Qualcomm MSM proprietary commands:
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+CGDSCONT          extension to +cgdcont
+CGTFT
+CGEQREQ           extension to +cgqreq
+CGEQMIN           extension to +cgqmin
+CGSMS
+CSAS
+CRES
+CSMP
+FDD
+FAR
+FCL
+FIT
+ES
+ESA
+CVHU
+HSDPA
+SIMVOLT
+TTYMODE
+EONS
+pref_UARFCN
+HTCmaskW1
+VKK_SIM_EXPIRED
+ISIMS
+ISIMA
+ISIMR
+QEXTONE
+HTCAGPS
+CUS_SBM
+CUS_EM
+MEMFULL
+CPIN              send PIN1/PUK1
+CPINC             get pin counter
+CPIN2             send PIN2/PUK2
+CMEC
+CKPD
+CGCMOD
+CGAATT
+BANDSET           manually select GSM band
+COPSLAC
+ALS               alternate line select
+ODEN
+HTCPDPIDLE
+CHZ
+CPPP
+CALLREJECT        send 'busy' signal without dropping other calls
+RXD
+EQ
+MAXPWR
+L1OPT
+ENCSQ
+HTCCNIV           enable extended operator name report URC
+QBANDCAP
+PHSM
+HTCNV
+HTCENS
+CPLS
+HTCCTZR           extension to +CTZR
+CDIP
+SIMTYPE
+CPBC
+CSDN
+GIMG
+GEVL
+RADIOVER
+CCSQ
+DMODE
$QCCNMI
$QCCLR
$QCDMG
$QCDMR
$QCDNSP
$QCDNSS
$QCTER
$QCSLOT
$QCPINSTAT
$QCPDPP
$QCPDPLT
$QCPWRDN
$QCSIMSTAT
$QCDGEN
$BREW
$FTM
$GSM
$GPRS
$AMR
$3G_RESEL_PARA
$2G_RESEL_PARA
$3G_RESEL_STATUS
$2G_RESEL_STATUS
$WCDMA
$L3_RRC_SIGNAL
$PRACH_RACH_INFO
$3G_DCH_STATUS_A
$3G_DCH_STATUS_M
$3G_DCH_STATUS_D
$3G_NEIGHBOR_ST
$3G_NEIGHBOR_ST_2
$3G_BLER_STATUS
$3G_DL_TF_STATUS
$3G_DL_TF_STATUS_2
$3G_DL_TF_STATUS_3
$3G_UL_TF_STATUS
$3G_DL_RLC_AM_ST
$3G_UL_RLC_AM_ST
$HSDPA_CQI_STATUS
$3G_AGC_STATUS
$3G_RESEL_EVENT
$3G_DL_TF_COMB_ST
$3G_DL_TF_COMB_ST_2
$3G_DL_TF_COMB_ST_3
$HSUPA_STATUS
$VTS
$QCSYSMODE
