Sending SMS using AT Commands via GSM Modem/GSM Phone (receiving SMS-updated)

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SIM300 AT Command Set SOFTWARE SPECIFICATION SIM300 AT Command Set Confidential Designed by SIMCOM SIM300_AT_V1.06 Page 2 of 185 Document Name: SIM300 AT Commands Set Version: 01.06 Date: 2006-10-16 DocId: SIM300_ATC_V1.06 Status: Release General Notes Simcom offers this information as a service to its customers, to support application and engineering efforts that use the products designed by Simcom. The information provided is based upon requirements specifically provided to Simcom by the customers. Simcom has not undertaken any independent search for additional relevant information, including any information that may be in the customer’s possession. Furthermore, system validation of the product designed by Simcom within a larger electronic system remains the responsibility of the customer or the customer’s system integrator. All specifications supplied herein are subject to change. Copyright This document contains proprietary technical information which is the property of SIMCOM Limited., copying of this document and giving it to others and the using or communication of the contents thereof, are forbidden without express authority. Offenders are liable to the payment of damages. All rights reserved in the event of grant of a patent or the registration of a utility model or design. All specification supplied herein are subject to change without notice at any time. Copyright © SIMCOM Limited. 2004 SIM300 AT Command Set Confidential Designed by SIMCOM SIM300_AT_V1.06 Page 3 of 185 0 Version History Preceding document: “SIM300 AT Interface Description” Version 1.05 Now document: “SIM300 AT Interface Description” Version 1.06 Version Chapter What is new V1.01 4.3 4.2.4at+cmgr 7.1 Add new commands: AT+SMALPHAID AT+SMEXTRAINFO AT+SMEXTRAUNSOL Add a new parameter Remove AT+CGMSCLASS in the overview V1.02 7.2.9 at+csns 7.2.25 at+ceng 3.2.15 at+chld Change CSNS mode 2 to FAX and 4 to data Change the parameter to Change the definition “1X Terminate the active call number X (X= 1-7)” to “1X Terminate the specific call number X (X= 1-7)( active, waiting or held)” V1.03 8.2.23at+cipmode 8.2.24at+cipccfg Select TCPIP Application Mode Configure transparent transfer mode V1.04 7.2.1 at+ echo 7.2.28 at+ hgprs 7.2.29 at+ cmte 7.2.30 at+ csdt Change the value of the parameter Add new commands: AT+HGPRS AT+CMTE AT+CSDT V1.05 2.2.44 at+ilrr 2.2.45 at+ipr 10.1Profile Commands 7.2.31 at+cmgda 7.2.32 at+simtone 7.2.33 at+ccpd 3.2.19 at+clck 3.2.31 at+cpwd 7.2.34 at+cgid Add a new value of IPR(0) Add a new value of IPR and some information (refer to 2.2.45.1) about it Delete some invalid information about +cfun Add this command Add this command Add this command Add a new value PF Add some new value: PS and PF Add this command V1.06 1.5 2.2.2 ata 2.2.3 atd 2.2.6 atd> 2.2.21 ats6 2.2.22 ats7 2.2.24 ats10 2.2.26 atv 2.2.27&2.2.29& .2.30 Modify the SIM300 AT command interface defaults Modify the description of 2.2.2 ata and 2.2.3 atd Modify the description of atd> Modify the parameter range from 0 to 10 Modify the parameter range from 1 to 255 Modify the parameter range to 1-254 and revise carries to carrier Add a table to describe result codes and their numeric equivalents Modify the description of 2.2.27 atx, 2.2.29 at&c and 2.2.30 of at&d SIM300 AT Command Set Confidential Designed by SIMCOM SIM300_AT_V1.06 Page 4 of 185 2.2.35 at+ds 2.2.36 at+gcap 2.2.43 at+ifc 2.2.45 at+ipr 3.2.2&3.2.4&3.2.14 3.2.11 at+gmr 3.2.18 at+clcc 3.2.19 at+clck 3.2.20 at+clip 3.2.24 at+cops 3.2.25 At+cpas 3.2.28 & 3.2.29 3.2.31 at+cpwd 3.2.34 at+creg 3.2.35 at+crlp 3.2.37&3.2.38&3.2.39 3.2.42 At+vtd 3.2.44 & 3.2.45 3.2.52&3.2.53&3.2.55 3.2.57 at+cbc 3.2.59 At+cssn 4.2.9 at+cnmi 7.2.3 at+cpowd 7.2.11 & 7.2.16 7.2.18 & 7.2.19 7.2.22 at+chf 7.2.23 at+chfa 7.2.26 at+sclass0 7.2.27 & 7.2.28 7.2.32 at+simtone 7.2.35 at+moring 8.2.2 & 8.2.3 8.2.4 at+cipshut 8.2.6 at+cstt 8.2.7 at+ciicr 8.2.8 & 8.2.9 8.2.10 & 8.2.11 8.2.13 at+ciphead 8.2.17 & 8.2.18 8.2.19 & 8.2.20 8.2.21& 8.2.22 8.2.23 & 8.2.24 Modify the value range of parameters Add the description of +CGSM, +FCLASS, +DS Modify the parameter 2 of dce_by_dte and dte_by_dce Add 14400 baud rate Modify the description of 3.2.3 at+camm, 3.2.4 at+cbst and 3.2.14at+csta Modify the format of firmware version name Instead ALPHA parameter to quotation mark Add new parameter of “FD” and “BN” and new value PF Add parameter to CLIP string to indicate the validity of CLI Add short alphanumeric to at+cops=? Command Change incoming to ringing Modify the description of 3.2.28 at+cpbs and 3.2.29 at+cpbw Add new parameters of “FD” and “BN”, remove parameter of “PF” Add URC strings description if creg is set to 2 Modify the value range of parameters Modify the description of 3.2.37 at+csq,3.2.38 at+fclass and 3.2.39 at+fmi Remove parameter of 0 Modify the description of 3.2.44 at+cmux 3.2.45 at+cnum Modify the description of 3.2.52at+crsl, 3.2.53 at+clvl and 3.2.55 at+cpuc Add parameter 2 to indicate charge progress is completed Add CSSI and CSSU description of AT+CSSN Remove the value 1 of parameter Add a new parameter 0 to this at command Modify the description of 7.2.11 at+cmod , 7.2.16 at+csmins Modify the description of 7.2.18 at+cdrind and 7.2.19 at+cspn Add test Command of at+chf Modify the parameter of at+chfa Modify the description of at+sclass0 Modify the description of 7.2.27 at+ccid 7.2.28 at+hgprs Change the frequency range from 4000 to 50000 Add this AT command Modify the description of 8.2.2 at+cipsend and 8.2.3 at+cipclose Modify at+cipshut Modify the overview of at+cstt Modify the description of 8.2.7 at+ciicr Modify the description of 8.2.8 at+cifsr and 8.2.9 at+cipstatus Modify the description of 8.2.10 at+cdnscfg and 8.2.11 at+cdnsgip Modify the overview of at+ciphead Modify the description of 8.2.17 at+cipcsgp and 8.2.18 at+cipccon Modify the overview of 8.2.19 at+cipflp and 8.2.20 at+cipsrip Modify the parameter of 8.2.21 at+cipdpdp and 8.2.22 at+cipscont Modify the description of 8.2.23 at+cipmode and 8.2.24 at+cipccfg SIM300 AT Command Set Confidential Designed by SIMCOM SIM300_AT_V1.06 Page 5 of 185 1 Introduction 1.1 Scope of the document This document presents the AT Command Set for SIMCOM cellular engine SIM300 1.2 Related documents You can visit the SIMCOM Website using the following link: http://www.simcom-sh.com SIM300 AT Command Set Confidential Designed by SIMCOM SIM300_AT_V1.06 Page 6 of 185 1.3 Conventions and abbreviations In this document, the GSM engines are referred to as following term: 1) ME (Mobile Equipment); 2) MS (Mobile Station); 3) TA (Terminal Adapter); 4) DCE (Data Communication Equipment) or facsimile DCE(FAX modem, FAX board); In application, controlling device controls the GSM engine by sending AT Command via its serial interface. The controlling device at the other end of the serial line is referred to as following term: 1) TE (Terminal Equipment); 2) DTE (Data Terminal Equipment) or plainly “the application” which is running on an embedded system; 1.4 AT Command syntax The "AT" or "at" prefix must be set at the beginning of each command line. To terminate a command line enter . Commands are usually followed by a response that includes.”” Throughout this document, only the responses are presented, are omitted intentionally. The AT command set implemented by SIM300 is a combination of GSM07.05, GSM07.07 and ITU-T recommendation V.25ter and the AT commands developed by SIMCOM. Note: Only enter AT command through serial port after SIM300 is power on and Unsolicited Result Code “RDY” is received from serial port. And if unsolicited result code”SCKS: 0” returned it indicates SIM card isn’t present. If autobauding is enabled, the Unsolicited Result Codes “RDY” and so on are not indicated when you start up the ME All these AT commands can be split into three categories syntactically: “basic”, “S parameter”, and “extended”. These are as follows: 1.4.1 Basic syntax These AT commands have the format of “AT”, or “AT&”, where “”is the command, and “”is/are the argument(s) for that command. An example of this is “ATE”, which tells the DCE whether received characters should be echoed back to the DTE according to the value of “”. “” is optional and a default will be used if missing. 1.4.2 S parameter syntax These AT commands have the format of “ATS=”, where “” is the index of the S register to set, and “”is the value to assign to it. “” is optional; if it is missing, then a default value is assigned. SIM300 AT Command Set Confidential Designed by SIMCOM SIM300_AT_V1.06 Page 7 of 185 1.4.3 Extended Syntax These commands can operate in several modes, as following table: Table 1: Types of AT commands and responses Test command AT+=? The mobile equipment returns the list of parameters and value ranges set with the corresponding Write command or by internal processes. Read command AT+? This command returns the currently set value of the parameter or parameters. Write command AT+=…> This command sets the user-definable parameter values. Execution command AT+ The execution command reads non-variable parameters affected by internal processes in the GSM engine 1.4.4 Combining AT commands on the same command line You can enter several AT commands on the same line. In this case, you do not need to type the “AT” or “at” prefix before every command. Instead, you only need type “AT” or “or” at the beginning of the command line. Please note to use a semicolon as command delimiter. The command line buffer can accept a maximum of 256 characters. If the characters entered exceeded this number then none of the command will executed and TA will returns “ERROR”. 1.4.5 Entering successive AT commands on separate lines When you need to enter a series of AT commands on separate lines, please note that you need to wait the final response (for example OK, CME error, CMS error) of last AT command you entered before you enter the next AT command. 1.5 Supported character sets The SIM300 AT command interface defaults to the IRA character set. The SIM300 supports the following character sets: • GSM format • UCS2 • HEX • IRA • PCCP437 • PCDN • 8859_1 The character set can be set and interrogated using the “AT+CSCS” command (GSM 07.07). The character set is defined in GSM specification 07.05. SIM300 AT Command Set Confidential Designed by SIMCOM SIM300_AT_V1.06 Page 8 of 185 The character set affects transmission and reception of SMS and SMS Cell Broadcast messages, the entry and display of phone book entries text field and SIM Application Toolkit alpha strings. 1.6 Flow control Flow control is very important for correct communication between the GSM engine and DTE. For in the case such as a data or fax call, the sending device is transferring data faster than the receiving side is ready to accept. When the receiving buffer reaches its capacity, the receiving device should be capable to cause the sending device to pause until it catches up. There are basically two approaches to achieve data flow control: software flow control and hardware flow control. SIM300 support both two kinds of flow control. In Multiplex mode, it is recommended to use the hardware flow control. 1.6.1 Software flow control (XON/XOFF flow control) Software flow control sends different characters to stop (XOFF, decimal 19) and resume (XON, decimal 17) data flow. It is quite useful in some applications that only use three wires on the serial interface. The default flow control approach of SIM300 is hardware flow control (RTS/CTS flow control), to enable software flow control in the DTE interface and within GSM engine, type the following AT command: AT+IFC=1, 1 This setting is stored volatile, for use after restart, AT+IFC=1, 1 should be stored to the user profile with AT&W. Ensure that any communications software package (e.g. ProComm Plus, Hyper terminal or WinFax Pro) uses software flow control. NOTE: Software Flow control should not be used for data calls where binary data will be transmitted or received (e.g. TCP/IP) as the DTE interface may interpret binary data as flow control characters. 1.6.2 Hardware flow control (RTS/CTS flow control) Hardware flow control achieves the data flow control by controlling the RTS/CTS line. When the data transfer should be suspended, the CTS line is set inactive until the transfer from the receiving buffer has completed. When the receiving buffer is ok to receive more data, CTS goes active once again. To achieve hardware flow control, ensure that the RTS/CTS lines are present on your application platform. SIM300 AT Command Set Confidential Designed by SIMCOM SIM300_AT_V1.06 Page 9 of 185 2 AT Commands According to V.25TER These AT command are designed according to the ITU-T (International Telecommunication Union, Telecommunication sector) V.25ter document. 2.1 Overview of AT Commands According to V.25TER Command Description A/ RE-ISSUES LAST AT COMMAND GIVEN ATA ANSWER AN INCOMING CALL ATD MOBILE ORIGINATED CALL TO DIAL A NUMBER ATD> ORIGINATE CALL TO PHONE NUMBER IN MEMORY ATD> ORIGINATE CALL TO PHONE NUMBER IN CURRENT MEMORY ATD> ORIGINATE CALL TO PHONE NUMBER IN MEMORY WHICH CORRESPONDS TO FIELD ATDL REDIAL LAST TELEPHONE NUMBER USED ATE SET COMMAND ECHO MODE ATH DISCONNECT EXISTING CONNECTION ATI DISPLAY PRODUCT IDENTIFICATION INFORMATION ATL SET MONITOR SPEAKER LOUDNESS ATM SET MONITOR SPEAKER MODE +++ SWITCH FROM DATA MODE OR PPP ONLINE MODE TO COMMAND MODE ATO SWITCH FROM COMMAND MODE TO DATA MODE ATP SELECT PULSE DIALLING ATQ SET RESULT CODE PRESENTATION MODE ATS0 SET NUMBER OF RINGS BEFORE AUTOMATICALLY ANSWERING THE CALL ATS3 SET COMMAND LINE TERMINATION CHARACTER ATS4 SET RESPONSE FORMATTING CHARACTER ATS5 SET COMMAND LINE EDITING CHARACTER ATS6 SET PAUSE BEFORE BLIND DIALLING ATS7 SET NUMBER OF SECONDS TO WAIT FOR CONNECTION COMPLETION ATS8 SET NUMBER OF SECONDS TO WAIT WHEN COMMA DIAL MODIFIER USED ATS10 SET DISCONNECT DELAY AFTER INDICATING THE ABSENCE OF DATA CARRIER SIM300 AT Command Set Confidential Designed by SIMCOM SIM300_AT_V1.06 Page 10 of 185 ATT SELECT TONE DIALLING ATV SET RESULT CODE FORMAT MODE ATX SET CONNECT RESULT CODE FORMAT AND MONITOR CALL PROGRESS ATZ SET ALL CURRENT PARAMETERS TO USER DEFINED PROFILE AT&C SET DCD FUNCTION MODE AT&D SET DTR FUNCTION MODE AT&F SET ALL CURRENT PARAMETERS TO MANUFACTURER DEFAULTS AT&V DISPLAY CURRENT CONFIGURATION AT&W STORE CURRENT PARAMETER TO USER DEFINED PROFILE AT+DR V.42BIS DATA COMPRESSION REPORTING CONTROL AT+DS V.42BIS DATA COMPRESSION CONTROL AT+GCAP REQUEST COMPLETE TA CAPABILITIES LIST AT+GMI REQUEST MANUFACTURER IDENTIFICATION AT+GMM REQUEST TA MODEL IDENTIFICATION AT+GMR REQUEST TA REVISION INDENTIFICATION OF SOFTWARE RELEASE AT+GOI REQUEST GLOBAL OBJECT IDENTIFICATION AT+GSN REQUEST TA SERIAL NUMBER IDENTIFICATION (IMEI) AT+ICF SET TE-TA CONTROL CHARACTER FRAMING AT+IFC SET TE-TA LOCAL DATA FLOW CONTROL AT+ILRR SET TE-TA LOCAL RATE REPORTING MODE AT+IPR SET TE-TA FIXED LOCAL RATE 2.2 Detailed Description of AT Commands According to V.25TER 2.2.1 A/ Reissues the last command given A/ Reissues the last command given Response Re-issues the previous command Note: It does not have to end with terminating character. Execution command A/ Parameter Reference V.25ter Note This command does not work when the serial multiplexer is active SIM300 AT Command Set Confidential Designed by SIMCOM SIM300_AT_V1.06 Page 11 of 185 2.2.2 ATA Answer an incoming call ATA Answer an incoming call Response TA sends off-hook to the remote station. Note1: Any additional commands on the same command line are ignored. Note2: This command may be aborted generally by receiving a character during execution. The aborting is not possible during some states of connection establishment such as handshaking. Response in case of data call, if successfully connected CONNECT TA switches to data mode. Note: output only if ATXparameter setting with the >0 When TA returns to command mode after call release OK Response in case of voice call, if successfully connected OK Response if no connection NO CARRIER Execution command ATA Parameter Reference V.25ter Note See also ATX 2.2.3 ATD Mobile originated call to dial a number ATD Mobile originated call to dial a number Execution command ATD[][ TA switches to data mode. Note: output only if ATXparameter setting with the >0 When TA returns to command mode after call release OK If connection successful and voice call OK Parameter string of dialing digits and optionally V.25ter modifiers dialing digits: 0-9, * , #, +, A, B, C Following V.25ter modifiers are ignored: ,(comma), T, P, !, W, @ Emergency call: Standardized emergency number 112(no SIM needed) string of GSM modifiers: I Actives CLIR (Disables presentation of own number to called party) i Deactivates CLIR (Enable presentation of own number to called party) G Activates Closed User Group invocation for this call only g Deactivates Closed User Group invocation for this call only ;> only required to set up voice call , return to command state Reference V.25ter Note

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