2009
EUROTECH USER MANUAL
VoIP
2
All
™
Series: 8
❘
16
❘
24 Channel Gateway User Manual
41
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'Random' – The next SIM to work will be selected randomly.
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'Max Balance' – The SIM with the highest balance will be selected to work next.
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'Min Balance' – The SIM with the lowest balance will be selected to work next.
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'First' - The next available SIM on the list will be selected to work next.
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'Last' - The last available SIM on the list will be selected to work next.
SIM Blocking Parameters
To improve the ASR by decreasing the amount of unsuccessful calls the gateway will block SIMs
that has low success rate.
'Block Threshold'
– The gateway will stop sending calls through a port when the port has
reached this amount of consecutive failed calls and will mark the SIM blocked.
'Alarm Threshold'
– The gateway will send an alarm when the port has reached this amount of
consecutive failed calls.
‘SIM Registration Time Limit’
- The gateway will stop trying to register the SIM after this time
and will mark the SIM as blocked.
For further information on "SIM Blocking" see the 'chapter 7 : SIM Server'.
Chapter 6.5.2: Advanced Features
6.5.2.1 Announcement Network Message Detection
This advanced feature is designed to block the hearing of the cellular network messages.
When the cellular network answers a call with a message it is faster than a mobile phone can
answer.
When enabled, if the gateway will detect that the call answered below the 'Connection Time' it
will disconnect the call. After 'Number of detection' of consecutive detections, it will block the
SIM.
'Active' – When marked is enabling the 'Network Message Detection'.
'Connection Time' - The maximum time (in seconds) from call start till 'connect' for a
call to be detected as a cellular announcement message.
'Number of detection' – the number of consecutive detections before the gateway will
block the SIM.
Setting Up
1. Mark the 'Active' checkbox.
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