AASTRA 4187 Plus for BusinessPhone User Guide EN - Manual (Page 15)

15 BusinessPhone – Dialog 4187 Plus
Incoming Calls
To another extension (Call pick-up)
You can answer a call to another extension from any phone in your
office. u z
Lift the handset and call the ringing extension.
You receive busy tone. 6
Press.
Note: The number for answering calls to another extension
may differ from country to country, see table “ Alternative
Programming for Camp-on, Automatic Callback, Call Pick-
up, Intrusion ” on page 69.
Answer a second call
See section “ Call Waiting ” on page 32.
Silent Ringing
This function is useful if you do not want to be disturbed by the
ringing of the telephone.
In idle mode:
É
Press to turn the ringing tone temporarily off.
The Mute key flashes in slow intervals, and the display shows:
If you receive an incoming call when the ringer is off, the display will
toggle between RINGER OFF and INCOMING CALL.
Press any key to turn the ringing tone back on.
SMITH 4711 RINGER OFF
12-05 11:55