Response Messages

Part 7 – Appendixes

Appendix A – Response Messages and Error Codes

Appendix A – Response Messages &

Error Codes

Standard AT Messages

Numeric	Verbose	Description
0	OK	Operation or command success
3	NO CARRIER	No physical layer connection
7	BUSY	Destination busy
8	NO ANSWER	No answer from destination
4	ERROR	Operation or command unsuccessful
2	RING	Incoming call indication

Information Messages

Numeric	Verbose	Description
1025	Ok_Info_DataBegin	Start of data
1028	Ok_Info_WaitingForData	Send data
3074	Ok_Info_SocketClosed	Socket connection closed successfully
3072	Ok_Info_NoMail	No mail to retrieve on server
3073	Ok_Info_Mail	Mail ready to be retrieved on server
3077	Ok_Info_PPP	PPP connection successful

Universal IP AT Commands Reference Guide (Document S000457K)

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Multi-Tech Systems iCell GPRS (MTSMC-G2-IP manual Appendix a Response Messages Error Codes, Ring

iCell GPRS (MTSMC-G2-IP specifications

Multi-Tech Systems iCell GPRS (MTSMC-G2-IP) is a versatile and powerful device designed for seamless connectivity in various applications, particularly in industrial and commercial environments. Known for its robust performance, the iCell GPRS module incorporates advanced technologies that enable effective communication over GPRS networks, making it an ideal solution for IoT applications, remote monitoring, and data collection processes.

One of the main features of the iCell GPRS is its dual SIM capability, which enhances network reliability and ensures continuous connectivity even in the event of network outages. By allowing the use of two SIM cards from different carriers, the device can switch between networks automatically, thereby minimizing downtime and maintaining critical communication channels.

The iCell GPRS supports various protocols including TCP/IP, UDP, and MQTT, which facilitates seamless integration with a range of applications. This flexibility in communication protocols allows developers to create customized solutions tailored to their specific needs, ensuring that the device can fit seamlessly into their existing infrastructure.

Another key characteristic of the MTSMC-G2-IP is its compact design and durability, making it suitable for deployment in a variety of environments. It features a wide operating temperature range that allows it to function efficiently in both extreme heat and cold, thereby catering to diverse applications across different industries. Additionally, the device is designed for easy installation and integration, which helps reduce deployment time and costs.

The iCell GPRS also includes built-in security features such as firewalls and secure data transmission protocols, protecting sensitive information from unauthorized access. This is particularly important for applications in sectors such as healthcare, finance, and transportation, where data integrity and security are paramount.

Furthermore, the device is equipped with various I/O ports that facilitate connectivity with external sensors, actuators, and other hardware. This feature makes it highly adaptable for monitoring and control systems, enabling users to gather real-time data and respond promptly to changing conditions.

In sum, the Multi-Tech Systems iCell GPRS (MTSMC-G2-IP) is a reliable and feature-rich solution designed for modern communication needs. Its dual SIM support, protocol versatility, robust design, and integrated security features make it an ideal choice for IoT and remote monitoring applications across numerous industries. Whether used in industrial automation, environmental monitoring, or smart cities, the iCell GPRS stands out as a dependable device that enhances connectivity and operational efficiency.

Contents

Universal IP Product Number of This Document S000457K, Version K Copyright Contents Display Command Ping AT Commands for All Universal IP Devices Set Commands #VTELNET View Telnet Settings Incoming Call Management Commands 103 104105 106 Part AT Commands for All Universal IP Devices Set Commands AT Command ModeTurn Echo ON/OFF Identification Default Configuration Reset Factory DefaultsRlsd DCD Option Turn On or Off DTR Option Store Factory Defaults to NVM +ICF DTE-DCE Character Framing +IFC Set Flow Control +IPR Set Serial Speed#DELFLASH Erase Flash Memory Parameter Values Display #SHIELDCHAR Configure the Shielding Character for Dlemode #LEGACYMODE Legacy Mode Enable/Disable#RESET Reset Main Processor or Internal Modem Display Commands #ESCAPECHAR Configure the Escape Character for DlemodeAT#ESCAPECHAR=parameter1 AT#VSHOWSERIAL #VVERSION Display Software Version #VSTATE Display Current State of Physical ConnectionAT#VSHOWUPTIME AT#VSHOWUPTIMES #VALL Display All Parameters Syntax AT#VALL Possible Responses MT100SEM-IP Syntax AT#VALL Possible Responses Applies to All Except MT100SEM-IP Smtp AT Commands for All Universal IP Devices #SENDERNAME Set Sender Name#SENDERADDR Set Sender Address #CCRECi Set Additional Recipient CC #DOMAIN Set Domain Name of the Sender #RECiADD Set Email Address#SUBJi Set Email Pre-Defined Subject Text Syntax AT#DOMAIN=value Syntax AT#SMTPNETWORKTIMER=parameter1 #BODYi Set Pre-Defined Email Combinations#SMTPPORT Set Smtp Server Port Syntax AT#SMTPPORT=value #SMTPUN Set Smtp User Name #SMTPPW Set Smtp Password#SMTPSERV Set Smtp Server Address #SENDMAIL3 #SENDMAILi Send Mail without Interactive ModeAT#SENDMAILi Syntax AT#PUTMAIL #PUTMAIL Send Mail to Recipient with Interactive ModeCommand Possible Responses #SMTPAUTH Authentication on or OFF #VSMTP Display Smtp Parameters#VMAILi Display Email Parameters for Respective Mail ID OFF POP3 AT Commands for All Universal IP Devices #POP3PW Set POP3 Password#POP3HEADERMODE POP3 Header #POP3PORT Set POP3 Server Port Display Command #POP3UN Set POP3 User Name#GETMAIL Retrieve Host Mail #VPOP3 POP3 Module Parameters FTP AT Commands for All Universal IP Devices #FTPMODE Enter FTP Mode#FTPPORT Enter FTP Server Port #FTPTYPE Specify Data Type #FTPPW Set FTP Password #FTPSERV Specify FTP Server Address#FTPUN Set FTP User Name #FTPGETFILENAME Set FTP Download File Name #FTPGET Download Files from FTP Server #FTPPUT Upload Files to FTP ServerAT#FTPGET AT#FTPPUT #FTPAPPEND Append Data to Server #FTPGETPATH Set Path to Get a File from FTP Server#FTPPUTPATH Set Path to Send Files to FTP Server #VFTP Display FTP Parameters Syntax AT#VFTP Values Ftpserv TCP AT Commands for All Universal IP Devices #DLEMODE Set DLE ModeDefaults 0,1 #PERSISTENTSOCKET Persistent Socket #TCPTXDELAY Time Delay #TCPPORT Set TCP Port for Remote Peer#TCPSERV Set Address of Remote TCP Server AT#TCPPORT=id,TCP Port number for remote peer value #TCPPACKETMIN TCP Client Transmit Packet Minimum Size #TCPPACKETMAX TCP Client Transmit Packet Maximum SizeAT#TCPPACKETMIN=parameter1, parameter2 Parameter AT#TCPNETWORKTIMER=parameter1, parameter2 #TCPINACTIVITYTIMER TCP Client Inactivity Timeout ValueAT#TCPINACTIVITYTIMER=parameter1, parameter2 #TCPTELNETMODE Enable/Disable TCP Client Telnet Protocol Line feed character not just any keyAT#TCPTELNETMODE=parameter1, parameter2 AT#TCPTELNETPW=parameter1, parameter2 #LTCPSTART Open Listening Mode #TCPTELNETUN Set the TCP Client Telnet Protocol User NameAT#TCPTELNETUN=parameter1, parameter2 Syntax AT#LTCPSTART=id #LTCPSTOP Close TCP Listening Mode #OUTPORT UDP/TCP Local Port Number#OTCP Open a TCP Connection Dlemode Value Notes Example Command Possible Responses Tcptxdelay 2#VTCP Display TCP Parameters AT#VTCP=id or AT#VTCP UDP AT Commands for All Universal IP Devices Defaults Example#UDPPACKETMIN UDP Client Transmit Packet Minimum Size Result Codes #UDPINACTIVITYTIMER UDP Client Inactivity Timeout Value AT#UDPINACTIVITYTIMER=parameter1Command Examples #UDPPACKETMAX UDP Client Transmit Packet Maximum Size Default Responses #UDPIGNORESRCPORT Ignore Send Source Port#UDPREMOTEPORT Remote Port Number #UDPPORT UDP Port Number #UDPTXDELAY Delay before Sending UDP Datagram Syntax AT#UDPTXDELAY=ValueDefault Value #UDPSERV UDP Server Address #UDPDLEMODE Set DLE Mode #LUDPSTART Initiate the UDP Session in Listen ModeUdpsesrv Udptxdelay AT#UDPDLEMODE=parameter1 #LUDPSTOP Close UDP Listening Mode #OUDP Initiate UDP Session in Active Mode#VUDP Display UDP Module Configuration Syntax AT#VUDP Ping AT Commands for All Universal IP Devices #PINGDELAY Ping Delay Time#PINGNUM Number of Ping Requests #PINGREMOTE IP Address of Ping Request Pingnum Pingremote Pingenable Pingdelay #VPING Display Ping ParametersSyntax AT#VPING Values Displayed Part AT Commands for SocketEthernet IP General AT Commands for SocketEthernet IP #DHCP Dhcp On or Off#IPADDR Set Static IP Address #IPGATEWAY Set Gateway Address #IPNETMASK Set Subnet Mask #DNSSERV1 Set DNS Server IP Address#DNSSERV2 Set Secondary DNS Server #EMACSPD Set Ethernet Connection #HOSTNAME Configure the Dhcp Client Host Name #ETHIFSTATUS View Network Interface Settings#VDNS Display Configuration of DNS Servers Values None Display Example Interface UP #VIP View Address Settings Syntax AT#VIP Values None Auto Discovery AT Commands for the SocketEthernet IP #AUTODISCTIMER Auto Discovery Timer#AUTODISC Auto Discovery On/Off #AUTODISCPORT Auto Discovery Port #AUTODISCUSERNAME Set Auto Discover User Name #AUTODISCPASSWORD Sets Auto Discover Password#VAUTODISC Display Auto Discovery Commands Part AT Commands for SocketWireless Wi-Fi Devices IP AT Commands for SocketWireless Wi-Fi #IPDNSSERV Configure the DNS Server Disables DNSEnable DNS AT#IPDNSSERV #IPRELEASE Release a Dhcp Address Assigned by the Server #IPRENEW Renew the Dhcp Information from the Server#IPQUERY Give a Domain Name #IPRESOLV Is There a Connection with DNS or Not #IPDNSTABLE Display DNS Table AT#IPDNSTABLEResponse Values Syntax AT#VDNS General AT Commands for SocketWireless Wi-Fi Previous CommandManual Answer of TCP or UDP Connection S2 Escape Sequence #BOOTMSG Enable/Disable Boot Message #WATCHDOG Enable/Disable Watchdog#WATCHDOGTIMER Watchdog Timer AT#BOOTMSG=0,1 Values Default #TELNET Start/Stop Telnet Session#TELNETPORT- Set Telnet Port #TELNETUSER Set Telnet User #TELNETPASSWORD Set Telnet Password #VTELNET View Telnet SettingsAT# Telnetpassword = 64 char string AT#TELNETPASSWORD? Wlan AT Commands for SocketWireless Wi-Fi #WLANSECURITYMODE Security Mode of Wlan Module#WLANNETWORKMODE Wlan Network Mode #WLANCOUNTRYCODE Country Code #WLANSCANMODE Scanning Mode #WLANIBSSCHANNEL Channel for Ad-Hoc Mode#WLANSSID Ssid of Wlan #WLANDATARATE Wlan Transmission Data Rate #WLANENABLE Auto Connect Module with AP #WLANDOZE= Moves Module into or out of Power Save#WLANCONNECT Connect with AP #WLANDISCONNECT Disconnect with AP #WLANSCAN Scan Wireless Networks #WLANPROFILEn=n Change the Wlan ProfileKeyindex = Syntax AT#WLANSCAN #WLANGETRSSI Received Signal Strength #WLANACTIVATE Move Module out of Power Save#WLANROAM Enable/Disable Roaming #WEP64KEY Keys for WEP64 Security Mode #WEP128KEY Keys for WEP128 Security Mode #WPAPSKKEY Keys for WPA PSK Security Mode#WPA2PSKKEY Keys for WPA2 PSK Security Mode #WEPKEYID Set the Default TX Key Index #WEP? See the Value of the WEP Keys #WLANPROFILE Display the Wlan ProfileAT#WEP? AT#WLANSETPROFILEvalue? #WLAN? Wlan Module #WLANASSOCINFO Display Association InformationAT#WLAN? AT#WLANASSOCINFO AT Commands for the Following Devices #AUTHENT Authentication Type AT Commands for+WOPEN Set IP Mode or Modem Mode #ANSWERMODE Set Answering Mode #SMSPHRASE Set Incoming SMS PhraseAT#ANSWERMODE=value AT#SMSPHRASE=parameter1 #CALLBACKTIMER Set Automatic Call-Back Wait #CALLSCREENNUM Set Caller ID Service#KEEPALIVEMODE Keep-Alive Mode Default Example #KEEPALIVESERV Keep-Alive Server Address #KEEPALIVEDELAY Keep-Alive Delay#KEEPALIVEPORT Keep-Alive Port Number #ATCMD Customize Dial-Up Commands #REDIALDELAY Set Call Retry Delay#PHYTIMEOUT Set Inactivity Time #REDIALCOUNT Set Connection Attempts Allowed #DIALN2 Set Secondary Dial-Up Number #RINGCOUNT Set Number of Rings/Automatic Operation#DIALN1 Set Primary Dial-Up Number #ISPUN Set ISP User Name #ISPPW Set ISP Password#DIALSELECT Set Internet Connection Number Incoming Call Management Commands #ACCEPT Answer Incoming Call#CONNECTIONSTOP Stop Communication AT#ACCEPT #CONNECTIONSTART Start Communication AT#CONNECTIONSTART #PPPMYIP Set IP Address When Using PPP #AUTOCONNECT Automatically Connect the PPP Link#PPPMODE Set TCP/IP Behavior #PPPPEERIP Set IP Address for Remote PPP #PPPSERVPW Set Remote PPP Client Password #APNPW Set Access Point Name Password#APNSERV Set Access Point Name #APNUN Set Access Point User Name #DISPLAYIP Display IP Addresses #GPRSMODE Activate Switching Between GSM and Gprs#GPRSCID Set PDP Context Identifier #VPPP Display PPP Parameters #VPHY Display Physical ParametersAT#VPPP AT#VPHY Part Gpio AT Commands Gpio AT Commands Gpio AT Commands About GpioValues Gpio Function Trigger Level AT#GPIOR=parameter Gpio Port\r\n#GPIOR VALUE1,VALUE2\r\n Send AT#GPIOR=1\r Syntax AT#GPIOTRIGGER=parameter1,parameter2 #GPIOTRIGGER Configure the Gpio pin and trigger typeDescription Configure the Gpio pin and trigger type Part AT Commands for GPS-Enabled Device Commands for GPS-Enabled Device AT Commands for GPS Enable Products #GPSSERV Set GPS Host Server Address#GPSPORT Set GPS Host Port #GPSPROTO Set GPS Host Protocol #GPSPW Set GPS Host Login Password #GPSGPGGA Enable/Disable Gpgga Message#GPSURAIS Set GPS Unique Remote Asset Identification String #GPSINTERVAL Set GPS Server Transmission Interval #GPSGPGLL Enable/Disable Gpgll Message #GPSGPGSA Enable/Disable Gpgsa Message#GPSGPGSV Enable/Disable Gpgsv Message #GPSGPRMC Enable/Disable Gprmc Message #GPSGETMESSAGE Get Queued GPS Message #GPSGPVTG Enable/Disable Gpvtg Message#GPSINTERVALLOC GPS Local Transmission Interval GPS Message Syntax GPS Message ExamplesGpsprefixgpsuraisnmeamessagecrlf Where GPS Configuration Examples Application Note GPS Nmea Messages Introduction Nmea Protocol Overview Example GGA Global Positioning System Fix DataStructure GLL Latitude/Longitude GSA Gnss DOP and Active Satellites SNR GSV Gnss Satellites in View$GPGSV RMC Recommended Minimum Specific Gnss Data VTG Course Over Ground and Ground Speed$GPRMC $GPVTG Part Appendixes Appendix a Response Messages Error Codes Response MessagesStandard AT Messages Numeric Verbose Description Ring Numeric Description Error CodesError Codes Sending an Email AT#PUTMAIL Commands Responses Appendix B Response Message ExamplesResponse Messages Examples Sending/Retrieving Email Response Messages Retrieving an Email AT#GETMAIL Commands Responses AT#POP3PORT=110 AT#GETMAIL Upload a file to an FTP Server AT#FTPPUT Commands Responses FTP Download / Upload Files Response MessagesAT#FTPPUTPATH= AT#FTPPUT TCP Socket Response Messages Act as a TCP Server AT#LTCPSTART Commands ResponsesAct as a TCP Client AT#OTCP Commands Responses Index #FTPAPPEND Append Data to Server #UDPTXDELAY Delay before Sending UDP Datagram Close TCP Listening Mode #LTCPSTOP #LTCPSTART Open Listening Mode #PINGNUM Number of Ping Requests Commands for SocketModem IP Commands for SocketWireless Wi-Fi #PERSISTENTSOCKET Delay before Sending UDP Initiate the UDP Session in Listen Mode 119

Appendix A – Response Messages &

Error Codes