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Use the Two B-Channel Transfer screens to administer the Two B-Channel Transfer feature.
The Two B-Channel Transfer (TBCT) feature is a means for the Avaya IR system to take advantage of the Explicit Network Call Transfer operations on ISDN PRI trunks.
With the TBCT feature, a call coming into the Avaya IR system on one B (bearer) channel can be connected, within the switch, to a call that has been made by the Avaya IR system on another B channel, and both incoming and outgoing calls on the Avaya IR system are released. Without this feature, the connection would need to be maintained within the Avaya IR system for the duration.
