Feature Description
The stale session timeout determines the duration for which the SGW-U sessions can remain inactive before they are terminated. On the cnSGW-C platform, the SubscribeCtx represents the subscriber session. The SGW-U establishes a connection with peers, such as:
- MME and PGW using the S11 or S4 interface
- PGW on the S5 or S8 interface
When the peers delete the peer session, the SGW-U doesn't receive the deletion message or inadvertently misses them. In such situations, the SGW-U sessions remain idle and continue to receive the calls but do not process or respond to the request. To prevent the stale sessions from using the resources, the idle timeout feature enables the SGW-U to receive new subscriber session requests after deleting the old or stale sessions.