XONTEL XT-800FXO, Руководство пользователя

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Gateway Settings
This chapter explains Gateway settings, which can be applied globally to XT-800FXO
Gateway. The gateway settings can be configured under
Gateway→ Gateway
Settings .
General Preferences
General Preferences
Figure 6-1 General Preferences
Table 6-1 General Preferences
General Settings
MAX Call Duration
The absolute maximum amount of time permitted for a
call. A setting of 0 disables the timeout.
G723 Encoding Rate Set the G723 encoding rate.
FXO Mode
Select country to set the On Hook Speed, Ringer
Impedance, Ringer Threshold, Current 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 "SAUDIARABIA".
Voice Settings
Enable Jitter buffer
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.