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__TOC__
__TOC__
==Summary==
==Summary==
The command set consists of a series of short text strings which can be combined to produce commands for operations such as dialing, managing SMS functions, and changing the parameters of the connection. Many of the commands that are used to control wired dial-up modems, such as ATD (Dial), ATA (Answer), ATH (Hook control) and ATO (Return to online data state), are also supported by GSM/GPRS modems and mobile phones. This section is an overview of some AT commands that can be used with RUT routers.
'''AT commands''' ("AT" meaning 'attention') are instructions used to control a modem. The command set consists of a series of short text strings which can be combined to produce commands for operations such as dialing, managing SMS functions, and changing the parameters of the connection. Many of the commands that are used to control wired dial-up modems, such as ATD (Dial), ATA (Answer), ATH (Hook control) and ATO (Return to online data state), are also supported by GSM/GPRS modems and mobile phones. This section is an overview of some AT commands that can be used with RUT routers.
==gsmctl commands==
==gsmctl commands==
===Usage===
===Usage===
The syntax for a gsmctl command is ''gsmctl OPTIONS''. A list possible ''gsmctl'' options is provided below:
The syntax for a gsmctl command is '''gsmctl OPTIONS'''. A list possible '''gsmctl''' options is provided below:
-e, --bsent <INTERFACE> Get number of bytes sent
-e, --bsent <INTERFACE> Get number of bytes sent
-r, --brecv <INTERFACE> Get number of bytes recieved
-r, --brecv <INTERFACE> Get number of bytes recieved
-j, --connstate Get mobile connection state
-j, --connstate Get 3G connection state
-P, --psstate Get package domain service state
-g, --netstate Get network link state
-g, --netstate Get network link state
-i, --imei Get device IMEI
-C, --cellid Get cell id parameter
-J, --iccid Get SIM ICCID
-o, --operator Get name of operator used
-m, --model Get device model
-f, --opernum Get operator number
-w, --manuf Get device manufacturer
-t, --conntype Get data carrier type
-a, --serial Get device serial number
-F --network Get network information
-y, --revision Get device revision number
-K --serving Get serving cell information
-x, --imsi Get IMSI
-I --neighbour Get neighbour cell information
-z, --simstate Get SIM card state
-v, --volte_state VoLTE state status
-u, --pinstate Get PIN state
-b, --band Print current band
-q, --signal Get GSM signal level
-q, --signal Get signal levels
-X, --rscp Get WCDMA rscp level
'''modem commands:'''
-E, --ecio Get WCDMA ec/io level
-A, --at <cmd> Execute AT command.
-W, --rsrp Get LTE rsrp level
-i, --imei Get device IMEI
-Z, --sinr Get LTE sinr level
-a, --serial Get modem serial number
-M, --rsrq Get LTE rsrq level
-J, --iccid Get SIM ICCID
-C, --cellid Get cell id parameter
-m, --model Get device model
-o, --operator Get name of operator used
-w, --manuf Get device manufacturer
-f, --opernum Get operator number
-y, --firmware Get device revision number
-t, --conntype Get data carrier type
-x, --imsi Get IMSI
-c, --temp Get module temperature in 0.1 degrees Celcius
-z, --simstate Get SIM card state
-B, --pincount Get pin/puk count
-u, --pinstate Get PIN state
-F --network Get network information
-H, --modemtime <1/2> Get operator station time(1 - GMT, 2 - LOCAL)
-K --serving Get serving cell information
-c, --temp Get module temperature in 0.1 degrees Celcius
-I --neighbour Get neighbour cell information
-B, --pincount Get pin/puk count
-D, --shutdown Shutdown the modem
-E, --info Get modem info in json format
-h, --help Prints this information
-U --ussd <command> The command allows control of the Unstructured Supplementary Service Data. (response saved in /tmp/ussd file)
-Y --switch Switch sim card for modem
-Q, --reboot Reboot the modem
'''sms managing options:'''
-S -r, --sms --read <INDEX> Read SMS by index
-S -r, --sms --read <INDEX> Read SMS by index
-S -l, --sms --list <TYPE> List SMS by type [all, read, new]
-S -R, --sms --pdu_read <INDEX> Read PDU by index
-S -t, --sms --total Print SMS memory usage
-S -l, --sms --list <TYPE> List SMS by type [all, read, new]
-S -d, --sms --delete <INDEX> Delete SMS by index
-S -t, --sms --total Print SMS memory usage
-S -s, --sms --send "<NUMBER> <TEXT>" Send SMS. IMPORTANT! Number and text must be within quotes
-S -d, --sms --delete <INDEX> Delete SMS by index
-S -b, --sms --send-b64 <NUMBER> Send SMS encoded in base64 from /tmp/.smstext
-S -Z, --sms --pdu_delete <INDEX> Delete PDU by index
-S -s, --sms --send "<NUMBER> <TEXT>"Send SMS. IMPORTANT! Number and text must be within quotes
'''auxilary options:'''
-A, --at <COMMAND> Send AT command to device
-O, --modem <USB_ID> Set MODEM by USB_ID(3-1, 1-1.4 etc.)
-N, --num <MODEM_NUM> Set MODEM by modem number(0 - 12)
-k, --debug Enable debug information
-D, --debug Enable debug information
You can view this list via terminal by typing ''gsmctl -h'' or ''gsmctl --help''.
You can view this list via terminal by typing '''gsmctl -h''' or '''gsmctl --help'''.
For example, try using ''gsmctl -q'' to get the current RSSI value in dBm. You can also combine options. For example, ''gsmctl -oqt'':
For example, try using ''gsmctl -q'' to get the current signal levels value in dBm. You can also combine options. For example, ''gsmctl -oqt'':
[[File:Gsmctl usage.png]]
[[File:Gsmctl q.png|border|center|class=tlt-border|457x228px]]
Unlike ''gsmctl -q'', ''gsmctl -oqt'' returns three options: operator's name, signal quality level and carrier type, as you can see in the example above.
Unlike '''gsmctl -q''', '''gsmctl -oqt''' returns three options: operator's name, signal levels, carrier, and operator type, as you can see in the example above.
==AT command usage==
==AT command usage==
To use a specific AT command via SSH, you can use the ''gsmctl -H''. After this your console will enter shell mode where you can then just type AT commands in their regular format. Or you can use ''gsmctl -A <AT_COMMAND>'' to execute AT commands one at a time. Continuing from the example above, lets say you want to find out the RSSI value. While there are quite a few commands that can be used to achieve this goal, lets use the '''AT+CSQ''' that is used when executing ''gsmctl -q'':
To use a specific AT command via SSH, you can use the ''gsmctl -H''. After this your console will enter shell mode where you can then just type AT commands in their regular format. Or you can use ''gsmctl -A <AT_COMMAND>'' to execute AT commands one at a time. Continuing from the example above, lets say you want to find out the RSSI value. While there are quite a few commands that can be used to achieve this goal, lets use the '''AT+CSQ''' that is used when executing ''gsmctl -q'':
[[File:At csq.png]]
[[File:Gsmctl A.png|border|center|class=tlt-border|441x84px]]
As you can see this time the command returns two values instead of one, and they don't directly represent the RSSI value as with ''gsmctl -q''. The reason for this is that AT+CSQ indicates the received signal strength '''<rssi>''' and the channel bit error rate '''<ber>''' and the numbers returned are not the direct values but rather the representation of the direct values.
As you can see this time the command returns two values instead of one, and they don't directly represent the RSSI value as with ''gsmctl -q''. The reason for this is that AT+CSQ indicates the received signal strength '''<rssi>''' and the channel bit error rate '''<ber>''' and the numbers returned are not the direct values but rather the representation of the direct values.
As another example, lets try to get network operator information. For this task you can use either '''gsmctl -o''' or '''AT+COPS?'''. For this example we'll use them both and analyze the differences:
As another example, lets try to get network operator information. For this task you can use either '''gsmctl -o''' or '''AT+COPS?'''. For this example we'll use them both and analyze the differences:
[[File:At cops.png]]
[[File:Gsmctl COPS.png|border|center|class=tlt-border|439x120px]]
As you can see, ''gsmctl'' returns a more user friendly value while ''AT+COPS?'' returns raw data. The response format of the ''AT+COPS?'' is '''+COPS: <mode>[,<format>[,<oper>][,<Act>]]'''. Explanations for individual values are provided below.
As you can see, ''gsmctl'' returns a more user friendly value while ''AT+COPS?'' returns raw data. The response format of the ''AT+COPS?'' is '''+COPS: <mode>[,<format>[,<oper>][,<Act>]]'''. Explanations for individual values are provided below.