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Below are instructions on how to configure the IMG 2020 to add redirection information into the outgoing SS7 IAM message. In the procedure below the incoming side is ISDN and the outgoing side will be SS7 since the feature supports a call going from ISDN to SS7 only. Before configuring, the IMG 2020 must have an initial configuration created on it. Refer to the Basic Configurations procedure and verify the basic functionality has been configured. Also, since the feature uses interworking between the SS7 and ISDN, verify the SS7 stacks and/or the ISDN Signaling have been configured. Refer to the Configure SS7 and Configure ISDN topics for more information.
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Right click on the Signaling object and select New ISDN. A ISDN D-Channels object will get created. This is a container object and no configuration is needed here. Refer to the ISDN - Signaling topic for more information on this object.
Right click on the ISDN D-Channels object and select New ISDN D-Channel. Configure the D-Channel in this object. Refer to the ISDN D-Channel object for more information on configuring this object.
Right click on IMG EMS and select New Routing Configuration. A Routing Configuration Pane will appear. Refer to the Routing Configuration topic for more information on this object.
Right click on Routing Configuration and select New Channel Groups. A Channel groups container object is created and no configuration is needed in this object. The Channel Groups object allows multiple channel groups to be created under it. Refer to the Channel Groups topic for more information on this object.
Right click on the Channel Groups Object and select New Channel Group. A Channel Group object will appear. Enter a name for this channel group and set the Signaling Type to ISDN. In this example, the channel group was labeled ChGrp_ISDN. Refer to the Channel Group topic for more information on configuring the remaining fields in this object.
Right click on the ISDN Channel Group just created and select New ISDN Group. Select a D-Channel from drop down menu in the ISDN D channel field. Refer to the ISDN Group topic for more information on configuring the remaining fields in this object.
Right click on the ISDN Group object just created and select New ISDN Circuits. Select which DS-1s/DS-0s will be utilized in this group. Refer to the IMG 1010 - ISDN Circuits topic for more information on configuring this object.
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Right click on the Channel Groups object again and select New Channel Group. A Channel Group object will appear. Enter a name for this channel group and set the Signaling Type to SS7. In this example, the channel group was labeled ChGrp_SS7. Refer to the Channel Group topic for more information on configuring this object.
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Right click on the channel group created and select New ISUP Group. Select the correct stack from the OPC-DPC field drop down menu. Refer to the ISUP Group topic for more information on configuring this object.
Right click on the ISUP group created and select New Circuits. Select the Spans/Channels that will be configured and enter a Starting CIC number. Refer to the SS7 - Circuit Group under Signaling topic for more information on configuring this object.
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Right click on the ISUP group created under the SS7 channel group and select New Redirection Information Assertion. Modify the Redirection Information Assertion field to the Enabled selection. Depending on what parameters are to be added will depend on which fields are to be modified. Refer to the Redirection Information Assertion topic for more information on configuring the fields in this object.
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