User manual
"Disconnect Supervision" denes how PSTN Simulator treat an event when Called part disconnects.
In the event when Called party disconnects Calling party can hear one of the following types of in-band audio
signal: Busy or Dialtone or Reorder or Silence.
Those in-band signals can be used by DSP based systems for correct detection of disconnect event.
In addition to in-band signal Simulator can advise Calling party by Polarity Reversal (Battery Reversal) or brief
loss of current supplied to a line.
Options "Loss of Current" and "Polarity Reversal" can be used at the same.
4.2.3 Maximum Flash on-hook time
"Maximum Flash on-hook time" denes the border line between "Flash" and "On Hook" events.
Pressing a hook for less than this time will result in a "Flash", pressing a hook for a longer than this time will
result in an "On Hook" event.
Default timer value is 700ms.
PSTN Manager allows following values for the "Maximum Flash on-hook time':
From 0ms to 65535ms with 1ms increment.
4.2.4 Minimum Flash on-hook time
“Minimum Flash on-hook time” denes a minimum time hook has to be pressed to generate a “Flash”. Pressing
a hook for less than this time will not have any result, pressing a hook for a longer than this time will result in
“Flash” event.
Default timer value is 100ms.
PSTN Manager allows following values for the “Minimum Flash on-hook time”:
From 0ms to 65535ms with 1ms increment.
4.2.5 Disconnect timeout
“Disconnect timeout” denes a minimum time that the hook has to be pressed to generate an “On Hook” event.
Default timer value is 1000ms.
PSTN Manager allows following values for the “Disconnect timeout”:
From 0ms to 65535ms with 1ms increment.
4.2.6 Dial tone delay
“Dial tone delay” is the timer that denes how soon the user will hear a dial tone after lifting a handset.
Default timer value is 200ms.
PSTN Manager allows following values for the “Dial tone delay”:
From 0ms to 65535ms with 1ms increment.
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User Manual
Public Switched Telephone Network (PSTN) Simulators