"Son" sound privacy key (Blue):
The caller can mute the sound to the other party when pressing the "Son" key.
"Miroir" key (Orange):
When the call is in video mode, presses the "Miroir" key will display user's local image (PIP). The user can also use this key to move up his local image.
In offline state, the mirror images of the users can also be displayed (before calling a distant party) even if the service is not active. The images are usually reversed.
"Transfer/Redial" key :
In online state, press this key to transfer calls to the third party.
In offline state, press 
and then 
for redial purpose.
"Still" key(Orange) :
To freeze the video image of callers so that the other party can have a clearer display.
"Privacy" key (blue):
Stop sending caller's image to the other side so the caller will not be seen by the person you talk to.
BVP 8882 SIP User's Manual 8
