Sony Ericsson Dialog 4223 - Manual (Page 13)

13 BusinessPhone – Dialog 4223 Professional / Dialog 3213
Description
Lamp indications
The key lamps on your telephone indicate with different signals the
traffic state of the ongoing call or function.
Ô
Extinguished lamp The function is not active.
Х Ф
Steady light The function is active.
Ц Ф
Slowly flashing lamp The line (or function) is put on hold.
Ц Ф
Rapidly flashing lamp An incoming call or message waiting.
Х Ф
Light with short breaks Ongoing call.