Downlink Data Notification Success Call Flow
This section describes the Downlink Data Notification Success call flow.

Step |
Description |
---|---|
1 |
SGW-UP sends the Session Report Request to the PFCP-EP pod. |
2 |
After receiving the Session Report Request, the PFCP-EP performs the following:
|
3 |
Upon reception of the Sx Session Report Request, SGW-service pod:
|
4 |
PFCP-EP forwards the Sx Session Report Response to the SGW-UP. |
5 |
P-T1 transaction which is started at step one is completed. At SGW-service pod:
|
6 |
After receiving the DDN, S11-GTP-EP:
|
7 |
MME sends the DDN ACK Success to the S11-GTP-EP. |
8 |
The transaction S-T3 which is started after step four is complete. S11-GTP-EP sends the DDN Response success to SGW-service pod. |
9 |
SGW-service pod updates the CDL. |