Feature Description

SMF supports:

  • Handling of the following GTP-C path management messages as per 3GPP TS 29.274

    • Echo Request

    • Echo Response

  • Sending an Echo Request message to the newly discovered GTP-C peer as per the configuration.

  • Sending an Echo Response message as a reply if it receives an Echo Request message from GTP-C peer.

  • Retransmitting an Echo Request message to GTP-C peer for configured number of times in case of no response received.

  • Clearing all the subscribers associated to a GTP-C peer in case of no response received for an Echo Request message for the configured number of times for that GTP-C peer.

  • Clearing all the subscribers associated to a GTP-C peer in case of a different recovery value received from that GTP-C peer.

The feature complies with the following standards:

  • 3GPP TS 29.274, version 15.8.0

  • 3GPP TS 23.007

Note

This feature is applicable on 4G calls with legacy interfaces.