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Introduction:
In order for the IMG 1010 or IMG 1004 to process calls, routing needs to be configured. This article explains a very basic routing configuration.
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All configuration is performed in the IMG ClientView application.
Procedure:
The following diagram shows the call flow inside the IMG with basic routing configured.
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The first step in configuring basic routing is to configure both channel groups.
Configuring the ISDN channel group
Before configuring the ISDN channel group, the ISDN E1 span must be configured first, then an ISDN D-Channel assigned to it. Then the channel group can be configured, which basically configures the ISDN B-Channels for this E1.
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More information on the channel group configuration pane can be found at IMG 1010 - Channel Group
Now add B Channels to this ISDN channel group. Right-click on the newly created channel group object (the name of this object will reflect the name you assigned to this channel group) and select New ISDN Group.
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This concludes the configuration of the ISDN channel group.
Configuring the SIP channel group
Before the SIP channel group can be created, several other elements must be configured.
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More information on the external gateway object can be found at IMG 1010 - External Gateway.
At this point all the steps necessary before creating a SIP channel group have been completed.
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More information on the channel group configuration pane can be found at IMG 1010 - Channel Group
Next assign the previously created external gateway to the SIP channel group. Right-click on the newly created SIP channel group object and select New IP Network Element. Under IP Network Element select the external gateway object you created earlier. Only one external gateway can be assigned to a SIP channel group.
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At this stage, both the ISDN channel group and the SIP channel group have been created.
Configuring routing between 2 channel groups
In this example we are going to configure basic routing between the 2 channel groups we have just created. All calls arriving on the ISDN channel group will be routed to SIP and all calls arriving on the SIP channel group will be routed to ISDN. No phone number or other manipulation will be performed.
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In order to add number translation to your routing configuration, please refer to IMG - Introduction to Number Translation
Product List:
IMG 1004 Integrated Media Gateway
IMG 1010 Integrated Media Gateway