Table 47: Analog Hardware Configuration Parameters; Figure 86: Fxo Ports Acim Settings - Grandstream Networks UCM6510 User Manual

For FXO port, users could manually enter the ACIM settings by selecting the value from dropdown list for
each port. Or users could click on "Detect" for the UCM6510 to automatically detect the ACIM value. The
detecting value will be automatically filled into the settings.
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Note:
ACIM setting is very important for the FXO/PSTN line to work properly on the UCM6510. If the users
experience echo, caller ID or disconnecting issue, please make sure to run the ACIM detection to find out
the correct value for impedance setting.
Tone Region
Advanced Settings
FXO Opermode
FXS Opermode
FXS TISS Override
Firmware Version 1.0.2.5
Figure 86: FXO Ports ACIM Settings
Table 47: Analog Hardware Configuration Parameters
Select country to set the default tones for dial tone, busy tone, ring tone
and etc to be sent from the FXS port. The default setting is "United States
of A merica (USA)".
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 A merica (USA)".
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 A merica (USA)".
Configure to enable or disable override Two-­Wire Impedance Synthesis
UCM6510 IP PBX User Manual Page 145 of 317