SIP User's Manual 314 Document #: LTRT-65412
MP-11x & MP-124
Parameter Description
Web: Disconnect Call on Busy Tone
Detection
EMS: Disconnect On Detection End
Tones
[DisconnectOnBusyTone]
Determines whether a call is disconnected upon detection
of a busy tone.
[0] Disable = Do not disconnect call on detection of
busy tone.
[1] Enable = Call is released if busy or reorder (fast
busy) tone is detected on the device's FXO port
(default).
This parameter is applicable only to FXO interfaces.
Polarity (Current) Reversal for Call Release (Analog Interfaces) Parameters
Web: Enable Polarity Reversal
EMS: Enable Reversal Polarity
[EnableReversalPolarity]
Enables the polarity reversal feature for call release.
[0] Disable = Disable the polarity reversal service
(default).
[1] Enable = Enable the polarity reversal service.
If the polarity reversal service is enabled, the FXS
interface changes the line polarity on call answer and then
changes it back on call release.
The FXO interface sends a 200 OK response when
polarity reversal signal is detected (applicable only to one-
stage dialing) and releases a call when a second polarity
reversal signal is detected.
Web/EMS: Enable Current Disconnect
[EnableCurrentDisconnect]
Enables call release upon detection of a Current
Disconnect signal.
[0] Disable = Disable the current disconnect service
(default).
[1] Enable = Enable the current disconnect service.
If the current disconnect service is enabled:
The FXO releases a call when a current disconnect
signal is detected on its port.
The FXS interface generates a 'Current Disconnect
Pulse' after a call is released from IP.
The current disconnect duration is determined by the
parameter CurrentDisconnectDuration. The current
disconnect threshold (FXO only) is determined by the
parameter CurrentDisconnectDefaultThreshold. The
frequency at which the analog line voltage is sampled is
determined by the parameter
TimeToSampleAnalogLineVoltage.
[PolarityReversalType]
Defines the voltage change slope during polarity reversal
or wink.
[0] = Soft reverse polarity (default).
[1] = Hard reverse polarity.
Notes:
This parameter is applicable only to FXS interfaces.
Some Caller ID signals use reversal polarity and/or
Wink signals. In these cases, it is recommended to set
PolarityReversalType to 1 (Hard).
For this parameter to take effect, a device reset is
required.
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