374 Matrix PRASAR UCS System Manual
• Call Back on: This parameter allows you to select if the call back should be made to the same number
that was received or to a different number. If you want the call back to be made to the same number select
the ‘CLI number”. If you want the call back to be made to a different number, select ‘Alternate Number’.
By default, CLI number is selected for Call Back.
• Incoming Number List: Configure the number strings that are eligible for Call Back in this List. By default,
Number List 15 is assigned to Call Back Incoming Number List.
Number List 15 is also assigned to all SIP trunks. If you want the same numbers strings to be configured
commonly for all SIP trunks, retain this list.
If you want a different set of number strings to be configured for this SIP Trunk, select a different Number
List, and assign it to the SIP trunk port.
You may configure the Incoming Number List either from the ‘Number List’ page or by clicking the
‘Incoming Number List’ link to reach the Number List page.
Refer the topic “Number Lists” to know more, and for configuration instructions.
• Outgoing Number List: Configure the number strings that are to be called back in this List. For each
number string you configured in the ‘Incoming Number List’, you must configure in the corresponding index
in the Outgoing Number List a number to which the call back is to be made. For example, for the number
string programmed at Index 1 in the Incoming Number List, a corresponding number string at the same
Index, Index 1, should be configured in the ‘Outgoing Number List’.
By default, Number List 16 is assigned to Outgoing Number List.The same Number List 16 is also
assigned to all SIP trunks.
You may configure the default number list, or a different number list and assign it to this SIP Trunk port.
You may configure the Outgoing Number List either from the ‘Number List’ page or by clicking the
‘Outgoing Number List’ link to reach the Number List page.
Refer the topic “Number Lists” to know more, and for configuration instructions.
• Call Back from: This parameter determines the trunk port to be used to make the call back. The call back
can be made using the same port or an Outgoing Trunk Bundle Group (OGTBG).
Select ‘Same port’ if you want the call back to be made using the same port on which the missed call is
received. If you select OGTBG, the call back will be made using the OGTBG, which you have defined.
By default, Same port is selected.
• OGTB Group: If you selected OGTBG for making the call back in the previous parameter, you must define
the OGTBG that must be used in this parameter.
By default, OGTBG 01 is assigned to all SIP trunks.
If you want the system to select the lowest cost trunk for making the call back, enable Least Cost Routing
on the OGTBG that you define here for Call Back.
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