UCM630X Series User Manual
Version 1.0.11.10
Configure the peak voltage up to 50V during "Fast Ringer" operation. This
option is used with "Fast Ringer". The default setting is "Normal".
If set to "Full Wave", false ring detection will be prevented for lines where Caller
ID is sent before the first ring and proceeded by a polarity reversal, as in UK.
The default setting is "Standard".
Configure the type of Message Waiting Indicator on FXS lines. The default
setting is "FSK".
• FSK: Frequency Shift Key Indicator
• NEON: Light Neon Bulb Indicator.
Allows users to adjust the tolerance of the FXO ringing frequency. 63Hz is
considered the standard value and is selected by default.
DAHDI Settings
When users encounter issues such as audio delay in outbound calls using the analog trunk, they can adjust
DAHDI settings on the UCM to attempt to lessen or resolve the issues.
Figure 249: DAHDI Settings
For the value of the option such as “32, half”:
The number in the option indicates the number of read/write buffers for TDM (DAHDI).
The “Half”, “Immediate” or “Full” option indicates the strategy when reading/writing data from buffer.
- “Half”: Data will be read/written from buffer when half of the buffer is occupied with data.
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