vad: Enable/disable VAD (voice activity detection).
agc: Check for enable the Auto Gain Coctrol.
aec: Check for enable Auto Echo Cancellation.
codec1: Set the priority 1of the audio compression algorithm. The
options are g729 g7231 g711u g711a and gsm.
codec2: Set the priority of the audio compression algorithm. The
options are g729 g7231 g711u g711a and gsm.
codec3: Set the priority 3of the audio compression algorithm. The
options are g729 g7231 g711u g711a and gsm.
codec4: Set the priority 4of the audio compression algorithm. The
options are g729 g7231 g711u g711a and gsm.
codec5: Set the priority 5of the audio compression algorithm. The
options are g729 g7231 g711u g711a and gsm.
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.
handset in: Drag the slider to adjust the volume of handset input. Drag it to the left to reduce the volume; while drag it to the right to increase the volume.
handset out: Drag the slider to adjust the volume of handset output.
speaker out: This setting no needed to set at this moment.
Other settings:
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