Cisco Cisco Packet Data Interworking Function (PDIF)
SGSN Changes in Release 16
▀ SGSN Enhancements for 16.4
▄ Release Change Reference, StarOS Release 16
468
CSCur57064 - Intra-SRNS SGSN to send ULI to GGSN, with valid PLMN, LAC,
SAC
Feature Changes
ULI contains valid SAI information with PLMN, LAC and SAC
Previous Behavior: During Intra-SRNS, the SGSN does not include ULI information until the location information is
updated by the MS in the UPCQ.
updated by the MS in the UPCQ.
New Behavior: During Intra-SRNS, the SGSN now includes the "LOCATION TYPE" as SAI with a valid LAC and
SAC in the ULI field of UPCQ.
SAC in the ULI field of UPCQ.
Customer Impact: The SGSN updates the User Location Information of the MS via UPCQ during Intra-SRNS based
on the availability, this information can be used by the operator for billing.
on the availability, this information can be used by the operator for billing.
CSCur57085 - Inter-SRNS SGSN to send ULI to GGSN, with valid LAC and
SAC=0
Feature Changes
ULI to GGSN contains valid LAC and SAC
Previous Behavior: During Intra-SRNS, the SGSN does not include ULI information until the location information is
updated by the MS in the UPCQ.
updated by the MS in the UPCQ.
New Behavior: During Intra-SRNS, the SGSN now includes LOCATION TYPE as SAI with a valid LAC and “SAC =
0” in the ULI field of initial UPCQ.
0” in the ULI field of initial UPCQ.
Customer Impact: The SGSN updates the User Location Information of the MS via UPCQ during Intra-SRNS based
on the availability, this information can be used by the operator for billing.
on the availability, this information can be used by the operator for billing.
CSCur74184 - Global CN-ID should be sent in DirectInformationTransfer RIM
with Iuflex
Feature Changes
Including Global CN-ID in RANAP-RIM messages
When Iu-flex is activated, some RNCs may expect RIM information, issued by the SGSN, to include the Global CN-ID.
Previous Behavior: The SGSN does not include the Global CN-ID IE in the RANAP Direct Information Transfer
message to the RNC.
message to the RNC.
New Behavior: When an RNC is configured as "pooled" as part of the SGSN’s IuPS Service configuration, then the
SGSN includes the configured core network ID as the Global CN-ID IE in the RANAP Direct Information Transfer
RIM messages towards the RNC.
SGSN includes the configured core network ID as the Global CN-ID IE in the RANAP Direct Information Transfer
RIM messages towards the RNC.