Quick Answer: Which is the software compatible with the GSM for AT commands?

What are the commands used in GSM?

AT Commands, GSM AT command set

Command Description
AT+CMGL List messages
AT+CMGR Read message
AT+CMGS Send message
AT+CMSS Send message from storage

What are 3gpp AT commands used for?

AT commands provides interface to interact with the module to perform variety of tasks such as getting device/manufacturer information, send/receive phone calls, initiate data calls, access the SIM information that is attached to the module, get network information such as signal strength, registration status, network …

For which of the following operations AT commands can be used?

The AT commands can be used with GSM module and GPRS MODEMs or phone to access these services and information:

  • SMS.
  • MMS.
  • Fax.
  • Voice link and other data over mobile network.
  • Information and configuration concerning the mobile devices or MODEM and SIM card.

How do you send commands?

Line 10: The AT command +CMSS is used to send the SMS text message from the message storage of the GSM / GPRS modem.



10.1. The 1st Way: Sending SMS Messages from a Computer Using a Mobile Phone or GSM/GPRS Modem.

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AT command Meaning
+CMGD Delete message
+CMGC Send command

What is the meaning of AT command?

1. to direct with specific authority or prerogative; order: to command troops to march. 2. to require authoritatively; demand: to command silence.

How many & what are types of AT command?

These commands are classified into four types namely Test, Read, Set and Execution. The test AT command is mainly used for checking the command’s compatibility using a modem. The SYNTAX for this command is AT < name of the command>.

What is the function of at CMGF 1 R?

AT+CMGS At command is used to send SMS message. The messages can be sent in the text mode or PDU mode.

How do you send a phone command?

In order to send a command:

  1. Open Start menu and type devmgmt. msc in search box (Or type it on Start > Run ). It shows “Device Manager” up window.
  2. Expand “Modems” section. Right click to the mobile phone and click “Properties“. Go to “Advanced” tab.
  3. Type your AT command into “Extra initialization commands” box.

What is GSM module and how it works?

A GSM modem or GSM module is a hardware device that uses GSM mobile telephone technology to provide a data link to a remote network. From the view of the mobile phone network, they are essentially identical to an ordinary mobile phone, including the need for a SIM to identify themselves to the network.

How do I give a power supply to a GSM module?

Both 1.8 volts and 3.0 volts SIM Cards are supported by SIM900A – the SIM card voltage type is automatically detected.

  1. Assemble GSM Antenna to the modem.
  2. Connect serial cable to the modem.
  3. Give power supply in between 4.5V to 12V through the power jack provided.
  4. Default factory Baudrate is 9600.
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