3GPP Change Requests

SMF supports the following change requests (CR) as per 3GPP specification:

  • SMF complies with 3GPP TS 29.502 CR 0097 to support sending of the "INSUFFICIENT_UP_RESOURCES" cause to AMF. The INSUFFICIENT_UP_RESOURCES table describes this cause and scenario.

  • SMF complies with 3GPP TS 29.518 CR 161 not to support the UE_IN_NON_ALLOWED_AREA cause in N1N2 Message Transfer Error from AMF. This transfer error occurs due to gateway timeout.