Telephone interface problems, Cannot dial numbers, Two phones using the same extension – Revolabs FLX2 Advanced User Manual
Page 56: Led indicators

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Telephone Interface problems
“Line in Use” even though there is no call
If you see messages that the telephone line is in use, even though no call is currently in
progress, please change the Disconnect setting from OFF to ON (see the section on
Phone Settings on page 48). This should resolve this issue.
Cannot dial numbers
When using FLX on a DSL analog telephone line, the DSL filter needs to be installed. If
this is not the case, calls might not go through.
Two phones using the same extension
If a second phone is connected to the same extension a FLX Conference phone is
connected to, only one phone can be used at a time. If both phones are off-hook (in
use), audio will be distorted. Only one telephone should be used at a time.
LED Indicators
Device LED Indicator
Status
Microphone in Charger Base
Steady Red
Charging
Steady Green
Fully charged
Single red flash
Active phone call, both microphones in Charger
Base, microphones muted via Master Mute or All
Mic Mute is ON
Double red flash
Active phone call, microphone(s) in Charger Base,
microphone is muted.
Green flash
Active phone call, microphone in Charger Base is
unmuted
Off
Microphone is powered off:
o
Microphone is not seated properly
o
Charger Base is powered off
Microphone not in Charger Base
Off
Microphone is powered off
Single green flash every second
On, connected, battery charged, un-muted
Two Red flashes every second
On, connected, battery charged, individually muted
Red flash every second
On, connected, battery charged, Master Mute or “All
Mic Mute” is ON, microphones muted
Alternating Yellow - Green flash
On, connected, battery low, un-muted
Alternating Yellow - Double-Red
flash
On, connected, battery low, individually muted