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Neo_WM620 WCDMA Module AT Command Set

Copyright © Neoway Technology Co., Ltd

54

8 GPRS/3G Commands

8.1 Setting PDP Format: CGDCONT

Description

To set the PDP format of the GPRS/3G

Format



AT+CGDCONT=<cid> [,<PDP_type> [,<APN> [,<PDP_addr> [,<d_comp>
[,<h_comp> [,<pd1> [,…[,pdN]]]]]]]]<CR>



AT+CGDCONT?<CR>



AT+CGDCONT=?<CR>

Parameter

<cid>: (PDP Context Identifier) a numeric parameter that specifies a particular PDP
context definition. The parameter is local to the TE-MT interface and is used in other PDP
context-related commands. The range of permitted values (minimum value = 1) is returned
by the test form of the command.

<PDP_type>: (Packet Data Protocol type) a string parameter. IP Internet Protocol (IETF
STD 5)

<APN>: (Access Point Name) a string parameter which is a logical name that is used to
select the GGSN or the external packet data network. If the value is null or omitted, then
the subscription value will be requested.

<PDP_address>: a string parameter that identifies the MT in the address space applicable
to the PDP. If the value is null or omitted, then a value maybe provided by the TE during
the PDP startup procedure or, failing that, a dynamic address will be requested. The read
form of the command will continue to return the null string even if an address has been
allocated during the PDP startup procedure. The allocated address may be read using the
+CGPADDR command.

<d_comp>: a numeric parameter that controls PDP data compression (applicable for
SNDCP only)

0: off (default if value is omitted)

<h_comp>: a numeric parameter that controls PDP header compression

0: off (default if value is omitted)
<pd1>, … <pdN>: zero to N string parameters whose meanings are specific to the
<PDP_type>

Return
Value

See the Example.

Example

AT+CGDCONT=1,"IP", "CMNET"

OK

Set PDP format.

AT+CGDCONT?

+CGDCONT: 1,"IP","internet","",0,0

OK

Query current PDP format.

AT+CGDCONT=?

+CGDCONT: (1-16),"IP",,,(0-2),(0-3)

+CGDCONT: (1-16),"PPP",,,(0-2),(0-3)

Query the value range of the PDP format.

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Содержание Neo WM620

Страница 1: ...Neo_WM620 WCDMA Module AT Command Set Version 2 1...

Страница 2: ...users to use the WM620 This document is intended for system engineers SEs development engineers and test engineers The information in this document is subject to change without notice due to product v...

Страница 3: ...scription and remarks of the CLIENTSTATUS command Modified the return value description of the TCPPORT command Modified the return value description of the UDPPORT command 2013 12 18 V1 6 Modified the...

Страница 4: ...AT CPAS format and parameter description Added information about the software versions that support TCPCLOSE QCPDPP and HTTPS commands Added the return value 6 of the CFUN query format and its descrip...

Страница 5: ...SIGNAL 8 2 5 Enabling or Disabling the Sleep Mode ENPWRSAVE 9 2 6 Clock CCLK 10 2 7 Setting the Baudrate of the Module IPR 10 2 8 Entering the PIN Codes CPIN 11 2 9 Enabling PIN and Querying MT and Ne...

Страница 6: ...e CSMP 44 5 14 Displaying the Parameters of the Text Mode CSDH 45 6 Phonebook Commands 46 6 1 Selecting Phonebook Storage CPBS 46 6 2 Reading the Phonebook CPBR 46 6 3 Querying the Phonebook CPBF 47 6...

Страница 7: ...TIP 76 12 2 Setting TCP Listening for the Server TCPLISTEN 76 12 3 Closing the Listening Link CLOSELISTEN 77 12 4 Closing Connections with the Client CLOSECLIENT 77 12 5 Receiving Data from the Client...

Страница 8: ...e return values are varied with MNC EUSIM 0 for MNC 00 02 07 EUSIM 1 for MNC 01 06 EUSIM 2 for other MNC values EUSIM ERROR indicates that the module did not detect SIM card Remarks Users can determin...

Страница 9: ...GMI CGMI Neoway Corp Ltd OK Query the manufacturer information Remarks N A 1 2 Querying the Module Model CGMM Description To query the module model Format AT CGMM CR Parameter N A Return Value CR LF m...

Страница 10: ...LF soft_version CR LF OK CR LF Return Value manufacturer Manufacturer name module_version Module model soft_version Software version Example ATI NEOWAY WM620 V425 OK Manufacturer name Module model Sof...

Страница 11: ...above format since E9C33425 1 7 Querying the IMSI CIMI Description To query the international mobile subscriber identification IMSI Format AT CIMI CR Parameter N A Return Value CR LF IMSI CR LF CR LF...

Страница 12: ...gy Co Ltd 5 Return Value CR LF CCID ICCID CR LF CR LF OK CR LF Or CR LF ERROR CR LF Example AT CCID CR CCID 89860002190810001367 OK Read command AT CCID CR ERROR Read command The SIM card is not inser...

Страница 13: ...mmands 4 call in progress A call is going on and the module can execute AT commands 5 asleep low functionality Return Value CR LF CPAS pas CR LF CR LF OK CR LF or CR LF CME ERROR error CR LF Example A...

Страница 14: ...egistration stat 0 Unregistered The device is not searching for new carriers 1 Registered the local network 2 Unregistered The device is searching for base stations 3 The registration is rejected 4 Un...

Страница 15: ...MT before setting it to fun power level Return Value CR LF CFUN list of supported fun s list of supported rst s CR LF CR LF OK CR LF OR CR LF CME ERROR err CR LF Example AT CFUN 1 OK Set the module on...

Страница 16: ...the valid parameter value range Remarks The setting of this command can be saved after the module is powered off 2 5 Enabling or Disabling the Sleep Mode ENPWRSAVE Description To enable or disable the...

Страница 17: ...ock CCLK Description To set and query the real time clock Format AT CCLK time CR AT CCLK CR Parameter time Character string in format of YY MM DD hh mm ss TZ TZ Two digits indicating the time lag betw...

Страница 18: ...115200 2 8 Entering the PIN Codes CPIN Description To query the PIN status and enter the PIN codes Format AT CPIN pin newpin CR AT CPIN CR AT CPIN pin CR Parameter pin newpin string type values Return...

Страница 19: ...or interrogate an MT or a network facility Format AT CLCK fac mode passwd class CR AT CLCK CR Parameter fac OI Outgoing international calls AI All incoming calls IR Incoming calls when roaming outside...

Страница 20: ...LCK status class2 CR LF Example AT CLCK SC 2 CLCK 0 OK Query the SIM card status AT CLCK CLCK PF SC AO OI OX AI IR AB AG AC FD PN PU PP PC OK Query valid parameter value range AT CLCK SC 1 1234 OK EIN...

Страница 21: ...g international calls except to the home country AB All calling services AG All outgoing call services AC All incoming call services oldpwd Old password or code string type newpwd New password or code...

Страница 22: ...Parameter N A Return Value CR LF CEER report CR LF CR LF OK CR LF report The ME manufacturer provides the extended report about the following error causes Failure of the latest call initiate or answe...

Страница 23: ...err values Return Value See the Example Example AT CMEE 1 OK AT CSQ 1 CME ERROR 3 Enable the result code in digit format AT CMEE CMEE 0 1 2 OK Query the status range of error code AT CMEE CMEE 1 OK Q...

Страница 24: ...ta stream 2 Hardware Use CTS Clear To Send signal default Return Value See the Example Example AT IFC 1 1 OK Enable the software flow control AT IFC 2 2 OK Enable the hardware flow control AT IFC 0 0...

Страница 25: ...d can be saved after the module is powered off The setting of this commnd takes effective only after the module is restared 2 15 Querying the Network Standards Description To query or set the network...

Страница 26: ...O AT ERAT ERAT 0 2 0 2 OK Query the valid parameter value ranges AT ERAT ERAT 4 2 2 0 OK Query the current network standard Remarks The settings of this command will be saved after the module is power...

Страница 27: ...arameter N A Return Value CR LF CSQ signal ber CR LF CR LF OK CR LF signal The following table shows the relationship between the signal and the RSSI signal rssi 0 4 or 99 107 dBm or unknown 1 10 93dB...

Страница 28: ...automatic mode starts format 0 Long alphanumeric oper default value 1 Short format alphanumeric oper 2 Numeric oper oper It is given in format This field may be in 16 character long alphanumeric form...

Страница 29: ...n get the number 46001 Remarks When you try to query the current network selection parameters AcT is displayed only if the device supports UMTS AcT indicates the access technology of the manual attach...

Страница 30: ...ue See the Example Example AT CLVL 3 OK Set the volume of the module speaker to 3 AT CLVL CLVL 3 OK Query the current volume level of the module AT CLVL CLVL 0 6 OK Query the available value range of...

Страница 31: ...voice link For a voice link the dialing string consists of numbers and modifiers and must end with a semicolon Format ATD dial string CR ATD n CR ATD name CR Parameter dial string Phone number n The l...

Страница 32: ...T Dial a number The receiver answered the call ATD 4 OK SPEECH ON ALERTING CONNECT SPEECH OFF RELEASE NO CARRIER Use the index in the current phonebook to make a call ATD Comneon OK SPEECH ON ALERTING...

Страница 33: ...call is hung up on the other side during the call the command returns CR LF SPEECH OFF CR LF CR LF RELEASE CR LF CR LF NO CARRIER CR LF Example ATA SPEECH ON OK Answer the call Remarks N A 4 5 Hangin...

Страница 34: ...during a call 4 7 Auto Answer ATS0 Description To control the auto answer mode of the module Format ATS0 value CR ATS0 CR Parameter value Integers ranging from 0 to 255 If ATS0 is set to 0 auto answer...

Страница 35: ...F OK CR LF Example AT HANDFREE 0 OK Set to the earphone mode AT HANDFREE 1 OK Set to the handfree mode AT HANDFREE HANDFREE 0 OK The current mode is earphone mode Remarks Earphone mode by default 4 9...

Страница 36: ...DTMF KEY Rec 0 DTMF KEY Rec 9 AT DTMFDETECT 0 DTMF DETECT STOP OK ATH SPEECH OFF RELEASE OK Detect DTMF signals Remarks N A 4 10 MIC Volume Control MICL Description To set the level of the MIC volume...

Страница 37: ...ECHO CR AT ECHO CR Parameter mode 0 to 6 0 Vocoder Echo Cancellation Off 1 Ear Seal Echo Cancellation 2 Head Set Echo Cancellation 3 AEC 4 Speaker Echo Cancellation for car kit operation 5 Bluetooth e...

Страница 38: ...nable the echo cancellation function for the earphone Remarks Echo cancellation function is implemented through the audio match technology of the DSP chipset Obtain the echo delay parameter value by c...

Страница 39: ...41 SMS related AT commands support GSM07 05 Phase 2 mt mo bm 0 Not support 1 Support Return Value See the Example Example AT CSMS 1 CSMS 1 1 1 OK Set SMS AT commands to support GSM07 05 Phase 2 AT CSM...

Страница 40: ...s list of supported mem3 s CR LF CR LF OK CR LF Example AT CPMS SM CPMS 18 50 3 23 3 23 OK Set SM as the preferred SMS storage memory AT CPMS CPMS SM 18 50 ME 3 23 MT 3 23 OK Query the detailed infor...

Страница 41: ...at AT CSCS chest CR AT CSCS CR AT CSCS CR Parameter chset GSM Default GSM alphabet GSM03 38 6 2 1 IRA International reference alphabet ITU T T 50 UCS2 16 bit universal multiple octet coded character s...

Страница 42: ...ine data mode mt Set the format of the new SMS indication codes The default value is 0 0 SMS indication codes will not be sent to the TE 1 The format of the new SMS indication codes is CMTI MT index T...

Страница 43: ...3 0 2 0 1 2 0 1 OK Query the value ranges of the paramters AT CNMI CNMI 2 1 0 0 0 OK Query the current SMS indication mode Remarks SMS messages are classified into four classes based on the storing Cl...

Страница 44: ...sful CMGR stat alpha length CR LF pdu Example AT CMGR 1 CMGR REC READ 66421 11 09 13 16 37 59 32 050003140401E27778592EA7E7EBE9373C3C279BCF68F 59AADC78FED62779BA596D7EBAEB5B91EBD16A5D4 6C35F98406A744E...

Страница 45: ...ssages received REC UNREAD Read SMS messages received STO UNSENT Stored unsent SMS messages STO SENT Stored sent SMS messages ALL All SMS messages When you set AT CMGF 0 0 Unread SMS messages received...

Страница 46: ...3D56C375C0E1693CD6835DB0D9783A15C91D2E06BD AA558AC1F60C52B937CADCD2B747AA9021BDEC627E8 E9441BD42655DEF446 CMGL 44 REC UNREAD 8615719556937 11 09 30 03 00 55 32 5E7F4 E1C79FB52A863D0919260A8003A4E2D536...

Страница 47: ...10110F00000A7023119 OK Read SMS lists in PDU mode Read stored sent SMS messages AT CMGF 1 OK AT CMGL STO SENT CMGL 0 STO SENT 18777397945 hello CMGL 15 STO SENT 10010 hello CMGL 28 STO SENT 1581872417...

Страница 48: ...171 OK Send messge in text mode AT CMGS 33 CR 0891683108705505F001000B815118784271F20008146DF157 335E025B9D5B89533A59276D6A80545EFA Ctrl Z CMGS 119 OK Send message in PDU mode Remarks If you use UART...

Страница 49: ...Ctrl Z CMGW 1 OK Write message in PDU mode CMGF 0 Remarks The message status is set to stored unsent by default stat also supports other values such as stored unsent and stored sent 5 10 Sending Stor...

Страница 50: ...messages 2 Delete all read and sent SMS messages 3 Delete all read sent and unsent SMS messages 4 Delete all messages Return Value See the Example Example AT CMGD 3 OK Delete successfully AT CMGD CMGD...

Страница 51: ...ute time defining the end of the validity period Format AT CSMP fo vp pid dcs CR AT CSMP CR Parameter fo Determined by the command or the first 8 bits of the result code GSM 03 40 SMS DELIVER SMS SUBM...

Страница 52: ...r display Return Value See the Example Example AT CSDH 0 OK AT CMGR 14 CMGR REC READ 8613430981504 09 07 17 14 49 00 50 7B5675655FAE5C0F65F6501 9 OK Set the header information not to display AT CSDH 1...

Страница 53: ...ls list DC MT dialled calls list FD SIM USIM fixdialling phonebook ON SIM own numbers MSISDNs list Return Value CR LF CPBS storage used total CR LF CR LF OK CR LF used Used count total Total count Exa...

Страница 54: ...y command Select TE Character Set CSCS CPBR list of supported index s nlength tlength nlength Integer type value indicating the maximum length of field number tlength Integer type value indicating the...

Страница 55: ...lues in the range of location numbers of phonebook memory number string type phone number of format type type type of address text the phone book entry name string type field of maximum length tlength...

Страница 56: ...WCDMA Module AT Command Set Copyright Neoway Technology Co Ltd 49 AT CPBR 1 CME ERROR not found Read the contact of index 1 Remarks Preconfigure the TE character set Otherwise names cannot be input su...

Страница 57: ...of forwarding address in format specified by type type type of address subaddr string type subaddress of format specified by satype satype type of subaddress octet in integer format refer TS 24 008 8...

Страница 58: ...CFC 0 1 2 3 4 5 OK Query the parameter value range of call forwarding settings AT CCFC 0 1 OK Enable unconditional call forwarding AT CCFC 0 2 CCFC 1 1 8615688346754 145 OK Query unconditional call fo...

Страница 59: ...d command successful CCWA status class1 CR LF CCWA status class2 Example AT CCWA 1 1 OK Set call waiting and enable callee ID display AT CCWA CCWA 0 1 OK Query the value range of the parameter n AT CC...

Страница 60: ...xample Example AT CHLD 0 OK Release all held calls ATD10010 OK SPEECH ON ALERTING CONNECT AT CHLD 11 SPEECH OFF RELEASE OK Release first call AT CHLD CHLD 0 1 1x 2 2x 3 4 OK Query the value range of t...

Страница 61: ...bscription value will be requested PDP_address a string parameter that identifies the MT in the address space applicable to the PDP If the value is null or omitted then a value maybe provided by the T...

Страница 62: ...Neo_WM620 WCDMA Module AT Command Set Copyright Neoway Technology Co Ltd 55 OK Remarks N A...

Страница 63: ...e Authentication type 0 NONE 1 PAP 2 CHAP pwd password user user name Return Value See the Example Example AT QCPDPP 3 0 OK Set the authentication to NONE AT QCPDPP 2 2 1234 OK Set the authentication...

Страница 64: ...ot set user name 9 2 Setting Up a PPP Link XIIC Description To set up a PPP link Format AT XIIC act CR AT XIIC CR Parameter act 1 Activate the PPP connection 0 Deactivate the PPP connection Return Val...

Страница 65: ...ing Remarks All TCP UDP sockets are unavailable after the connection is closed You need to reconnect them This command is supported by E8C33419 and later versions 9 4 Setting Up TCP Connection TCPSETU...

Страница 66: ...00 OK TCPSETUP 2 FAIL Failed to set up the connection to 192 168 20 6 7000 on socket 2 The server is probably not started the IP address is incorrect or the SIM card is out of credit AT TCPSETUP 66 19...

Страница 67: ...10 Hexadecimal ASCII data is successfully sent through socket 0 Select HEX when sending data AT TCPSEND 0 1 TCPSEND SOCKET ID OPEN FAILED 1 byte data fails to be sent via socket 0 because the connect...

Страница 68: ...le AT TCPCLOSE 1 OK TCPCLOSE 1 OK The TCP connection on socket 1 is closed successfully AT TCPCLOSE TCPCLOSE 0 5 OK Query the value range of socket numbers that TCP link is closed AT TCPCLOSE 99 TCPCL...

Страница 69: ...4 213 10405 1 OK UDPSETUP 0 OK IPURCREAD 0 AT IPNETREAD 0 1024 IPREAD 0 10 1234567890 OK Set up a connection to 58 60 184 213 10405 on socket 0 Socket 0 receives data Read data buffered in socket 0 AT...

Страница 70: ...input The module returns ERROR Remarks Ensure that the UDP link has been set up before sending UDP data 9 10 Receiving UDP Data UDPRECV Description To receive UDP data Format UDPRECV n length data CR...

Страница 71: ...P UDP connection status Format AT IPSTATUS n CR Parameter n Socket number ranging from 0 to 5 Return Value IPSTATUS n status type n Socket number ranging from 0 to 5 status Connection status value CON...

Страница 72: ...ving mode is manual reading Socket 0 receives data Read data received and buffered by socket 0 Read 10 byte data Data content IPURCREAD 0 AT IPNETREAD 0 5 IPNETREAD 0 5 12345 OK AT IPNETREAD 0 5 IPNET...

Страница 73: ...ted data incoming report Format CR LF IPURCREAD n CR LF Parameter n Socket number ranging from 0 to 5 Return Value N A Example AT TCPSETUP 0 58 60 184 213 10405 1 OK TCPSETUP 0 OK IPURCREAD 0 Set up a...

Страница 74: ...ranging from 0 to 5 Return Value TCPACK n data_sent acked_recv data_sent Data successfully sent through this socket acked_recv Data acknowledged by the receiver TCPACK n DISCONNECT No connection is se...

Страница 75: ...opened and does not allow new port number Remarks This command should have been executed before the AT TCPSETUP command is executed If you do not use this command the local port ID will be allocated d...

Страница 76: ...set up 9 18 Setting Socket Timeout Parameter SSTP Description To obtain the port ID of the socket on the module Format AT GETPORT socket Parameter socket socket ID Return Value GETPORT n typet port n...

Страница 77: ...e website URL to be queried in form of www xxxx com or www xxxx com Return Value N A Example AT DNS www baidu com OK DNS 61 135 169 105 Query the IP address of www baidu com The module returns the IP...

Страница 78: ...xecuted completely FTPLOGIN User logged in The user logged in to the FTP server successfully FTPLOGIN 530 Not logged in The user failed to log in to the FTP server because the user account or password...

Страница 79: ...FTPLOGOUT CR Parameter N A Return Value See the Example Example AT FTPLOGOUT FTPLOGOUT User logged out OK Log out from the FTP server Remarks N A 11 3 Downloading Data from the FTP Server FTPGET Desc...

Страница 80: ...or for other causes The module returns this message whenever the control link is disconnected You need to connect to the FTP server again by running the AT FTPLOGIN command Example AT FTPGET 1 2 FTPGE...

Страница 81: ...end of the file 3 DELE mode Delete a file size Data length The data length cannot exceed 1024 Return Value FTPPUT Error The format of the AT command is incorrect FTPPUT Error Not Login The user has n...

Страница 82: ...status ip port status 0 The FTP link has not been set up 1 The FTP link has been set up ip The IP address of the FTP server port The port of the FTP server Example AT FTPSTATUS FTPSTATUS 1 119 139 221...

Страница 83: ...supporting three client links Format AT TCPLISTEN port recv_mode CR AT TCPLISTEN CR AT TCPLISTEN CR Parameter Port Port ID ranging from 1 to 65535 recv_mode Data receiving mode The default value is 0...

Страница 84: ...addresses can be used as servers Parameter recv_mode is supported by E9C33424 and later versions recv_mode specified in this command controls the data receiving mode of the connection set up by Conne...

Страница 85: ...t TCPRECV S Description To receive data from the client Format TCPRECV S socket length data Parameter N A Return Value See the Example Example TCPRECV S 1 10 1234567899 Socket 1 receives data from the...

Страница 86: ...at AT CLIENTSTATUS socket Parameter socket The value of AcceptSocket that is the socket of the module See the description of the AT TCPLISTEN command Return Value CLIENTSTATUS socket CONNECT or DISCON...

Страница 87: ...PARA url mybank icbc com cn icbc perbank index jsp OK Set the ICBC login page as the URL The URL supports domain name translation AT HTTPSPARA url 132 188 73 13 prodreg beginRegistration action OK Set...

Страница 88: ...port ID correctly Ensure PPP connection has been set up succesfully before an HTTPS link is set up This command is supported by E9C33424 and later versoins 13 3 Executing HTTPS Request HTTPSACTION Des...

Страница 89: ...SCLOSE Link Closed GET request Receive the request from the HTTPS server The server responded and then disconnected the link AT HTTPSPARA url support cdmatech com login OK AT HTTPSPARA port 443 OK AT...

Страница 90: ...h 10 CRLF custom header information Content Type application x www form urlencoded CRLF custom header information CRLF CRLF Information to be sent HTTPSRECV homepage content html format homepage conte...

Страница 91: ...Control private Content Length 13842 Content Type text html charset utf 8 Server Microsoft IIS 7 5 Set Cookie ASP NET_SessionId pvlaai3fizxg44eyvyqsyenk path HttpOnly X AspNet Version 2 0 50727 X Powe...

Страница 92: ...n 6 Inversion of every two bits add F if the bits are not sufficient in the recipient number For example 13421839693 should be 3124819396F3 after conversion 7 0008 8 The hexadecimal length of the SMS...

Страница 93: ...s an example of the PDU message whose SMSC address length is 0 0001000B813124819396F300080A00680065006C006C006F Wherein 00 SMSC address information length 0100 0B the length of the recipient number 81...

Страница 94: ...text mode AT CMGF 1 OK Configure the TE character set AT CSCS GSM OK Send an SMS message AT CMGS 13430981508 Content of the message to be sent Shenzhen Neoway Technology Return value CMGS 116 OK End E...

Страница 95: ...U mode AT CMGF 0 OK Configure TE character set AT CSCS UCS2 OK Send an SMS message AT CMGS 23 CR Content of the message to be sent 0891683110808805F001000B813124819396F3 00080A00680065006C006C006F Ret...

Страница 96: ...Neo_WM620 WCDMA Module AT Command Set Copyright Neoway Technology Co Ltd 89 A 4 Flowchart of AT Commands to Establish TCP Link Figure A 3 Flowchart of usingAT commands to establish TCP link...

Страница 97: ...IM card is inserted or the card socket works properly 1 Power on the module 2 EIND 128 indicates that the module is ready OK There is signal Not registered CREG 0 1 CREG 0 5 AT CMGF 1 r AT CSCS GSM r...

Страница 98: ...ce is set to AT CNMI 2 2 0 0 0 for example CMT 8615013473810 2012 09 15 15 20 32 32 Neoway Technology the message is directly displayed and you do not have to run the next command 10 Relevant function...

Страница 99: ...s ready Return OK There is signal Not register the netwrok Register the netwrok AT CMGF 1 r AT CSCS GSM r Return OK Return ERROR Return ERROR Return OK Send a text message 7 Set the SMS mode Note AT C...

Страница 100: ...OK Enter the AT CMGS 13430981508 command and press Enter r When is displayed enter the message content Shenzhen and press Ctrl Z character 0x1A to sent the message Notice mode of new messages AT CNMI...

Страница 101: ...e all messages AT CMGD 0 4 AT CMGD 0 4 OK Delete SMS messages as required For details see the AT commands Query the number of SMS messages AT CPMS AT CPMS CPMS SM 1 50 SM 1 50 MT 1 50 OK 1 Indicates t...

Страница 102: ...ERROR check whether the SIM card is inserted or the card socket works properly 5 Query the signal quallity 6 Query the network registration status If the module returns CREG 0 1 or CREG 0 5 the SIM ca...

Страница 103: ...FTPLOGIN Have Logged In You have logged in to the FTP server FTPLOGIN User logged in You log in to the FTP server successfully If you failed to log in to the FTP server check whether the parameters a...

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