Supported Functionality
The IDFT feature supports the following functionality:
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Create IDFT request for Collapsed, Pure-S, combination of Collapsed and Pure-S multi-PDN calls with multiple bearers.
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Data transfer on downlink and uplink IDFT bearers.
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Deletion of IDFT request from MME. Also, timer-based deletion of IDFT bearer after expiration of a default value of 100 seconds, if the MME does not send an IDFT request for deletion.
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Deletion of IDFT PDN, including Clear/Delete subscribers from MME/P-GW, when normal PDN goes down.
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IDFT creation of Sx Failure Handling for Pure-S and Collapsed PDN.
Important | Transport GTP-U address capability is assumed to be same across eNodeB and S-GW. |