8820IP Phone User Manual_ SIP (V1.44)
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agc:
Enable/disable AGC.
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aec:
Enable/disable VEC.
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audio frame:
Set audio frames in RTP package. Minimum is 1 and
maximum is 8.
●
g.723.1 high rate:
enable/disable g.723.1 high rate. G.723.1 high rate is
6.3kbps, low rate is 5.3kbps.
●
ilbc payload :
Set the payload type of RTP package whne ILBC codec
selected to DTMF delay. The value range is 96-255.
●
jitter size :
Set buffer size of RTP package. The value range is 0-32.
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handset in:
Set the volume of handset input.
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handset out:
Set the volume of handset output.
●
ring type:
Set ring type by selecting corresponding item from drop down
list.
n
dtmf :
Set ring as ordinary rings in different frequency
n
not disturb
: Set the phone do not ring by selecting this item.
n
user define
:
Set ring as music saved by user by selecting this item.