WM620 AT
Command Manual
Copyright © Neoway Technology Co., Ltd
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4.3 Selecting Audio Channel: +SPEAKER ....................................................................................... 37
4.4 Dialing Command: ATD .............................................................................................................. 38
4.5 Call Answering: ATA ................................................................................................................... 40
4.6 Hanging Up Calls: ATH .............................................................................................................. 41
4.7 Caller ID: +CLIP ......................................................................................................................... 41
4.8 Sending DTMF Tone: +VTS ....................................................................................................... 42
4.9 Auto-Answer: ATS0 .................................................................................................................... 43
4.10 Handfree Switch: +HANDFREE ............................................................................................... 43
4.11 Starting the DTMF Detection: +DTMFDETECT ....................................................................... 44
4.12 MIC Volume Control: +MICL .................................................................................................... 45
4.13 Echo Control: +ECHO .............................................................................................................. 46
4.14 Sending USSD Data: +CUSD .................................................................................................. 47
5 SMS Commands .................................................................................... 49
5.1 Selecting SMS Services: CSMS ................................................................................................ 49
5.2 Setting Preferred SMS Storage: +CPMS ................................................................................... 50
5.3 Setting SMS Inputting Mode: +CMGF........................................................................................ 51
5.4 Setting the TE Character Set: +CSCS ....................................................................................... 52
5.5 Setting the New Message SMS Indications Mode: +CNMI ....................................................... 52
5.6 Reading SMS Messages: +CMGR ............................................................................................ 54
5.7 SMS Message List: +CMGL ....................................................................................................... 57
5.8 Sending SMS Messages: +CMGS ............................................................................................. 60
5.9 Writing SMS Messages: +CMGW .............................................................................................. 61
5.10 Sending Stored SMS Messages: +CMSS ............................................................................... 62
5.11 Deleting SMS Messages: +CMGD........................................................................................... 63
5.12 Setting the SMSC Number: +CSCA ......................................................................................... 64
5.13 Setting the Parameters of Text Mode: +CSMP ........................................................................ 64
5.14 Displaying the Parameters of Text Mode: +CSDH ................................................................... 65
6 Phonebook Commands .......................................................................... 67
6.1 Selecting Phonebook Storage: +CPBS...................................................................................... 67
6.2 Reading the Phonebook: +CPBR .............................................................................................. 68
6.3 Querying the Phonebook: +CPBF .............................................................................................. 69
6.4 Writing Information to the Phonebook: +CPBW ......................................................................... 70
7 Supplementary Service Commands ....................................................... 71
7.1 Call Forwarding: +CCFC ............................................................................................................ 71
7.2 Call Waiting: +CCWA ................................................................................................................. 73
7.3 Call Holding and Multi-party Conversation: +CHLD ................................................................... 74
8 GPRS/3G Commands ............................................................................ 76
8.1 Setting PDP Format: CGDCONT ............................................................................................... 76
9 TCP/UDP Data Service .......................................................................... 78
9.1 Setting PDP Authentication: $QCPDPP ..................................................................................... 78
9.2 Setting Up a PPP Connection: +XIIC ......................................................................................... 79
9.3 Querying the PPP Connection Status: +PPPSTATUS ............................................................... 80
9.4 Setting Heartbeat Packet: + TCPKEEPALIVE ........................................................................... 81
9.5 Setting Up TCP Connection: +TCPSETUP ................................................................................ 83
9.6 Sending TCP Data: +TCPSEND ................................................................................................ 84
9.7 Receiving TCP Data: +TCPRECV ............................................................................................. 85
