How to check To which COM port MODEM is connected
A:
Right Click On MY Computer Icon
Select "Manage" option
From the new window, select "Device Manager"
From here, you can check for the Ports and Modems
Double clicking , will display the properties
For Windows system you need to have "Hyperterminal" application
Windows 7 , they have removed the application (Don't know why)
but there are many free available Applications like Hyperterminal
over the internet.
For Linux users, "minicom" is the best
To install, sudo apt-get install minicom
Q: How To Send SMS From Computer Using AT Commands
A:
1. Plug In Your GSM/GPRS modem
2. Check to which COM port the modem is connected
3. Start-> Accessories-> Communication-> Hyperterminal
4. Open new connection
5. "Connect using:" the correct COM port, you will see a
windows->change Bits per second to "9600" (for GSM) "115200" (for GPRS)
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="+91723456789"" and press Enter (it'll show ">"."+91" is country code, "723456789" 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.
Q: How To Receive SMS Using Computer
A:
1. Plug In Your GSM/GPRS modem
2. Find out which COM Port the modem is connecting
3. Start-> Accessories-> Communication-> Hyperterminal
4. Open new connection
5. "Connect using:" the correct COM port, you will see a
windows->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",,"01/08/13,11:26:20+12
Hi, Love You !!! " )
Q: How To Check SMS Delivery Status Report & Newly Received Message
A:
1. Follow the Step 1 To 6 as mentioned above
2. At The Hyper Terminal, Type The Following AT Command
AT+CSMP=49,167,0,0
OK
AT+CNMI=2,2,0,1,0
OK
AT+CMGS="Mobile Number"
> Message content displayed (Ctrl+Z)
+CMGS: 72
OK
+CDS: 6,228,"Mobile Number",129,"08/10/22,10:08:35+32","13/08/22,12:55:38+32",0
+CMT: "Mobile Number",,"13/10/22,12:56:17+32"
testing
Q: How To Change the Baud Rate of the Modem using AT Commands
A:
To Change Baud Rate from xxxx to yyyyyy
1. Start-> Accessories-> Communication-> Hyperterminal
2. Open new connection
3. "Connect using:" the correct COM port, you will see a
windows->change Bits per second to "xxxx"
4. Type "ATE1" and press Enter (it'll show "ok")
5. Type "AT+IPR=yyyyyy" and press Enter (it'll show "ok")
6. Click on "disconnect" icon
7. Go to Properties and change the Bits per second to "yyyyyy"
8. Type "AT&W" and press Enter (it'll show "ok")
Then it'll be changed to yyyyyy.
here : xxxx can be 5600 and yyyyy : 115200
NOTE: Some of the posts in this blog are from internet,I've just posted them in the blog to save your time. In case, something is wrong, please send a mail and that post will be removed.
This post first appeared on G33K-TRICKS - Your Source To Tips And Tricks, please read the originial post: here
