gsm modem at commands reference,how to send sms from pc using at commands with gsm_gprs modem,how to...

7/18/13 GSM Modem AT Commands Reference,How To Send SMS From PC Using AT Commands With GSM/GPRS Modem,How To Receive SMS Using Hyper

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BluOcean Modems - Use By Tons Of Software Houses And Programmers In Their SMS Programming. Below Are Some of The Commonly UsedInformation For Reference.

OEM Modems Are Available For Bulk Purchase

AT CommandsChange Baud Rate from 115200 to 9600Change Baud Rate from 9600 to 115200How To Send SMS From Computer Using AT Commands With GSM/ GPRS ModemHow To Receive SMS Using Computer With GSM/ GPRS ModemHow To Check SMS Delivery Status Report and Newly Received Message

AT Commands

AT Commands Meaning

AT+CSCA="+651234567" Set Message Center Number

AT+CGMI Get the name of manufacturer

AT+GMI Get the ID of manufacturer

AT+GMM Get the Model information

AT+CGSN Get IMEI number (International Mobile Equipment Identity)

AT+CGMR Get software version

AT+CIMI Get IMSI number (International Mobile Subscriber Identity)

AT+CNUM MSISDN

AT+CPAS Get mobile phone activity status

AT+CREG Get mobile network registration status

AT+CSQ Get radio signal strength

AT+CBC Get battery charge level and battery charging status

ATD, ATA, etc Establish a data connection or voice connection to a remote modem

ATD, ATA, AT+F* Send and receive fax

AT+CMGS, AT+CMSS Send SMS messages

AT+CMGR, AT+CMGL Read SMS messages

AT+CMGW Write SMS messages

AT+CMGD Delete SMS messages

AT+CNMI Obtain notifications of newly received SMS messages

AT+CPBR Read phonebook entries

AT+CPBW Write phonebook entries

AT+CPBF Search phonebook entries

AT+CLCK Opening or closing facility locks

AT+CPWD Changing passwords

AT+CMEE=n

Enable certain error messages n= 0 disable +CME ERROR: result code and use ERROR instead. n= 1 enable +CME ERROR: result code and use numeric values. N= 2 enable +CME ERROR: result code and use verbose values.

AT+COPS=,,

Change the GSM network is used to select whether the selection is done automatically by theME or is forced by this command tooperator given in the format and may be: = 0 automatic ( field is ignored). = 1 manual. = 2 deregister from network. = 3 set only . = 4 manual / automatic (if manual selection fails, automatic mode is entered). : = 0 long alphanumeric (default value). = 1 short format alphanumeric . = 2 numeric . string type given in format ; this field may be up to 16character long for long alphanumeric format, up to 8 characters for shortalphanumeric format and 5 characters long for numeric format MCC/MNCcodes)

AT+CBST Change bearer service type

AT+CRLP Change/configure radio link protocol parameters

AT+CPMS Storage of SMS messages

AT+CSAS Save configurations of the GSM/GPRS modem

AT+CRES Settings related to SMS messaging such as the SMS center address

AT+CMGF=1 Instruct the GSM / GPRS modem to operate in SMS text mode



AT+CMGF=1 Instruct the GSM / GPRS modem to operate in SMS text mode

AT+CMGL="ALL" List all the messages

AT+CNMA New message acknowledgement

Change Baud Rate from 115200 to 9600

1. Start-> Accessories-> Communication-> Hyperterminal2. Open new connection3. "Connect using:" the correct COM port, you will see awindows->change Bits per second to "115200"4. Type "ATE1" and press Enter (it'll show "ok")5. Type "AT+IPR=9600" and press Enter (it'll show "ok")6. Click on "disconnect" icon7. Go to Properties and change the Bits per second to "9600"8. type "AT&W" and press Enter (it'll show "ok")

Then it'll be changed to 9600.

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Change Baud Rate from 9600 to 115200

1. Start-> Accessories-> Communication-> Hyperterminal2. Open new connection3. "Connect using:" the correct COM port, you will see awindows->change Bits per second to "9600"4. Type "ATE1" and press Enter (it'll show "ok")5. Type "AT+IPR=115200" and press Enter (it'll show "ok")6. Click on "disconnect" icon

7. Go to Properties and change the Bits per second to "115200"8. Type "AT&W" and press Enter (it'll show "ok")

Then it'll be changed to 115200.

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How To Send SMS From Computer Using AT Commands With GSM/GPRS Modem

1. Plug In Your GSM/GPRS modem2. Find out which COM Port the modem is connecting 3. Start-> Accessories-> Communication-> Hyperterminal4. Open new connection5. "Connect using:" the correct COM port, you will see awindows->change Bits per second to "9600" (for GSM) "115200" (for GPRS) 6. Type "AT" and press Enter (it'll show "ok")7. Type "AT+CMGF=1" and press Enter (it'll show "ok". It is to set the GSM / GPRS modem to operate in SMS text mode. )8. Type "AT+CMGW="+651234567" " and press Enter (it'll show ">"."+65" is country code, "1234567" is recipient's number) 9. Start typing SMS. When finished, press Ctrl + Z (it'll show "+CMGW:1", it means the message is stored as index:1 in the message storage) 10. Type "AT+CMSS=1" and press Enter (It'll show something like "+CMSS: 219". "219" is the reference no of the sent message) 11. If it shows "OK" at the end, it means the message is successfully sent.

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How To Receive SMS Using Computer With GSM/GPRS Modem

1. Plug In Your GSM/GPRS modem2. Find out which COM Port the modem is connecting 3. Start-> Accessories-> Communication-> Hyperterminal4. Open new connection5. "Connect using:" the correct COM port, you will see awindows->change Bits per second to "9600" (for GSM) "115200" (for GPRS) 6. Type "AT" and press Enter (it'll show "ok")7. Type "AT+CMGF=1" and press Enter (it'll show "ok". It is to set the GSM / GPRS modem to operate in SMS text mode. )8. Type "AT+CMGL="ALL" " and press Enter (there is message received, it'll show " +CMGL: 1,"REC READ", "+651234567",,"01/01/09,09:20:20+12Hi, How are you? " ) 9. It shows "OK" at the end.

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How To Check SMS Delivery Status Report & Newly Received Message

1. Do The Step 1 To 6 As Above 2. At The Hyper Terminal, Type The Following AT Command

AT+CSMP=49,167,0,0 OKAT+CNMI=2,2,0,1,0 OKAT+CMGS="Mobile Number" > Message content (Ctrl+Z)+CMGS: 72OK+CDS: 6,228,"Mobile Number",129,"08/10/22,10:08:35+32","09/10/22,10:08:38+32",0+CMT: "Mobile Number",,"08/10/22,10:09:17+32"testing



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