User's Manual

Table Of Contents
High Definition Touch Color Screen Smart Media Android SIP Conference Phone
ICF-1900
149
No Audio or Poor Audio in
Handset
1. Please check if Handset is connected to the correct Handset (
)
port NOT Headphone ( ) port.
2.
The network bandwidth and delay may be not suitable for audio
call at the moment.
Poor Audio or Low Volume in
Headphone
1.
There are two Headphone wire sequence in the market. Please
use the Headphone provided by PLANET, or consult PLANET
the
wire sequence if you wish to use a third-party headphone.
2.
The network bandwidth and delay may be not suitable for audio
call at the moment.
Audio is chopping at far-
end in
Hands-free speaker mode
This is usually due to loud volume f
eedback from speaker to
microphone. Please lower down the speaker volume a little bit, the
chopping will be gone.