Type of feature
Two B-Channel transfer (TBCT) is an optional feature. PRI is required for TBCT.
Overview
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.
Software requirements
The TBCT feature requires the TBCT package (AVtbct) software.