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Parameter Description:
z Codec Priority: This could help users configure the codec priority for
using.
z Frame Size: To configure the packet size for the codec that users
want.
z G.723 Silence Suppression: To enable the VAD and CNG function
for the G.723 codec.
z Volume: Adjust the volume in “Voice” (sending out); “Input”
(receiving); “ DTMF” (DTMF sending out). Please Noted the value is
limited.
z Echo Cancel: To enable or disable the echo cancellation function.
z Jitter Buffer: TO configure the Min or Max delay for the Jitter Buffer.
The min is from 0ms and the max is 150ms.
Note: A large jitter buffer causes increase in the delay and decreases the
packet loss. A small jitter buffer decreases the delay but increases the
packet loss. The size of the jitter buffer depends on the condition of the
network, which varies with time. Typically the packet loss should be less
than 10% for a good quality of speech.
1.7 Tone Setting
The Tone Setting is for the Tone detecting. The call will be dropped if the
pattern of the tone from PSTN side is as same as the pattern in the
disconnect tone table. The same result for the Ring Back Tone. User could