Section: 5.7.1 HSS
Content: IMSI is the prime key to the data stored in the HSS. The data held in the HSS is defined in Table 5.7.1-1 here below. The table below is applicable to E-UTRAN in stand-alone operation only. Table 5.7.1-1: HSS data NOTE 1: IMEI and SVN are stored in HSS when the Automatic Device Detection feature is supported, see clause 15.5 of TS 23.060[ General Packet Radio Service (GPRS); Service description; Stage 2 ]  [7]. NOTE 2: The 'EPS subscribed QoS profile' stored in HSS is complementary to the legacy 'GPRS subscribed QoS profile'. NOTE 3: Void. NOTE 4: How to indicate which of the PDN subscription contexts stored in the HSS is the default one for the UE is defined in stage 3. NOTE 5: To help with the selection of a co-located or topologically appropriate PDN GW and Serving GW, the PDN GW identity shall be in the form of an FQDN. NOTE 6: The "Access Point Name (APN)" field in the table above contains the APN-NI part of the APN. NOTE 7: In this specification, the values "prohibited for SIPTO" and " allowed for SIPTO excluding SIPTO at the local network" correspond to the pre Rel-12 values "prohibited for SIPTO" and "allowed for SIPTO". Actual coding of these values belongs to Stage 3 domain. NOTE 8: There may be at most three default APNs for a given user. One default APN can belong to either of the three PDN types of "IPv4", "IPv6", or "IPv4v6", one default APN can belong to PDN type of "Non-IP" and another default APN can belong to PDN type of "Ethernet". An expired CSG subscription should not be removed from the HSS subscription data before it is removed from the UE's Allowed CSG list or Operator CSG list. When a CSG subscription is cancelled it should be handled as an expired subscription in HSS subscription data to allow for removing it from UE's Allowed CSG list or Operator CSG list first. One (and only one) of the PDN subscription contexts stored in the HSS may contain a wild card APN (see TS 23.003[ Numbering, addressing and identification ]  [9]) in the Access Point Name field. The PDN subscription context marked as the default one shall not contain a wild card APN. The PDN subscription context with a wildcard APN shall not contain a statically allocated PDN GW. If the LIPA permission and SIPTO permission flags are both included for a particular APN, they shall be set in a consistent manner, e.g. if the LIPA permission is set to LIPA-only or LIPA-conditional, the SIPTO permission shall be set to SIPTO-prohibited. Conversely, if the SIPTO permission indicates the APN is a SIPTO-allowed APN, the LIPA permission shall be set to LIPA-prohibited. A SIPTO-allowed APN is an APN for which the SIPTO permission is set to allowed for SIPTO excluding SIPTO at the local network, allowed for SIPTO including SIPTO at the local network or allowed for SIPTO at the local network only.