TA410/810 User Manual
Limiting,TIP/RING voltage adjustment, Minimum
Operational Loop Current, and AC Impedance as
predefined for your country's analog line
characteristics. The default setting is "FCC".
Voice Settings
Enable Jitterbuffer
Forces the use of a jitter buffer on the received side of
a SIP channel. The call quality will be improved if this
option is enabled.
Jitter Buffer MaxSize
Max length of the jitter buffer in milliseconds.
Default: 40.
VAD
Voice Activity Detection.
Echo Tail Length
In some cases, the echo canceller doesn’
t train quickly
enough and there is echo at the beginning of the call
which then quickly fades out.
4.5 Audio Settings
4.5.1 Custom Prompts
Upload custom prompts on this page. You can also download it and save it as a
backup.
Figure 4-21 Custom Prompts
The administrator can upload prompts following the steps:
1) Click “Upload Prompt”.
2) Click “Browse” to choose the desired prompt.
3) Click “Upload” to upload the selected prompt.
Note:
The file must not be larger than 1.8 MB, and the file must be WAV format:
GSM 6.10 8 kHz, Mono, 1 Kb/s;
Alaw/Ulaw 8 kHz, Mono, 1 Kb/s;
PCM 8 kHz, Mono, 16 Kb/s.
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