4.15.3. DisableBlock (Disable Block)
Description: The DisableBlock parameter defines whether or not a blocking pattern (message) is sent on a channel when the channel is in the OutofService state. When DisableBlock is disabled, no pattern is sent (the switch will not present calls to the B channel).
When DisableBlock is enabled and a channel is in the InService state (InitialChanState=1), the protocol will send a non-blocking pattern on the channel (the switch will present calls to the B channel). When DisableBlock is enabled and a channel is in the OutofService state (InitialChanState=2), the protocol will send a blocking pattern on the channel (the switch will present calls to the B channel but these calls will be abandoned by the switch since the application will not respond to the call).
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