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make it ring. You need to adjust and configure the following:
Go to
Advance > Line
, then increase the Ring Voltage value
Go to
Advance > Line
, then increase Ring Frequency value. (Optional if increasing the ring voltage
resolves the issue)
Replaced your analog phone. (Optional if increasing the ring voltage resolves the issue)
Q.
How to remove the buzzing or humming noise during the call?
A
. Usually if the grounding environment is not properly installed, it will bring more noise or AC interference
(50/60 Hz noise or line frequency hum) with the device. Thus, it is recommended to check if the grounding
wire is connected properly. You can perform the following procedures
Avoided sharing of AC power outlet with other devices (as this may generate electrical interference)
Check if the rack is earth grounded properly
Isolate the equipment from the rack
Cut off the ground pin on the power plug
Q. What can I do if the voice volume is too low (or high) on an extension during the call?
A.
When the voice volume is too low (or high) on
an analog extension side or internal party,
you can
increase (or decrease) the Gain to terminal parameter value by line configuration. Test several values
higher (or lower) than default value=0 until you get the normal voice volume
Go to
Extension > Analog > Advanced,
increase (or decrease) the
Gain to terminal
value
A
. When the voice volume is too low (or high) on
the other side or external party,
you can increase (or
decrease) the Gain to IP parameter value by line configuration. Test several values higher (or lower) than
default value=0 until you get the normal voice volume
Go to
Extension > Analog > Advanced,
increase (or decrease) the
Gain to IP
value
Q. How can I eliminate the crosstalk on an analog extension? (Conversation on another extension is
heard during a call)
A.
Generally, crosstalk is caused by telephone line short-circuits. Check the connection line of the FXS port
and remove the line fault
