Table 48: Analog Hardware Configuration Parameters; Figure 106: Fxo Ports Acim Settings - Grandstream Networks UCM6510 User Manual

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

Figure 106: FXO Ports ACIM Settings

Table 48: 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
America (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
America (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
America (USA)".
Configure to enable or disable override Two-Wire Impedance Synthesis
(TISS). The default setting is No.
UCM6510 IP PBX User Manual
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