Difference between revisions of "Sending and receiving sms"
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'''NOTE:''' Verify the USB port as it is different for different modems. | '''NOTE:''' Verify the USB port as it is different for different modems. | ||
| − | |||
| − | |||
- Now execute the following AT commands to send a message: | - Now execute the following AT commands to send a message: | ||
| − | AT | + | AT |
| − | OK | + | OK |
| − | + | ||
This checks whether AT commands are responding or not. | This checks whether AT commands are responding or not. | ||
| − | |||
| + | AT+COPS? | ||
This gives the details of your Internet service provider. | This gives the details of your Internet service provider. | ||
| − | AT+CSQ | + | AT+CSQ |
| − | + | ||
This signify the signal strength of your network. | This signify the signal strength of your network. | ||
| − | AT+CMGF=1 | + | AT+CMGF=1 |
| − | + | ||
This command is used to set the format of short message in TEXT mode. | This command is used to set the format of short message in TEXT mode. | ||
| − | AT+CMGS=”PHONE NUMBER TO WHOM MESSAGE IS TO BE SEND” <CR> | + | AT+CMGS=”PHONE NUMBER TO WHOM MESSAGE IS TO BE SEND” <CR> |
| − | “HELLO” | + | “HELLO” |
| − | <Ctrl-Z> | + | <Ctrl-Z> |
| − | + | ||
This command is used to send short messages. | This command is used to send short messages. | ||
<CR>-carriage return | <CR>-carriage return | ||
| − | Receiving a message: | + | ==Receiving a message:== |
| − | AT | + | AT |
| − | OK | + | OK |
| + | AT+CMGF=1 | ||
| − | AT+ | + | AT+CMGL=”ALL” |
| + | This command lists all the available messages stored in the memory. | ||
| + | AT+CMGR=1 | ||
| + | This command shows a particular message(in this case message stored at index 1 in the memory will be displayed) | ||
| − | AT | + | ==AT Commands Manual== |
| + | The AT Command Manual for the 2G modem can be downloaded from [http://www.yantrr.com/image/data/doc%20uploads/GPRS%20Module%20AT%20Commands.pdf here] | ||
| − | + | The AT Command Manual for the 3GH-A/B/C and 3GC-A type Modules can be downloaded from [https://www.dropbox.com/s/g6dz78scv5s6638/SCV_WCDMA%20Module%20AT%20Command.pdf WCDMA here] | |
| − | AT | + | The AT Command Manual for the 3GH-D Module is available on request. Contact Yantrr support. |
| − | + | ||
| − | + | ||
Revision as of 01:31, 13 July 2016
SMS
Now we will try to send and receive messages using our VIBE2. For this you have to follow these steps:
Sending a message:
- Insert a micro SIM card in the 6 pin micro sim connector.
- Power the board using a 5V (max 5A) DC adapter.
- Log in to the VIBE2 using any of the techniques explained in this document.
- Set VIBE2 into AT commands mode by using
$ minicom -D /dev/ttyUSB0
NOTE: Verify the USB port as it is different for different modems.
- Now execute the following AT commands to send a message:
AT OK
This checks whether AT commands are responding or not.
AT+COPS?
This gives the details of your Internet service provider.
AT+CSQ
This signify the signal strength of your network.
AT+CMGF=1
This command is used to set the format of short message in TEXT mode.
AT+CMGS=”PHONE NUMBER TO WHOM MESSAGE IS TO BE SEND” <CR> “HELLO” <Ctrl-Z>
This command is used to send short messages. <CR>-carriage return
Receiving a message:
AT OK
AT+CMGF=1
AT+CMGL=”ALL”
This command lists all the available messages stored in the memory.
AT+CMGR=1
This command shows a particular message(in this case message stored at index 1 in the memory will be displayed)
AT Commands Manual
The AT Command Manual for the 2G modem can be downloaded from here
The AT Command Manual for the 3GH-A/B/C and 3GC-A type Modules can be downloaded from WCDMA here
The AT Command Manual for the 3GH-D Module is available on request. Contact Yantrr support.
