Using the display and operating elements
Signals
Indicator LED signals
Depending on the situation the indicator LEDs either flash or remain steadily lit.
LED
State
Flashes fast
Flashes slowly
Lit
Note:
For an explanation of the indicator LED on expansion module Aastra M535, see chapter
"Using the Aastra M535 expansion key
34
Description
Incoming call
Appointment call
• New voice message or new text message
• Callback
module", page 28.
Aastra 5380/Aastra 5380ip
eud-1282/1.3 – R3.0 – 04.2013