User manual

AT-323 SIP Phone User Manual (V1.43)
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3.2.2 Audio Setting：
Fig 3.3 Audio Setting
● codec1: Set the priority 1 of the audio compression algorithm. The
options are g729，g7231，g711u，g711a , gsm and iLBC.
● codec2: Set the priority 2 of the audio compression algorithm. The
options are g729，g7231，g711u，g711a , gsm and iLBC.
● codec3: Set the priority 3 of the audio compression algorithm. The
options are g729，g7231，g711u，g711a , gsm and iLBC.
● codec4: Set the priority 4 of the audio compression algorithm. The
options are g729，g7231，g711u，g711a , gsm and iLBC.
● codec5: Set the priority 5 of the audio compression algorithm. The
options are g729，g7231，g711u，g711a , gsm and iLBC.
● codec5: Set the priority 6 of the audio compression algorithm. The
options are g729，g7231，g711u，g711a , gsm and iLBC.
● vad: Enable/disable VAD (voice activity detection).
● agc: Enable/disable AGC.
● aec: Enable/disable AEC.
● 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.
● audio frame: Set audio frames in RTP package. Minimum is 1 and
maximum is 8.
● jitter size : Set buffer size of RTP package. The value range is 0-32.
● ilbc payload :
Set the payload type of RTP package when ILBC codec
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