Sierra Wireless MP 700 Series Command Reference Manual
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Sierra Wireless MP 700 Series Command Reference Manual

Sierra Wireless MP 700 Series Command Reference Manual

Gps rugged wireless modem
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MP 700 Series GPS
Rugged Wireless Modem

AT Command Reference

2130309
Rev 3.2

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Summary of Contents for Sierra Wireless MP 700 Series

  • Page 1: At Command Reference

    MP 700 Series GPS Rugged Wireless Modem AT Command Reference 2130309 Rev 3.2...
  • Page 3 Note: Some airlines may permit the use of cellular phones while the aircraft is on the ground and the door is open. Sierra Wireless modems may be used at this time. The driver or operator of any vehicle should not operate a computer or any other device connected to the Sierra Wireless modem while in control of a vehicle.
  • Page 4 © 2005 Sierra Wireless. All rights reserved. Trademarks AirCard and “Heart of the Wireless Machine” are registered trademarks of Sierra Wireless. Sierra Wireless, the Sierra Wireless logo, the red wave design, the red-tipped antenna, and Watcher are trademarks of Sierra Wireless. ®...

  • Page 5: Contact Information

    5:00 Pacific Time e-mail: sales@sierrawireless.com Technical Support: e-mail: support@sierrawireless.com Web: www.sierrawireless.com/ developers Post: Sierra Wireless, Inc. 13811 Wireless Way, Richmond, BC Canada V6V 3A4 Fax: 1-604-231-1109 Web: www.sierrawireless.com Your comments and suggestions on improving this documen ­ tation are welcome and appreciated. Please e-mail your documentation@sierrawireless.com...
  • Page 6 MP 700 Series GPS AT Command Reference 2130309...

  • Page 7: Table Of Contents

    Table of Contents About This Guide ........... .7 Introduction .
  • Page 8 MP 700 Series GPS AT Command Reference Responses and Result Codes ........19 Possible result codes .

  • Page 9: About This Guide

    CnS are not discussed. References This guide covers only the command set used by the MP 700 Series GPS and does not deal with operational use. Refer to the product documentation for instructions on using your modem. Not all commands include detailed descriptions. Commands...

  • Page 10: Terminology And Acronyms

    MP 700 Series GPS AT Command Reference fax: 303-397-2740 global@ihs.com e-mail: http://global.ihs.com web: post: Global Engineering Documents, 15 Inverness Way East, Englewood, CO 80112 Global Engineering operates offices around the world. Consult the web site above for locations. Other standards referenced in this document are available through the 3rd Generation Partnership Project (3GPP) web www.3gpp.org...

  • Page 11: Document Structure

    Following this introduction is a section on basic elements important to understanding and communicating with the MP 700 Series GPS. This includes notes on the connection between the host computer and the modem. The document then presents the commands, registers, result codes, and defaults provided in the command state of the modem.
  • Page 12 MP 700 Series GPS AT Command Reference • Characters that are required are shown in uppercase; parameters are noted in lowercase. Parameters are <i> enclosed in angle brackets ( ) to indicate that they should be replaced with a value. Optional parameters are described in the text, and may also be enclosed in square [<m>]...

  • Page 13: Modem Basics

    Understand how the modem’s results and responses are framed and change the framing where required GSM, GPRS, and EDGE The MP 700 Series GPS operates on GSM network technology. GSM (Global System for Mobile communications) is a type of wireless communications network designed for mobile phones that is widely deployed throughout the world.

  • Page 14: Establishing A Communication Session

    MP 700 Series GPS AT Command Reference establish CSD (Circuit-Switched Data) connections in areas that have GSM but no GPRS/EDGE service (assuming CSD is supported by your service provider). Establishing a communication session Any terminal emulation program can be used to create a communications session that will allow you to issue AT commands to the modem.

  • Page 15: Host Connection Basics

    AT!RSSI? during a modem-to-network connection. Host and network connections When the MP 700 Series GPS is used to access Internet services or retrieve data over a VPN connection, two connections are required: the host-to-modem connection and the modem-to- network connection.

  • Page 16: Modem Modes, States, And Conditions

    MTP data. (See the command on page 50.) Host-to-modem connection The MP 700 Series GPS supports serial and USB host connec ­ tions. To issue AT commands to the modem, the serial connection is required. Having a USB connection in addition to the serial connection has two main advantages: •...

  • Page 17: Connection Modes

    Modem Basics Connection Modes The MP 700 Series GPS operates in three modes: Circuit-switched data (CSD) In Circuit Switched Data (CSD) mode, the modem operates much like a landline modem. The Fallback feature must be configured to allow for this type !MPFBSETUP of connection.

  • Page 18: State Transitions

    MP 700 Series GPS AT Command Reference Offline Disconnected from any remote terminal or network (on-hook). While in offline condition, the modem can only be in command state (without an airlink). The following tables show the possible combinations of modes, states, and conditions:...

  • Page 19: Modem Buffers

    Modem Basics • If there is an active PAD (Packet Assembler/Disassembler) session and the PAD is configured to use TIES (Time Independent Escape Sequence), the modem switches to AT+++ command state on receipt of “ ”. (The “AT” must be in upper case.) The command !MPPADCONF (described on page 52) is used to enable and disable TIES.

  • Page 20: Command Handling

    MP 700 Series GPS AT Command Reference Specific settings for buffer controls are described in the relevant commands and registers. Normal configuration of the modem will not require you to adjust these settings. Data flow control The modem’s CTS and RTS lines control data flow.

  • Page 21: Registers

    Modem Basics Defaults shown in the command tables are those for the Note: Entering incorrect syntax factory settings of the modem. They are not the defaults or a parameter outside of the assumed for a command issued without parameters, which are specified range may have noted in the text.

  • Page 22: Response And Result Framing

    MP 700 Series GPS AT Command Reference • Quiet off ( ) enables the modem to issue result codes following commands. Quiet on ( ) suppresses result codes entirely; responses remain unaffected. • Verbose result codes enabled ( ) provides results in <CR><LF>...

  • Page 23: Result Code Framing

    ) response may be replaced by <err> when the command is not processed because of a GSM radio connection error. GPS data format The MP 700 Series GPS sends GPS data out in UDP packets. The packets contain either: • TAIP or NMEA messages •...
  • Page 24 MP 700 Series GPS AT Command Reference 2130309...

  • Page 25: Command Reference

    • Result Codes As described in the previous section, AT commands are • Factory Default available with Sierra Wireless GSM products for users of the Settings COM serial interface. The commands allow control of Circuit Switched Data (CSD) calls and data exchange, similar to dial­...

  • Page 26: Command Types

    MP 700 Series GPS AT Command Reference Command Types Note: The AT prefix does not The command reference table (beginning on page 31) details the available AT commands in strict ASCII alphabetic order appear in the reference tables. It &...
  • Page 27 Command Reference Table 3-3: Standard modem commands (cont.) Command Description V.42bis compression control +GMI Modem manufacturer +GMM Modem model +GMR Current modem firmware version +GOI Global object identification +GSN Display IMEI +IFC Local flow control +IPR Fixed local data rate Reissue last AT command Answer incoming call (or GPRS network request)

  • Page 28: Gsm Voice And Circuit-Switched Data Commands (Gsm 07.07)

    MP 700 Series GPS AT Command Reference GSM Voice and Circuit-Switched Data Commands (GSM 07.07) These commands are specified in the GSM 07.07 standard and control functions related to GSM voice, and CSD—similar to those provided by many GSM mobile phones.

  • Page 29: Sms Commands (Gsm 07.05)

    Command Reference Table 3-4: GSM commands Command Description +CREG GSM network registration +CRLP Radio link protocol +CSCS Character set +CSTA Type of address +CSQ Signal quality report +VTD Tone duration +VTS DTMF tone generation SMS Commands (GSM 07.05) The GSM 07.05 standard provides the following commands for controlling text messaging, also known as Short Message Service (SMS).

  • Page 30: Gprs Packet Data Commands (Gsm 07.07)

    MP 700 Series GPS AT Command Reference GPRS Packet Data Commands (GSM 07.07) These commands, specified in the GSM 07.07 standard, control General Packet Radio Service (GPRS) packet switched data services. Table 3-6: GPRS commands Command Description +CFUN Set phone functionality...

  • Page 31: Modem Control Commands

    Command Reference Modem Control Commands These commands provide monitoring and control of the modem, and are proprietary to Sierra Wireless. Table 3-8: Sierra Wireless modem control commands Command Description !ACCR Query SIM code status !BAND Configure band !GTEMP Read radio temperature...
  • Page 32 MP 700 Series GPS AT Command Reference Table 3-8: Sierra Wireless modem control commands Command Description !MPGPSINTSET Set GPS update interval !MPGPSNMEA Set NMEA messages !MPGPSRESET Reset GPS module !MPGPSST Request GPS status !MPGPSSTOR Enable / disable storing and forwarding of GPS...

  • Page 33: Command Reference Table

    Command Reference Command Reference Table Table 3-9 details the AT commands for the modem in strict AT& ASCII alphabetic order (with before before ). For listings by functional group, see the cross-reference tables beginning on page 24. Detailed status register information (for commands) begins on page 104.
  • Page 34 Report the state of the specified analog input channel <scale> The MP 700 Series GPS has four analog input channels, allowing analog sensors and gauges to be connected to the modem. These must be connected to the appropriate pins of the DB15 I/O connector. (See the Software Installation, Configuration, and Integration Guide on the MP 700 Series GPS installation CD for more information about configuring I/O devices.) The...
  • Page 35 Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description !MPAINCFG= Analog input channel configuration " <chan>, <input " " label> <unit Sets the labels and the scale for the specified input channel. " label> ,<zero scale>,<full scale> Parameter settings The supported values are: !MPAINCFG?= Channel <chan>=...
  • Page 36 MP 700 Series GPS AT Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description !MPBARSVC= Bar services <value> Controls the type of connections (GPRS or dial-up) that can be made by the !MPBARSVC? modem. (See !MPFBSETUP for a discussion of dial-up connections and the Fallback feature.)
  • Page 37 !MPCONFSNAP= Configure UDP port number <rnapport>, <rawgpsport, Sets the port number on which the MP 700 Series GPS receives RNAP/UDP or <vpnflag> raw-GPS/UDP packets and sets the VPN support flag. !MPCONFSNAP? Note: This command is only available on MP 750 GPS modems with firmware version R2_2_1ap or later and on MP 775 GPS modems with firmware version R3_0_5ap or later.
  • Page 38 MP 700 Series GPS AT Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description !MPCWINFO=<reset> Reset/Display Connection Watchdog statistics !MPCWINFO? Note: This command is only available on MP 750 GPS modems with firmware version R2_2_1ap or later and on MP 775 GPS modems with firmware version R3_0_5ap or later.
  • Page 39 Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description !MPCWSETUP Set Connection Watchdog (continued) (continued) When a new connection is established, the modem verifies that the DNS server is valid or that pings are possible (depending on the <mode> setting), before the modem begins monitoring for data receipt.
  • Page 40 MP 700 Series GPS AT Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description !MPCWSETUP Set Connection Watchdog (continued) (continued) <PING IP> IP address that the modem pings when the <mode> parameter is set to ping. The format is X.X.X.X where X is a value between 0 and 255.
  • Page 41 !MPDIO=<chan>,<value Set the value at a specified digital IO channel > The MP 700 Series GPS has four digital input/output channels, allowing digital !MPDIO? sensors and gauges to be connected to the modem. All four channels can be <chan>...
  • Page 42 MP 700 Series GPS AT Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description !MPDIOCFG= Digital I/O channel configuration <chan>,<type>, " " <IO label> , <alarm>, Sets the type (input or output), labels, and alarm trigger, for the specified I/O "...
  • Page 43 !MPFBSETUP= Configure the Fallback connection <label>, <username>, The Fallback feature allows the MP 700 Series GPS to automatically establish a <password>, dial-up (circuit-switched) connection when GPRS service is lost during a <phone#> connection. (Fallback is only useful in areas that have GSM but not GPRS coverage.
  • Page 44 " AT!MPGPSCMD= >QST< For a listing of TAIP commands see the TAIP Reference on the Sierra Wireless web site (www.sierrawireless.com) or see the Trimble web site (www.trimble.com). (The GPS module in the modem is the SQ. If no documentation is available for the SQ, see the SVeeEight Plus GPS System Designer Reference Manual.)
  • Page 45 Receiver St2 As returned by the TAIP command, >QST<. The codes indicate the operational status of the GPS module. (TAIP command documentation is available on the Trimble and Sierra Wireless web sites. See !MPGPSCMD.) Continued on next page. Rev 3.2 Oct.05...
  • Page 46 MP 700 Series GPS AT Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description !MPGPSDATA? Report current GPS data (continued) (continued) Latitude Latitude in this form:AB.C.D.E: Direction (N=North, S=South, U=Unknown) Degree Minute Second Second (decimal place) Longitude Longitude in this form:AB.C.D.E:...
  • Page 47 Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description !MPGPSESC= Set method of escaping from GPS output mode to AT command mode <escape> Sets the method of switching from GPS output mode (in which TAIP or NMEA !MPGPSESC? data is sent directly the COM port) to using the COM port to issue AT commands.
  • Page 48 !MPGPSRESET=[<prot Reset GPS module ocol>] The MP 700 Series GPS has an embedded Trimble SQ GPS module.The module supports TAIP/TSIP (Trimble ASCII Interface Protocol/Trimble Standard Interface Protocol) and NMEA (National Marine Electronics Association). !MPGPSRESET restarts the GPS module setting the protocol.
  • Page 49 Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description !MPGPSST? Request GPS status This returns a parsed string: State State of the GPS module: 0 Idle 1 Booting up; sending configuration sequence 2 Active 3 Sent remote command; waiting for acknowledgement 4 Sending command sequence (TAIP command) 5 Waiting for results from query command 6 Resetting;...
  • Page 50 This command requires that the module be configured to use the TAIP protocol. (See !MPGPSRESET.) GPS data sent from the MP 700 Series GPS is framed according to a proprietary protocol called RNAP. (RNAP is described in the Software Installation, Configuration, and Integration Guide available on the CD that came with your modem, and on the Sierra Wireless web site, www.sierrawireless.com.) Unless the modem is configured to use NMEA, GPS...
  • Page 51 • AL—Altitude / vertical velocity • ST—Status The TAIP Reference on the Sierra Wireless web site describes these messages in detail. Parameter settings For each parameter (<LN>, <PV>, <CP>, <AL>, <ST>), a setting of 1 enables the message (includes it in the RNAP mesage) and a setting of 0 disables the message.
  • Page 52 MP 700 Series GPS AT Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description !MPIDTIME= Sets the inactivity timeout <value> Sets the interval after which a connection is lost if no data transmission occurs. !MPIDTIME? This applies only if the operating mode is “On demand”. (See !MPOPMODE.) This timeout has no effect during PAD sessions.
  • Page 53 Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description !MPMTCONF Configure MT protocol (continued) (continued) Parameter settings !MPMTCONF? The supported values are: <n> Reporting engine <engid>= • Engine 0 Engine 1 Engine 2 Engine 3 Connection type <ctype>= •...
  • Page 54 If there is a modem-to-GPRS connection, but no host-to-modem connection, the MP 700 Series GPS can send GPS data and provide notification on the state of any connected sensors or gauges. The host-to-modem connection is required if the user wants to web browse or send or receive messages.
  • Page 55 Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description !MPPADCONF= PAD configuration (continued) (continued) Escape option <escape>= • When exchanging binary data, it is best to use option 3 or 4 so that TIES (Time Independent Escape Sequence) is disabled. (Otherwise, if the string “AT+++” occurs in the data, it will cause the modem to switch to command mode.) !MPPADCONF? TIES—the modem switches to command mode on receipt of the sequence:...
  • Page 56 Initiates the PAD connection defined by the !MPPADSETUP command using the configuration specified by the !MPPADCONF command. Note: The MP 700 Series GPS source port number is hard coded and is 7238. This port number should be used as the destination UDP port number by a remote host sending PAD data to the modem.
  • Page 57 !MPPRIVIP? returns the current private IP address. The default is 10.0.0.1 !MPSETDFLT= Set the default GPRS profile <value> The MP 700 Series GPS allows for three profiles. This sets which is the default: <value>=1 • Profile 1 is the default <value>=2...
  • Page 58 !MPSETUP= Configure a GPRS profile <index>,<label>, <username>, The MP 700 Series GPS allows for up to three GPRS profiles. See the Software <password>, Installation, Configuration, and Integration Guide on the MP 700 Series GPS <apn> CD for more detailed information about profiles. (The username, password, and APN should be obtained from your service provider.)
  • Page 59 Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description !MPUSB=<n> Enable / disable USB operation This command is only available on modems with firmware version 2.0 or !MPUSB? greater. The MP 750 GPS can be connected to the host PC with either a serial or USB cable.
  • Page 60 MP 700 Series GPS AT Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description !MPWATCHER Enable / disable NAT support (continued) (continued) This command also sets a LAN flag used only for testing. This flag only has effect when the host PC is connected to the MP 750 GPS by a USB cable.
  • Page 61 Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description &W Store user-defined profile Saves current configuration settings into non-volatile memory. When the modem is reset or powered off and on, these settings are restored. This only saves settings configured with these commands: ATE, ATV, ATQ, ATL, ATM, ATX, and AT&C.
  • Page 62 MP 700 Series GPS AT Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +CCFC=<reas>, Call forwarding number and conditions <mode> [,<number>] Controls the call forwarding features of the modem, if available on the GSM [,<type>] network and supported by the user’s carrier and subscrtion plan. The command [,<class>]...
  • Page 63 Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +CCFC Call forwarding number and conditions (continued) (continued) <subaddr> is a string-type subaddress of the format specified by <satype>. <satype> is the type of subaddress in integer format. The default is <satype>=128.
  • Page 64 MP 700 Series GPS AT Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +CCWA (continued) Call waiting control (continued) <class> is a sum of integers each representing a class of information: • voice • data • all classes (default) <status>...
  • Page 65 +CGACT=? requests information on the supported PDP context activation states. +CGATT=<state> GPRS attach or detach +CGATT? Attaches or detaches the Sierra Wireless modem from the GPRS network: <state>=0 detaches from the GPRS network. • <state>=1 attaches to the GPRS network. •...
  • Page 66 +CGCLASS= GPRS mobile station class <class> The Sierra Wireless modem operates only as a Class B device. (That is, it can +CGCLASS? be simultaneously attached to GSM and GPRS and can transmit voice or data.) This command exists to query the device and to conform to GSM/GPRS +CGCLASS=? specifications, but only one set value is supported.
  • Page 67 +CGDCONT? returns the current settings for each defined context, while +CGDCONT=? returns values supported as a compound value. (The parameter value ranges for each <PDP_type> are returned on a separate line.) Note: The Sierra Wireless modem supports only one active PDP context at a time. Supported values The set command specifies a number of parameters: <cid>...
  • Page 68 MP 700 Series GPS AT Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +CGEQMIN=[<cid> Set or Query Minimum Quality of Service Profile [,<Traffic class> [,<Maximum bitrate Specifies a minimum acceptable Quality of Service (QoS) profile for the specified local context identification parameter <cid>.
  • Page 69 Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +CGEQMIN (continued) Set or Query Minimum Quality of Service Profile (continued) <Guaranteed bitrate DL> is a number specifying the guaranteed speed (kbps) of downlink traffic delivered by an SAP (Service Access Point). When this parameter is set to “0”, the modem requests the subscribed value.
  • Page 70 MP 700 Series GPS AT Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +CGEQREQ=[<cid> Set or Query Requested Quality of Service Profile [,<Traffic class> [,<Maximum bitrate Specifies a Quality of Service Profile to be used when the modem sends an UL>]...
  • Page 71 +CGEV: ME CLASS <class> – The mobile equipment has forced a change of MS class. The highest available class is reported (see +CGCLASS, page 64). +CGMI Request manufacturer identification Identifies Sierra Wireless as the manufacturer of the modem, returned as a text string. Equivalent to +GMI (page 97). +CGMM Request model identification Returns a text string identifying the model of the modem.
  • Page 72 MP 700 Series GPS AT Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +CGPADDR Show PDP address [=<cid>] Returns a list of PDP addresses for the specified context identifier. +CGPADDR=? The command returns the IP address. The address may be static or dynamic.
  • Page 73 Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +CGQMIN Set or query minimum acceptable quality of service (continued) (continued) <precedence> • Specifies the precedence class where 0=subscribed, 1=high, 2=medium, and 3=low. <delay> • is a numeric parameter which specifies the delay class where 0=subscribed, 1=low, 2=medium, 3=high, and 4=best effort.
  • Page 74 MP 700 Series GPS AT Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +CGREG=<n> GPRS network registration status For GPRS data connections, +CGREG=<n> controls the presentation of an +CGREG? unsolicited result code, which appears in one of several forms depending on the value of <n>...
  • Page 75 Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +CLCC List current calls Lists the current calls and their type, if any available. Each call reports on a different line in this format: +CLCC: <id1>,<dir>,<state>,<bst>,<conf>, <number>,<type>,<alpha> Returned values <idx>...
  • Page 76 MP 700 Series GPS AT Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +CLCK=<fac>, Facility lock <mode> [,<passwd>] Locks, unlocks, or interrogates the modem or a network facility specified in <fac>. +CLCK=? returns a list of supported <fac>s.
  • Page 77 +CLIP:1,2CLI disabled, CLIP network status unknown +CLIR=<n> Calling line identification restriction +CLIR? Sets whether the Sierra Wireless modem respects the remote caller’s restriction of CLI (Calling Line Identity) information, and queries the status of CLIR service on the network. Supported values To set the CLIR status, the following values are supported: <n>=0 Presents CLI information according to the CLIR subscription setting...
  • Page 78 MP 700 Series GPS AT Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +CLIR (continued) Calling line identification restriction (continued) Note: CLIR can only be invoked and suppressed if subscription to the service allows for it. +CLIR? returns the current setting and CLIR network status:...
  • Page 79 Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description PDU mode: Send SMS command +CMGC= Sends an SMS Command message from the host computer to the network <length> (SMS-COMMAND). The message reference value <mr> is returned (as +CMGC: <mr>) to the host computer if the message is successfully delivered, and can be used to identify the message if an unsolicited delivery status code is Text mode: received.
  • Page 80 MP 700 Series GPS AT Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +CMGF=<n> Select SMS message format Specifies the input and output format of messages to use. <n> indicates the +CMGF? format of messages used with send, list, read and write commands and unsolicited result codes resulting from received messages.
  • Page 81 Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +CMGL (continued) List SMS messages (continued) Supported values The format of <status> depends on whether the modem is in PDU or text mode. In PDU mode, it is an integer; in text mode, a string: PDU Mode Text Mode Meaning...
  • Page 82 (as specified for <pdu> on page 79) and given in one line. The Sierra Wireless modem converts this coding into the actual octets of the PDU. When the length octet of the SMSC address (given in the <pdu data>) equals zero, the SMSC address set with command Service Centre Address +CSCA (see page 93) is used.
  • Page 83 Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +CMGS (continued) Send SMS message (continued) The text in <message text> is sent to the address <da>. <toda> is optional— when the first character of the phone number is “+” (IRA 43), it will default to 145;...
  • Page 84 MP 700 Series GPS AT Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +CNMI=<mode> New SMS message indications [,<mt>][,<bm>] [,<ds>][,<bfr>] Sets or queries how the computer is notified of new messages when the modem is active. <mode> controls the processing of unsolicited result codes, +CNMI? <mt>...
  • Page 85 Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +CNMI (continued) New SMS message indications (continued) <ds> may be one of two values: <ds>=0: No SMS-STATUS-REPORTs returned • <ds>=1: SMS-STATUS-REPORTs returned: • +CDS: <length><CR><LF> <pdu data> (PDU mode enabled) +CDS: <fo>,<mr>,[<ra>],[<tora>],<scts>,<dt>,<st>...
  • Page 86 MP 700 Series GPS AT Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +CNUM (continued) Retrieves the MSISDN from the SIM (continued) <speed> is the data rate as defined by the +CBST command. (See page 59.) <service> is the service related to the phone number: 0 Asynchronous modem •...
  • Page 87 Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +COPS (continued) Operator selection (continued) +COPS? returns the current mode and the currently selected operator. If no operator is selected, <format> and <operator> are omitted. +COPS=? returns a list of quadruplets, each representing an operator present on the GSM network, follows by a list of supported <modes>...
  • Page 88 <status>=3: Forbidden • +CPAS Modem activity status Returns the activity status of the Sierra Wireless modem in the form: +CPAS: <n>. The command can be used to interrogate the modem before requesting action from it. Supported values <n> can have one of six values: <n>=0: Ready to accept commands.
  • Page 89 Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +CPBF Find phonebook entries (continued) (continued) Supported values <string> is alphanumeric, with a maximum length of <tlength> as noted above. Returned parameters from searches are: <index>: Integer values indicating the phonebook location of the returned •...
  • Page 90 MP 700 Series GPS AT Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +CPBW Write phonebook entry =[<index>], [<number>] Creates, overwrites, or erases a phonebook entry in the memory specified by +CPBS (see page 87). The parameters are the same as defined in +CPBF [,<format>]...
  • Page 91 Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +CPIN=<pin> Enter PIN [,<newpin>] Sends a PIN (Personal Identification Number) password <pin> to the modem in +CPIN? order to authenticate a command. There are several types of PINs, described below.
  • Page 92 MP 700 Series GPS AT Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +CR=<n> Service reporting control Sets whether service type is returned (using the result code +CR: <service>) +CR? when the modem has determined which speed and quality of service will be...
  • Page 93 <ci> is a string specifying a two-byte cell ID in hexadecimal format. +CRES Restore SMS settings Restores the SMS settings of the Sierra Wireless modem for +CMGF (page 78), +CNMI (page 82), and +CSDH (page 93) from settings stored in non-volatile memory.
  • Page 94 MP 700 Series GPS AT Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +CRLP[=<iws>] Radio link protocol [,<mws>][,<T1>] When originating non-transparent data calls, the +CLRP command sets the [,<N2>] [,<version>] Radio Link Protocol (RLP) parameters. +CRLP? +CRLP? returns current settings for each supported RLP <version>, each on a...
  • Page 95 This command is available for querying and to support GSM standards only. The Sierra Wireless modem supports only the GSM standard character set, <string>=GSM, which is the GSM default alphabet (GSM 03.38 subclause 6.2.1).
  • Page 96 Other parameters are as described for +CMGR on page 79. +CSMS= SMS message service <service> Selects the SMS message service to be used by the Sierra Wireless modem, as specified in <service>. It returns the types of messages supported by the +CSMS? service in the form: +CSMS: <mt>,<mo>,<bm>...
  • Page 97 Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +CSTA Type of address [=<string>] Selects the type of number to be used for further dialing commands according to +CSTA? GSM specifications. +CSTA? returns the current setting. Supported values <type>...
  • Page 98 MP 700 Series GPS AT Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +CTMSET= Enable / disable support for CTM / TTY [<enableMOCtm>], [<enableCtm>], Enables and disables support for CTM (Cordless Terminal Mobility). When [<ctmInterface>], enabled, the modem can be used with a TTY (TeleTYpe device). (The TTY is a [ctmBaudotRate>]...
  • Page 99 (V.42bis P2). +DS? reports the current settings. +GMI Modem manufacturer Returns a text string listing Sierra Wireless as the manufacturer of the modem. Equivalent to +CGMI (page 69). +GMM Modem model Returns a text string identifying the model of Sierra Wireless modem in use.
  • Page 100 MP 700 Series GPS AT Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +GSN Display IMEI Returns the IMEI (International Mobile Equipment Identity) of the modem. The IMEI uniquely identifies each device on the GSM network. The same value is returned by +CGSN. (See page 72).
  • Page 101 Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description +IPR (continued) Fixed local data rate (continued) Note: Watcher can only communicate with the modem when the data rate is at 115200 kbps. If you intend to run Watcher, using autobaud or any setting other than 115200, is NOT recommended.
  • Page 102 MP 700 Series GPS AT Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description Reissue last AT command Re-executes the last command string entered. The last-executed command remains in the command buffer until AT is entered again or the modem is reset or power-cycled.
  • Page 103 Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description E[<n>] Command echo mode Controls echoing of characters received from the host back to the host when in command state. This also affects framing of responses. (See “Response and Result Framing”...
  • Page 104 MP 700 Series GPS AT Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description O[0] Switch from command state to data state The 0 parameter (ATO0) Switches modem to from online command state to online data state. The modem responds with the normal CONNECT response codes (if enabled) as if is the only one permitted.
  • Page 105 Command Reference Table 3-9: Command Reference Table (ASCII Alphabetic) Command Description V[<n>] (continued) Verbose result code format (continued) This command also affects framing of responses (see page 20 for details). Settings for <n> are: 0: Numeric result codes • 1: Verbose result codes (default) •...

  • Page 106: Status Registers

    MP 700 Series GPS AT Command Reference Status Registers Some of these registers relate to the call progress timing at the IWF (the interface between the GSM network and the PSTN) with the PSTN connection. These are noted below using the (Remote) tag.
  • Page 107 Command Reference Table 3-10: S registers (cont.) Reg. Description Range Default Units Length of pause before dialing (ignore dial tone) 0–255 seconds This register denotes the wait time (between 2 and 10 seconds) before a blind dial, with no dial tone detection. The default value is <n>=2 seconds.

  • Page 108: Result Codes

    MP 700 Series GPS AT Command Reference Result Codes The Sierra Wireless modem returns result codes when AT commands are entered. These result codes can be numeric or verbose (English language), as described beginning on page 19 of this document. The available codes are described in the following sections.

  • Page 109: Factory Default Settings

    Command Reference Factory Default Settings &F (Reset modem to factory default) restores these settings, overwriting any that currently differ from the factory defaults. Table 3-12: Profile settings Command Description Factory &C Data carrier detect (DCD) options &D Data terminal ready (DTR) options +CBST Select bearer service type 7,0,1...
  • Page 110 MP 700 Series GPS AT Command Reference Table 3-12: Profile settings (cont.) Command Description Factory S registers Number of rings before answer (or 0 (disabled) accept/reject PDP context activation request) Command line termination 013 (CR) character (usually <CR>) Response formatting character 010 (LF) (usually <LF>)
  • Page 111 Appendix A: ASCII Table Char Char Char “ & XOFF ’ < > Rev 3.2 Oct.05...
  • Page 112 MP 700 Series GPS AT Command Reference Char Char Char ‘ 2130309...
  • Page 113 Index always on operating mode, 52 data buffer, 17– 18 analog I/O ports, 32 Data Carrier Detect See DCD. data compression, 96 data rate, 98 data state, 15, 86 changing from, 16 band See frequency band. changing to, 16, 102 bar services, 34 entering, 64 BER, 95...
  • Page 114 Index GPRS attach, 64 attach/detach, 63 manufacturer, 69, 97 commands, 28– 29 mobile equipment error, 76 connection, 52 mobile ID, 101 connections, barring, 34 mobile station class, 64 connections, error report, 62 mode, 15 connections, establishing, 100 CSD, 15 event reporting, 68 GPRS, 15 mobile station class, 64 in combination with state, 16...
  • Page 115 Index quiet mode, 102 speaker volume, 101 S-register, 102 state, 15, 86 changing, 102 command, 15 Radio Link Protocol See RLP. data, 15 read, 79 data, entering, 64 Received Signal Strength Indicator See RSSI. in combination with condition, 16 registers, 19, 102, 104– 106 in combination with mode, 16 registration status, 72, 91 transitioning between, 16...
  • Page 116 Index Rev 3.2 Oct.05...

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