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SBP 156 in the MediaTek modem firmware of CD1A.261005.003.

Header
Builda900a-MP_260716-260716-M-158803482026.0716.2351092.2532.00.0
SBP156
Item tablea900a-MP_260716-260716-M-15880348
Loaded byits SBP id, which the modem sets for the SIM; a PLMN in its selection is one its records apply to, not every SIM it loads for
Record flags1 (9 records)
Selected by (1)

The SIMs the modem loads this configuration for.

Which SIMsMCC-MNC
any SIM21601, 28405, 29701
Settings (7)

IMS (5)

lid:0x541/3201 = 3000
32-bit
lid:0x542/7912 = 1
8-bit
lid:0x543/6510
8-bit
216-01 = 0
284-05 = 0
lid:0x543/6520
8-bit
216-01 = 1
284-05 = 1
lid:0x543/6522
8-bit
297-01 = 0

SBP (2)

SBP_IMS_ENABLE_OP156_FEATURE = 1
1-bit fieldlid:0x3c0/35304
SBP_D2_SET_OPERATOR_BACKOFF_TIME_VALUE = 25
8-bit fieldlid:0x3c1/28976