ANSI-41 System Parameters Message

2.6.2.2.13.1 Stored Parameters

• Configuration message sequence number (CONFIG_MSG_SEQ_s = CONFIG_MSG_SEQ_r, A41_SYS_PAR_MSG_SEQ_s = CONFIG_MSG_SEQ_r)

• Home registration indicator (HOME_REG_s = HOME_REG_r)

• SID roamer registration indicator (FOR_SID_REG_s = FOR_SID_REG_r)

• NID roamer registration indicator (FOR_NID_REG_s = FOR_NID_REG_r)

• Power-up registration indicator (POWER_UP_REG_s = POWER_UP_REG_r)

• Power-down registration indicator (POWER_DOWN_REG_s = POWER_DOWN_REG_r)

• Parameter-change registration indicator (PARAMETER_REG_s = PARAMETER_REG_r)

• Preferred Enhanced Access Channel MSID type (PREF_MSID_TYPE_s = PREF_MSID_TYPE_r)

• Extended Preferred Enhanced Access Channel MSID type (EXT_PREF_MSID_TYPE_s = EXT_PREF_MSID_TYPE_r), if included; otherwise, set EXT_PREF_MSID_TYPE_s to NULL.

• MEID Required indicator is included (MEID_REQD_s = MEID_REQD_r), if included; otherwise, set MEID_REQD_s to ‘0’

• The mobile station shall set its operational IMSI, IMSI_O, as follows:

– If IMSI_T_SUPPORTED_r is equal to ‘0’, the mobile station shall set IMSI_O to IMSI_M_p.

– If IMSI_T_SUPPORTED_r is equal to ‘1’ and the mobile station’s IMSI_T_p has been programmed, the mobile station shall set IMSI_O to IMSI_T_p.

– If IMSI_T_SUPPORTED_r is equal to ‘1’ and the mobile station’s IMSI_T_p has not been programmed, the mobile station shall set IMSI_O to IMSI_M_p.

– If IMSI_O has been changed, the mobile station shall set MC_RR_PAR_MSG_SEQ_s, EXT_CHAN_LST_MSG_SEQ_s, FD_CHAN_LST_MSG_SEQ_s to NULL and set NUM_FCCCH_s to ‘1’ and FCCCH_ID_s to ‘1’.

• If OTHER_INFO_INCL_r is set to ‘1’, the mobile station shall store:

– Base station identification (BASE_ID_s = BASE_ID_r)

– If MCC_r = ‘1111111111’ and IMSI_11_12_r = ‘1111111’, the mobile station shall set the IMSI_O to IMSI_M_p and store:

• 
  Mobile Country Code (MCC_s = MCC_M_p) and
  
• 
  IMSI 11th and 12th digits (IMSI_11_12_s = IMSI_M_11_12_p);
  

• 
  Mobile Country Code (MCC_s = MCC_r) and
  
• 
  IMSI 11th and 12th digits (IMSI_11_12_s = IMSI_11_12_r).
  

– Signaling encryption supported indicator (SIG_ENCRYPT_SUP_s = SIG_ENCRYPT_SUP_r)

• Least significant digit of MNC (IMSI_10_s = IMSI_10_r), if included.

• If IMSI_O is set to the IMSI_M, the mobile station shall set:

– IMSI_O_S_s to IMSI_M_S_p (i.e., IMSI_O_S1_s to IMSI_M_S1_p and IMSI_O_S2_s to IMSI_M_S2_p)

– IMSI_O_11_12_s to IMSI_M_11_12_p

– MCC_O_s to MCC_M_p

– IMSI_O_ADDR_NUM_s to IMSI_M_ADDR_NUM_p

• If IMSI_O is set to the IMSI_T, the mobile station shall set:

– IMSI_O_S_s to IMSI_T_S_p (i.e., IMSI_O_S1_s to IMSI_T_S1_p and IMSI_O_S2_s to IMSI_T_S2_p).

– IMSI_O_11_12_s to IMSI_T_11_12_p

– MCC_O_s to MCC_T_p

– IMSI_O_ADDR_NUM_s to IMSI_T_ADDR_NUM_p

• Delete foreign TMSI (DELETE_FOR_TMSI_s = DELETE_FOR_TMSI_r)

• Use TMSI (USE_TMSI_s = USE_TMSI_r)

• TMSI zone length (TMSI_ZONE_LEN_s = TMSI_ZONE_LEN_r)

• TMSI zone number (TMSI_ZONE_s = TMSI_ZONE_r)

• Maximum number of alternative service options (MAX_NUM_ALT_SO_s = MAX_NUM_ALT_SO_r).

• The mobile station shall set all bits of TMSI_CODE_s-p to ‘1’ if all of the following conditions are met:

• 
  The bits of TMSI_CODE_s-p are not all equal to ‘1’,
  
• 
  DELETE_FOR_TMSI_s is equal to ‘1’, and
  
• 
  ASSIGNING_TMSI_ZONE_LEN_s-p is not equal to TMSI_ZONE_LEN_s, or the least significant ASSIGNING_TMSI_ZONE_LEN_s-p octets of
  ASSIGNING_TMSI_ZONE_s-p are not equal to TMSI_ZONE_s.
  

• If MSG_INTEGRITY_SUP_r is equal to ‘1’ and SIG_INTEGRITY_SUP_INCL_r is equal to ‘1’, the mobile station shall store the message integrity algorithms that the base station supports (SIG_INTEGRITY_SUP_s = SIG_INTEGRITY_SUP_r); otherwise, the mobile station shall set SIG_INTEGRITY_SUP_s to ‘00000000’.

If the mobile station supports packet data service options, the mobile station shall store the packet data services zone identifier (PACKET_ZONE_ID_s = PACKET_ZONE_ID_r); otherwise, the mobile station shall set PACKET_ZONE_ID_s to ‘00000000’.

If the mobile station supports packet data service options and the PZ_HYST_ENABLED field is included, the mobile station shall store the packet zone hysteresis enabled indicator (PZ_HYST_ENABLED_s = PZ_HYST_ENABLED_r); otherwise, the mobile station shall set PZ_HYST_ENABLED_s to ‘1’.

If the mobile station supports packet data service options and the PZ_HYST_LIST_LEN field is included, the mobile station shall store the packet zone hysteresis list length (PZ_HYST_LIST_LEN_s = PZ_HYST_LIST_LEN_r); otherwise, the mobile station shall set PZ_HYST_LIST_LEN_s to 4.

If the mobile station supports packet data service options and the PZ_HYST_ACT_TIMER field is included, the mobile station shall store the packet zone hysteresis activation timer (PZ_HYST_ACT_TIMER_s = PZ_HYST_ACT_TIMER_r); otherwise, the mobile station shall set PZ_HYST_ACT_TIMER_s to 30 seconds.

If the mobile station supports packet data service options and the PZ_HYST_TIMER_MUL field and the PZ_HYST_TIMER_EXP field are included, the mobile station shall store the packet zone hysteresis timer (PZ_HYST_TIMER_s = PZ_HYST_TIMER_MUL_r  8 ^ PZ_HYST_TIMER_EXP_r); otherwise, the mobile station shall set PZ_HYST_TIMER_s to 60 seconds.

If the mobile station supports the Device Information Message on the r-csch, the mobile station shall store:

• Autonomous message supported indicator
(AUTO_MSG_SUPPORTED_s= AUTO_MSG_SUPPORTED_r)

If AUTO_MSG_SUPPORTED_r is equal to ‘1’ and the mobile station supports the Device Information Message on the r-csch, the mobile station shall store:

• Autonomous message interval
(AUTO_MSG_INTERVAL_s = AUTO_MSG_INTERVAL_r)

The mobile station shall store concurrent service supported indicator (CS_SUPPORTED_s= CS_SUPPORTED_r).

Maximum number of additional service reference identifiers allowed in origination (MAX_ADD_SERV_INSTANCE_s = MAX_ADD_SERV_INSTANCE_r), if included; otherwise, the mobile station shall set MAX_ADD_SERV_INSTANCE_s to 0.

The mobile station shall store mobile station initiated position location determination supported indicator (MS_INIT_POS_LOC_SUP_IND_s = MS_INIT_POS_LOC_SUP_IND_r).

The mobile station shall also perform the following:

• If the mobile station is not in the Origination Attempt Substate, or Page Response Substate, the mobile station shall store the following prior to storing the remaining parameters:

– Registered system identification (REG_SID_s = SID_s).

– Registered network identification (REG_NID_s = NID_s).

• 
  Registered registration zone (REG_REG_ZONE_s = REG_ZONE_s).
  
• 
  Registered zone timer length (REG_ZONE_TIMER_s = ZONE_TIMER_r).
  

• Network identification (NID_s = NID_r)

• Registration zone (REG_ZONE_s = REG_ZONE_r)

• Number of registration zones to be retained (TOTAL_ZONES_s = TOTAL_ZONES_r)

• Zone timer length (ZONE_TIMER_s = ZONE_TIMER_r)

• Multiple SID storage indicator (MULT_SIDS_s = MULT_SIDS_r)

• Multiple NID storage indicator (MULT_NIDS_s = MULT_NIDS_r)

• Registration period (REG_PRD_s = REG_PRD_r)

• If DIST_REG_INCL is equal to ‘1’, the mobile station shall store:

– Registration distance (REG_DIST_s = REG_DIST_r)

• If DIST_REG_INCL is equal to ‘0’, then the mobile station shall set REG_DIST_s equal to ‘00000000000’.

• If TKZ_MODE_SUPPORTED_r is not included, the mobile station shall set TKZ_MODE_SUPPORTED_s to ‘0’; otherwise, the mobile station shall set TKZ_MODE_SUPPORTED_s to TKZ_MODE_SUPPORTED_r. If TKZ_MODE_SUPPORTED_s is equal to ‘1’, the mobile station shall store the tracking zone identifier (TKZ_ID_s = TKZ_ID_r).

The mobile station shall ignore any fields at the end of the ANSI-41 System Parameters Message that are not defined according to the protocol revision level (MOB_P_REV_p of the current band class) being used by the mobile station.