SimCom SIM7500 Series At Command Manual page 12

6.34 AT+CECWB Inhibit echo in the high band ..................................................................................... 144
6.35 AT+CNSN MIC NOISE suppression .............................................................................................. 145
6.36 AT+CNSLIM MIC NOISE suppression .......................................................................................... 145
6.37 AT+CFNSMOD Adjust parameter fnsMode of RX_VOICE_FNS ................................................. 146
6.38 AT+CFNSIN Adjust parameter fnsInputGain of RX_VOICE_FNS ............................................... 147
6.39 AT+CFNSLVL Adjust parameter fnsTargetNS of RX_VOICE_FNS ............................................. 148
6.40 AT+CECRX Enable or disable VOICE_MOD_ENABLE .............................................................. 149
6.41 AT+CNLPPG Modify the NLPP_gain in DSP ................................................................................ 150
6.42 AT+CNLPPL Modify the NLPP_limit in DSP ................................................................................ 150
6.43 AT+CECM Adjust echo canceller ................................................................................................... 151
6.44 AT+CPCMFRM Set usb audio sample rate to 16k bit .................................................................... 152
7 AT Commands for SMS ............................................................................................................... 154
7.1 AT+CSMS Select message service .................................................................................................. 154
7.2 AT+CPMS Preferred message storage ............................................................................................ 155
7.3 AT+CMGF Select SMS message format ......................................................................................... 157
7.4 AT+CSCA SMS service centre address ........................................................................................... 158
7.5 AT+CSCB Select cell broadcast message indication ...................................................................... 159
7.6 AT+CSMP Set text mode parameters .............................................................................................. 160
7.7 AT+CSDH Show text mode parameters .......................................................................................... 161
7.8 AT+CNMA New message acknowledgement to ME/TA ................................................................ 162
7.9 AT+CNMI New message indications to TE .................................................................................... 163
7.10 AT+CGSMS Select service for MO SMS messages ....................................................................... 165
7.11 AT+CMGL List SMS messages from preferred store ..................................................................... 166
7.12 AT+CMGR Read message .............................................................................................................. 170
7.13 AT+CMGS Send message ............................................................................................................... 174
7.14 AT+CMSS Send message from storage .......................................................................................... 175
7.15 AT+CMGW Write message to memory .......................................................................................... 176
7.16 AT+CMGD Delete message ............................................................................................................ 178
7.17 AT+CMGMT Change message status ............................................................................................. 179
7.18 AT+CMVP Set message valid period .............................................................................................. 180
7.19 AT+CMGRD Read and delete message .......................................................................................... 181
7.20 AT+CMGSEX Send message .......................................................................................................... 182
7.21 AT+CMSSEX Send multi messages from storage .......................................................................... 183
7.22 AT+CMGP Set cdma/evdo text mode parameters ........................................................................... 184
8 AT Commands for Phonebook ..................................................................................................... 186
8.1 AT+CPBS Select phonebook memory storage ................................................................................ 186
8.2 AT+CPBR Read phonebook entries ................................................................................................ 187
8.3 AT+CPBF Find phonebook entries ................................................................................................. 189
8.4 AT+CPBW Write phonebook entry ................................................................................................. 190
8.5 AT+CNUM Subscriber number ....................................................................................................... 191
9 AT Commands for GPRS ............................................................................................................. 193
9.1 AT+CGREG GPRS network registration status .............................................................................. 193
9.2 AT+CGATT Packet domain attach or detach .................................................................................. 194
SIM7500_SIM7600 Series_AT Command Manual_V1.07
Smart Machine Smart Decision
11 2017-12-25