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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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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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