User manual

8820IP Phone User Manual_ SIP (V1.44)
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● agc: Enable/disable AGC.
● aec: Enable/disable VEC.
● 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.
● handset in: Set the volume of handset input.
● 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.