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Page 18
Audio Settings
Speaker volume
–
Increase or decrease decibel level of speaker
output. Default level is 0 dB, or no change.
Microphone volume
–
Increase or decrease decibel level of
microphone input. Default level is +15 dB.
Microphone high-pass filter
–
Eliminates low-frequency noise that
can make speech difficult to understand.
DC blocker only
–
Eliminates hum from power lines while
leaving other low-frequency sounds intact.
High-pass
mode
–
Eliminates most noise below standard
telephone frequencies.
Noise suppression
–
This option reduces background noise such as
fans and hums. It has no effect locally; it is only audible to the party
on the other end of a call from the intercom.
SIP
Choose preferred codecs
–
These settings enable/disable audio
codecs and set their order of use for SIP calls. The system tries
codecs at the top of the
Preferred
list before trying codecs at the
bottom of the list.
To select your preferred codec(s), highlight the
Available
codec(s) you would like to use and click
Enable
. This will add
the selected codec(s) to the
Preferred
list on the right.
To change the priority level of a preferred codec, simply
highlight it in the
Preferred
list and click
Move Up
or
Move
Down
.
