288 Matrix ETERNITY NE System Manual
To understand the significance of this timer, let us consider a situation. Extension 201 does not have
calling permission for long distance numbers. The user of extension 201 grabs a CO Trunk, and dials a
number 1022-6305555. The system dials out this number, as it starts with '1', but since the actual dial
tone from the CO comes after some time, the CO interprets this number as 022-6305555 and
establishes speech. This way an extension user who does not have permission for long distance
calling, can dial out a long distance number. This can be prevented by configuring the Speech Delay
Timer to an appropriate value.
The range of this timer is from 000 to 255 seconds. Default: 0 second.
• Pause Timer: This Timer is required for inserting delay while digits of a number string are out dialed
from the CO trunk. The Pause Timer is applied when the features “Closed User Group (CUG)”, “Multi-
Stage Dialing”, “Emergency Dialing”, “Last Number Redial”, “Auto Redial”, “Abbreviated Dialing”, “Call
Back on Trunk Ports”, “Quick Dial”, “RCOC (Return Call to Original Caller)”, “Least Cost Routing (LCR)”
are used to dial out the numbers from the CO port.
The range of this timer is from 0500 to 2500 milliseconds. By default the timer is set to 1000
milliseconds.
• Ring Cadence OFF Timer: Configure this timer to set OFF time for Ring cadence. During an incoming
call on the CO port, if the CO gives ring with a long Ring OFF period, the system will consider that the
ring has been stopped, and it will stop ringing the SLT port, even though the incoming call is still
present.
To get correct indication, the SARVAM UCS supports the Ring Cadence OFF timer on the CO port so
that ring can continue, even for incoming calls with long Ring OFF period.
The range of the Ring Cadence OFF timer is from 1 to 6 seconds. Default: 6 seconds.
• Flash Time (msec): This parameter is relevant for dialing out Flash on the CO Trunk to access some
of the features of the CO Network. Configure the desired time of Flash to be generated on the CO
Trunk. Default: 600 milliseconds.
• On-hook Speed (msec): This parameter allows you to set the duration of time for the line-side device
to go on-hook.
The ON-Hook speed you set here is measured from the time the ON-Hook bit is cleared until the loop
current equals zero. Select the desired ON-Hook Speed from the following options:
• <0.5msec
•3 msec
• 26 msec
Default: <0.5msec.
• Off-hook Speed (msec): This parameter defines the time to settle the line transients after which
transmission or reception can occur. Select the desired OFF-Hook Speed from the following options:
• 512 ms
• 128 ms
• 64 ms
•8 ms
Default: 8 ms.
• Idle Wait Timer: This is the time taken by the Central Office to detect and release the line after the CO
trunk has been released by SARVAM UCS. This time may vary from Central Office to Central Office.
Set the Idle Wait Timer as per the time taken by your Central Office.
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