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Appendix B
LED Summary
B.1 Call Appearance Buttons
The LEDs on the call appearance buttons can be off or can show red, green, or orange. Figure B-1
shows what the LEDs show for various phases of a call. The figure shows where you can find
more details about that state.
Figure B-1 displays four columns for each function. Each column represents one fourth of the
total duty cycle for LED color pattern generated by the function. The total duty pattern for each
function is one second. In this figure:
• ‘—’ indicates the LED is off for a quarter second
• ‘R’ indicates the LED is red for a quarter second
• ‘G’ indicates the LED is green for a quarter second
• ‘O’ indicates the LED is orange for a quarter second
For example, when the call is connected, the LED is continuously lit green (green for each quarter
second). When the call is on hold, the LED is green for half a second then off for half a second.
Function LED Color Details
Idle ————Section 5.4.1 on page 40
Call appearance reserved G ———Section 6.2.1 on page 46
Call appearance for dialling G—G—Section 6.2.1 on page 46
Call proceeding GGG—Section 6.3.1 on page 53
Far end busy GGGRSection 6.3.3 on page 54
Network busy GRGRSection 6.3.4 on page 55
Encryption rejected G R G R Section 7.4.2.1 on page 74
Call connected GGGGSection 6.3.5 on page 55
Call on hold G G — — Section 6.5.3 on page 60
Far end disconnected RRRRSection 6.6.2 on page 64
Incoming call R — R — Section 6.4 on page 56
Conference OOOOSection 6.8.1 on page 66
Conference on hold O O — — Section 6.8.2 on page 67
Figure B-1 Summary of LEDs on Call Appearance Buttons
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