User's Manual Part 2
Firmware Version 1.0.0.1  UCM6200 Series IP PBX User Manual  Page 277 of 320
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 "United States 
of America (USA)". 
FXS Opermode 
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 "United States 
of America (USA)". 
FXS TISS Override 
Configure to enable or disable override Two-Wire Impedance Synthesis 
(TISS). The default setting is No. 
If enabled, users can select the impedance value for Two-Wire 
Impedance Synthesis (TISS) override. The default setting is 600Ω. 
PCMA Override 
Select the codec to be used for analog lines. North American users 
should choose PCMU. All other countries, unless already known, should 
be assumed to be PCMA. The default setting is PCMU. 
Note: 
This option requires system reboot to take effect. 
Boost Ringer 
Configure whether normal ringing voltage (40V) or maximum ringing 
voltage (89V) for analog phones attached to the FXS port is required. The 
default setting is "Normal". 
Fast Ringer 
Configure to increase the ringing speed to 25HZ. This option can be used 
with "Low Power" option. The default setting is "Normal". 
Low Power 
Configure the peak voltage up to 50V during "Fast Ringer" operation. This 
option is used with "Fast Ringer". The default setting is "Normal". 
Ring Detect 
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". 
FXS MWI Mode 
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. 










