Version 6.2 821 February 2011
SIP User's Manual 12. Configuration Parameters Reference
Parameter Description
EMS: Current Disconnect Duration
[CurrentDisconnectDuration]
The duration (in msec) of the current disconnect pulse.
The range is 200 to 1500. The default is 900.
Notes:
This parameter is applicable for FXS and FXO interfaces.
The FXO interface detection window is 100 msec below the
parameter's value and 350 msec above the parameter's
value. For example, if this parameter is set to 400 msec,
then the detection window is 300 to 750 msec.
For this parameter to take effect, a device reset is required.
[CurrentDisconnectDefaultThresh
old]
Determines the line voltage threshold at which a current
disconnect detection is considered.
The valid range is 0 to 20 Volts. The default value is 4 Volts.
Notes:
This parameter is applicable only to FXO interfaces.
For this parameter to take effect, a device reset is required.
[TimeToSampleAnalogLineVoltag
e]
Determines the frequency at which the analog line voltage is
sampled (after offhook), for detection of the current disconnect
threshold.
The valid range is 100 to 2500 msec. The default value is
1000 msec.
Notes:
This parameter is applicable only to FXO interfaces.
For this parameter to take effect, a device reset is required.
12.12.9 Tone Parameters
This subsection describes the device's tone parameters.
12.12.9.1 Telephony Tone Parameters
The telephony tone parameters are described in the table below.
Table 12-57: Tone Parameters
Parameter Description
[PlayHeldToneForIP2IP]
Enables playing a Held tone to an IP-to-IP leg instead of putting it
on hold.
[0] = Disabled. The device interworks the re-INVITE with
a=inactive from one SIP leg to another SIP leg. (default)
[1] = Enabled. The device plays a Held tone to the IP if it
receives a re-INVITE with a=inactive in the SDP from the party
initiating the call hold. The Held tone must be configured in the
CPT or PRT file.
Note: This parameter is applicable only to the IP-to-IP application
(enables using the parameter EnableIP2IPApplication).
Web/EMS: Dial Tone Duration Duration (in seconds) that the dial tone is played (for digital
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