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After creating the Signaling Variants object, up to ten individual signaling variants can be created. This is accomplished using the Signaling Variant object. Within the Signaling Variant object a base variant can be created. This base variant will then be modified to create a custom variant through the Variant Entry object created under it. To create the Signaling Variant object, right click on the Signaling Variants object and select New Signaling Variant. The 2020 IMG supports creating variants for SS7 and SIP-T. Below is short description of each of the variants supported.
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10 per EMS (variants must have unique ID and variant name)
Related Topics:
IMG 1010 - Creating Custom SS7 Variants
IMG 1010 - Configure Interworking between SIP and SIP-T or SIP-I
Technical Notes:
Configuring a Signaling Variant:
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ClientView Pane (T1 CAS Pane)
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ClientView Pane (E1 CAS Pane):
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Field Descriptions (E1/T1 CAS): (SS7 and SIP-T described below)
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In E1 CAS bits a-d are set at either a 1 or a 0 depending on whether the channel is in Idle/Released State or in a Seized state. The default is A bit and D bit which is 0x09. These can be changed by clicking in the CAS idle bit field. A Select Multiple Items box will appear. By using <Ctrl> + Mouse click you can select/deselectwhich deselect which bits to be used for idle. Below is table with the standard default states for ITU-T Q.421
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The Busy Out feature is disabled by default. Busy Out is often used during maintenance periods. Only channels configured with a trunk type of E&M can use Busy Out feature. Busy Out is configured in the IMG 1010 - CAS Circuits pane. You cannot "busy out" a channel if this flag is disabled.
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