ATCOM TECHNOLOGY CO., LIMITED
ATCOM TECHNOLOGY CO., LIMITED
A20/A21/A20W/A21W IP Phone User Manual
A20/A21/A20W/A21W IP Phone User Manual
The line is idle or disabled for register
The line has incoming call
A20/A21/A20W/A21W is being started
A20/A21/A20W/A21W is standby
Blink in red at 120ms on, 120ms off
2.4 Programmable keys LED
The monitored account is unregistered
The monitored account is idle
The monitored account is talking
The monitored account is ringing
When powering on, all LEDs will be lighted once.
When there is an incoming call, the corresponding line LED and status LED will be blinking.
2.3 Describe of the LCD Screen Icons
The extension is registered
The extension is unregistered
There is a new voice mail
There is an incoming call
A20/A21/A20W/A21W is in speaker
mode
A20/A21/A20W/A21W is in handset
mode
A20/A21/A20W/A21W is in headset
mode