Changing TBCT system parameters

To change TBCT system parameters:

1. From web administration, go to the Two B Channel Transfer screen (Configuration Management > Switch Interfaces > Digital Interfaces > Two B Channel Transfer).
2. Select Change Two B Channel Transfer.

   The system displays the Change Two B Channel Transfer screen.

3. Select Change Two B Channel System Parameters.

   The system displays the Change Two B Channel System Parameters screen. For information about this screen, see Change TBCT system parameters screen.

4. In the Number of Reserved B Channels for Outgoing Calls field, type the number of B channels that are used exclusively for outgoing calls.
5. In the When is B Channel Transfer Invoked? field, select one of the following:
   • on alerting � TBCT will be used when the system is alerted about an incoming call
   • on answer � TBCT will be used when the system answers an incoming call
6. In the Error Handling Method if Transfer Fails field, select bridge or disconnect.
7. In the Channel Hunt Method field, select ascending order or descending order.

   Note:
   To minimize collisions between incoming and outgoing calls, Avaya recommends that the system hunt for outgoing channels in the opposite direction from the direction the switch is using for incoming calls.

8. In the Maximum Number of Rings for Outgoing Calls field, type the number of rings to allow after placing an outgoing call.
9. Select Submit.

   The system displays information about the success or failure of the administration attempt.

Administration changes do not take effect until you stop and start the voice system.

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