Sierra Wireless UMTS Command Reference Manual
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Sierra Wireless UMTS Command Reference Manual

Umts modems supported at
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UMTS Modems
Supported AT Command Reference
Includes:
AC850
AC860
AC875 / AC875U
AC880 / AC880E / AC880U
AC881 / AC881E / AC881U
MC8755 / MC8755V / MC8765
MC8775 / MC8775V
MC8780 / MC8781
2130617
Rev 2.4

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Summary of Contents for Sierra Wireless UMTS

  • Page 1 UMTS Modems Supported AT Command Reference Includes: AC850 AC860 AC875 / AC875U AC880 / AC880E / AC880U AC881 / AC881E / AC881U MC8755 / MC8755V / MC8765 MC8775 / MC8775V MC8780 / MC8781 2130617 Rev 2.4...
  • Page 3 Do not operate the Sierra Wireless modem in any aircraft,  whether the aircraft is on the ground or in flight. In aircraft, the  Sierra Wireless modem MUST BE POWERED OFF. When  operating, the Sierra Wireless modem can transmit signals that  could interfere with various onboard systems. 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 the  Sierra Wireless modem while in control of a vehicle. Doing so  will detract from the driver or operatorʹs control and operation  of that vehicle. In some states and provinces, operating such ...
  • Page 4 Supported AT Command Reference REVENUE OR ANTICIPATED PROFITS OR REVENUE  ARISING OUT OF THE USE OR INABILITY TO USE ANY  SIERRA WIRELESS PRODUCT, EVEN IF SIERRA WIRELESS  AND/OR ITS AFFILIATES HAS BEEN ADVISED OF THE  POSSIBILITY OF SUCH DAMAGES OR THEY ARE  FORESEEABLE OR FOR CLAIMS BY ANY THIRD PARTY. Notwithstanding the foregoing, in no event shall Sierra  Wireless and/or its affiliates aggregate liability arising under or  in connection with the Sierra Wireless product, regardless of  the number of events, occurrences, or claims giving rise to  liability, be in excess of the price paid by the purchaser for the  Sierra Wireless product. Patents Portions of this product may be covered by some or all of the  following US patents: 5,515,013 5,629,960 5,845,216 5,847,553 5,878,234 5,890,057 5,929,815 6,169,884 6,191,741 6,199,168 6,339,405 6,359,591 6,400,336 6,516,204 6,561,851 6,643,501 6,653,979 6,697,030 6,785,830 6,845,249 6,847,830 6,876,697 6,879,585 6,886,049...

  • Page 5: Contact Information

    QUALCOMM  is a registered trademark of QUALCOMM  Incorporated. Used under license. Other trademarks are the property of the respective owners. Contact Information Sales Desk: Phone: 1-604-232-1488 Hours: 8:00 to 5:00 Pacific Time sales@sierrawireless.com E-mail: Post: Sierra Wireless 13811 Wireless Way Richmond, BC Canada V6V 3A4 Fax: 1-604-231-1109 www.sierrawireless.com Web: Consult our website for up‐to‐date product descriptions,  documentation, application notes, firmware upgrades, trouble‐ shooting tips, and press releases: www.sierrawireless.com Revision History Revision...
  • Page 6 Supported AT Command Reference Proprietary and Confidential 2130617...

  • Page 7: Table Of Contents

    Table of Contents About this Guide ......... . .7 Introduction .
  • Page 8 Supported AT Command Reference Memory Management Commands ......59 Introduction ............59 Command summary .

  • Page 9: About This Guide

    Note: When designing applications that use these AT commands, use ® Watcher (and other Sierra Wireless applications) as functionality templates to ensure proper use of command groups. For questions or concerns relating to command implementation, please contact your Sierra Wireless account representative.

  • Page 10: Result Codes

    Supported AT Command Reference Result codes Result codes are not shown in the command tables unless  special conditions apply. Generally the result code   is  ERROR returned when the command has been executed.   may  be returned if parameters are out of range, and will be  returned if the command is not recognized or is not permitted  in the current state or condition of the modem. Terminology and acronyms This document makes use of acronyms that are in common use  in data communications and cellular technology. Our Internet  site provides a Glossary of Terms and Acronyms (document  number 2130891) that may be helpful in understanding some  acronyms and terminology used in this guide. Current firmware versions Versions This document is revised periodically as new  Document Note: Revision codes that firmware versions are released. This edition is: include letters, such as 2.1A, are to be considered drafts and are Rev 2.4 Jan.08 subject to change before final...

  • Page 11: Document Structure

    About this Guide Upgrading If your modem firmware is an earlier version, you can acquire  updated firmware by contacting your account manager. Document structure This document assumes you have the 3GPP TS 27.007 AT  command documentation (see page 7). This reference includes  Supported 27.007 AT commands a chapter covering  , as well as  the proprietary commands listed in the tables below. Each  table corresponds to one chapter in this guide. Note: The ‘Supporting modems’ column indicates which Mini Card embedded module (MC) and AirCard modem (AC) models support each command. If an entry is marked with an asterisk (‘*’), a firmware upgrade may be required.
  • Page 12 Supported AT Command Reference Table 1-1: Modem status and reset commands (Continued) Cmnd Description Supporting modems !GETRAT Returns the current active radio access technology (RAT) !GRELIMEI Returns the modem’s production IMEI All* !GRESET Resets the modem !GSMINFO Displays 2G network information !GSTATUS Returns operational status !GVER...
  • Page 13 About this Guide Table 1-1: Modem status and reset commands (Continued) Cmnd Description Supporting modems ^SYSINFO Returns service status information All* !TIME Queries / sets current time of day !UDINFO Queries / sets current time of day All* +UPSC Displays Primary Scrambling Code (WCDMA only) +USET Displays WCDMA set information &V...

  • Page 14: Conventions

    Supported AT Command Reference Table 1-4: Memory management commands Cmnd Description Supporting modems !NVBACKUP Backs up items stored in non-volatile memory SIM Commands This chapter describes commands that  communicate with an installed (U)SIM. Table 1-5: SIM commands Cmnd Description Supporting modems !ICCID Returns (U)SIM card’s ICCID Conventions The following format conventions are used in this reference: Character codes or keystrokes that are described with words or ...
  • Page 15 About this Guide Result Code This is a numeric or text code that is returned  after all commands (except resets).  Only one result code is  returned for a command line regardless of the number of  individual commands contained on the line. Response This term indicates a response from the modem  that is issued prior to a result code.  Reading registers or  issuing commands that report information will provide a  response followed by a result code unless the command  generates an error. Responses and result codes from the modem, or host system  software prompts, are shown in this font: CONNECT 14400 Rev 2.4 Jan.08...
  • Page 16 Supported AT Command Reference 2130617...
  • Page 17 2: Supported GSM / WCDMA AT Commands This chapter identifies which ITU‐T Recommendation V.250,  3GPP TS 27.005, and 3GPP TS 27.007 AT commands are  supported on regular and voice‐enabled Sierra Wireless  AirCard modems (850/860/875/880/881) and Mini Card  embedded modules (MC8755/65/75/80/81). These commands  are used to: • Control serial communications over an asynchronous  interface (ITU‐T Recommendation V.250) • Control SMS functions for devices on GSM/WCDMA  networks (3GPP TS 27.005) • Control devices operating on GSM/WCDMA networks  (3GPP TS 27.007) The ITU‐T specification, Serial Asynchronous Dialling and  Control (Recommendation V.250), is available on the International  Telecommunication Union web site, www.itu.int, and the  3GPP specification documents, 3GPP TS 27.007 V3.13.0 (2003‐ 03) and 3GPP TS 27.007 V3.13.0 (2003‐03), are available on the  3GPP web site, www.3gpp.org. The tables below identify whether each command is supported  on AirCard modems and Mini Card embedded modules. An  “N/A” in the Supported column of the table indicates that the  command is related to a feature (such as voice) that is not  available on the modems. Some commands are partially supported—the descriptions for  these commands identify any limitations on command usage.  Also, some commands are described in more detail in later  chapters—the descriptions for these commands link to those  detailed entries (for example, &V in Table 1). Table 1: Supported ITU-T Recommendation V.250 AT commands Command Description Supported...
  • Page 18 Supported AT Command Reference Table 1: Supported ITU-T Recommendation V.250 AT commands (Continued) Command Description Supported &V Return operating mode AT configuration parameters &W Store current parameter to user-defined profile V42bis data compression report V42bis data compression +GCAP Request complete TA capabilities list +GMI Request manufacturer identification +GMM...

  • Page 19: Supported Gsm / Wcdma At Commands

    Supported GSM / WCDMA AT Commands Table 1: Supported ITU-T Recommendation V.250 AT commands (Continued) Command Description Supported Set number of rings before automatically answering the call Set disconnect delay after indicating the absence of data carrier Set command line termination character Set response formatting character Set command line editing character Set pause before blind dialing...
  • Page 20 Supported AT Command Reference Table 2: Supported 27.005 AT commands (Continued) Command Description Supported +CSDH Show text mode parameters +CSMP Set text mode parameters +CSMS Select message service +CBM Cell broadcast message directly displayed +CMT Incoming message directly displayed +CDS SMS status report after sending a SMS +CBMI Cell broadcast message stored in memory at specified <index>...
  • Page 21 Supported GSM / WCDMA AT Commands Table 3: Supported 27.007 AT commands (Continued) Command Description Support +CAMM Accumulated call meter maximum +CANCHEV NCH Support Indication +CAOC Advice of Charge +CAPD Postpone or dismiss an alarm +CAPTT Talker Access for Voice Group Call +CAREJ Reject an incoming Voice Group or Voice Broadcast Call +CAULEV...
  • Page 22 Supported AT Command Reference Table 3: Supported 27.007 AT commands (Continued) Command Description Support +CGCLOSP Configure local octet stream PAD parameters +CGCMOD PDP Context Modify +CGDATA Enter data state +CGDCONT Define PDP Context +CGDSCONT Define Secondary PDP Context +CGEQMIN 3G Quality of Service Profile (Minimum acceptable) +CGEQNEG 3G Quality of Service Profile (Negotiated) +CGEQREQ...
  • Page 23 Supported GSM / WCDMA AT Commands Table 3: Supported 27.007 AT commands (Continued) Command Description Support +CIMI Request international mobile subscriber identity +CIND Indicator control +CKEV Key press or release event +CKPD Keypad control +CLAC List all available AT commands +CLAE Language Event +CLAN...
  • Page 24 Supported AT Command Reference Table 3: Supported 27.007 AT commands (Continued) Command Description Support +CPIN Enter PIN +CPOL Preferred operator list +CPROT Enter protocol mode +CPUC Price per unit and currency table +CPWC Power class +CPWD Change password Service reporting control +CRC Cellular result codes +CREG...
  • Page 25 Supported GSM / WCDMA AT Commands Table 3: Supported 27.007 AT commands (Continued) Command Description Support +CUSD Unstructured supplementary service data +CV120 V.120 rate adaption protocol +CVHU Voice Hangup Control +CVIB Vibrator mode ITU T V.25ter [14] dial command D*99# Sets up a packet data call (PDP context) based on profile ID #1 D*99***<n># Sets up a packet data call (PDP context) based on profile ID #<n>...
  • Page 26 Supported AT Command Reference 2130617...

  • Page 27: Modem Status, Customization, And Reset Commands

    3: Modem Status, Customization, and Reset Commands • Introduction • Command summary Introduction • Command reference This chapter describes commands used to reset the modem,  adjust customization settings, retrieve the firmware version,  and monitor the temperature, voltage, and modem status. Command summary The table below lists the commands described in this chapter. Table 3-1: Modem status commands Command Description Page !BAND Selects a set of frequency bands / queries current selection !BCINF Returns the bootloader version !BOOTHOLD...
  • Page 28 Supported AT Command Reference Table 3-1: Modem status commands (Continued) Command Description Page !NVPORTSET Assigns appropriate USB endpoint AT port !PCTEMP Returns current temperature information !PCVOLT Returns current power supply voltage information !POWERDOWN Powers down the system !REL Queries the active protocol / revision !RESET Resets the modem +RSCP...

  • Page 29: Modem Status, Customization, And Reset Commands

    Modem Status, Customization, and Reset Commands Command reference Table 3-2: Modem status, customization, and reset commands Command Description !BAND=<bandsetInd> Selects a set of frequency bands / queries current selection !BAND=? This command is used to configure the modem to operate on a set of frequency bands, to look up the sets available, and to query the current !BAND? selection.
  • Page 30 Supported AT Command Reference Table 3-2: Modem status, customization, and reset commands (Continued) Command Description Returns the bootloader version !BCINF Supporting modems: This command is used to return the module’s bootloader version. • Usage: • AT!BCINF returns several values—the bootloader version is the second parameter returned.
  • Page 31 • 1 = Available technologies on current network • 2 = All technologies supported by the modem <tech> (technology type): • ASCII string • Valid values: “GSM”, “GPRS”, “EDGE”, “UMTS”, “HSDPA”, “HSUPA” (only when <n> = 1) Rev 2.4 Jan.08...
  • Page 32 Supported AT Command Reference Table 3-2: Modem status, customization, and reset commands (Continued) Command Description Returns or enables / disables return of averaged CQI +CQI? (Channel Quality Indicator) value (WCDMA only) +CQI=<enableFlag> This command returns the averaged CQI from the modem. Supporting modems: Usage: •...
  • Page 33 Modem Status, Customization, and Reset Commands Table 3-2: Modem status, customization, and reset commands (Continued) Command Description +ECIO? Returns total Energy per chip per power density value (WCDMA only) Supporting modems: • This command returns the total energy per chip per power density (Ec/Io) value of the active set’s three strongest cells.
  • Page 34 Supported AT Command Reference Table 3-2: Modem status, customization, and reset commands (Continued) Command Description Displays 2G network information !GSMINFO? Supporting modems: This command returns 2G network information for the ‘serving’ cell and up • MC8775 (minimum to 6 ‘neighbor’ cells. FW rev: H1_1_8_13mcap) Parameters: (referenced in example below) •...
  • Page 35 Modem Status, Customization, and Reset Commands Table 3-2: Modem status, customization, and reset commands (Continued) Command Description !GSMINFO Displays 2G network information (Continued) Example AT!GSMINFO? returns: !gsminfo: Serving Cell: PLMN: <mccmnc> LAC: <lac> Cell ID: <cellid> BSIC: <bsic> NCC: <ncc> BSCC: <bscc>...
  • Page 36 Supported AT Command Reference Table 3-2: Modem status, customization, and reset commands (Continued) Command Description Returns operational status !GSTATUS? Supporting modems: This command returns specific details about the current operational status • of the modem. Parameters: <ctime>: Current time (Seconds from bootup) ±...
  • Page 37 Modem Status, Customization, and Reset Commands Table 3-2: Modem status, customization, and reset commands (Continued) Command Description !GVER? Returns the firmware version Supporting modems: This command returns the firmware version as a string in the format • version yyyy/mm/dd hh:mm:ss. ^HVER Returns the modem hardware version Supporting modems:...
  • Page 38 Supported AT Command Reference Table 3-2: Modem status, customization, and reset commands (Continued) Command Description Returns current power supply voltage information !PCVOLT? Supporting modems: This command returns the module’s power supply state and actual • All MC modems voltage. Usage: •...
  • Page 39 Modem Status, Customization, and Reset Commands Table 3-2: Modem status, customization, and reset commands (Continued) Command Description !REL? Queries the active protocol / revision Supporting modems: This command is used to indicate the modem’s current protocol, SGSN, • and MSC revision settings. Usage: •...
  • Page 40 Supported AT Command Reference Table 3-2: Modem status, customization, and reset commands (Continued) Command Description Activates / deactivates PDP context for FIFO interface !SCACT? [<pid>] This command is used to activate or deactivate the specified PDP context !SCACT=<state>[, <pid>] for FIFO interface. Supporting modems: Usage: •...
  • Page 41 Modem Status, Customization, and Reset Commands Table 3-2: Modem status, customization, and reset commands (Continued) Command Description !SCDNS?<pid> Queries / sets profile ID DNS address This command is used to query / set the primary and secondary DNS !SCDNS=<pid>, addresses of a profile. <pri_dns>,<sec_dns>...
  • Page 42 Supported AT Command Reference Table 3-2: Modem status, customization, and reset commands (Continued) Command Description Queries / sets SWI-specific profile information !SCPROF?<pid> This command is used to query / set the SWI specific information for a !SCPROF=<pid>,<label>, profile. <autoconnect>, Usage: <promptforpassword>, •...
  • Page 43 • AT!SELRAT=<ratInd> sets the desired RAT configuration. Parameters: <ratInd> (RAT configuration index): • 00 = Automatic • 01 = UMTS 3G only • 02 = GSM 2G only • 03 = UMTS 3G preferred • 04 = GSM 2G preferred...
  • Page 44 Supported AT Command Reference Table 3-2: Modem status, customization, and reset commands (Continued) Command Description Queries / sets SMS retry period and interval !SMSRETRY? This command is used to configure the SMS retry period and interval for !SMSRETRY=? MO-SMS. Usage: !SMSRETRY=<period>, •...
  • Page 45 Modem Status, Customization, and Reset Commands Table 3-2: Modem status, customization, and reset commands (Continued) Command Description !SMSSTSEN? Enables / disables SMS status reports This command is used to enable / disable SMS status reports for MO-SMS !SMSSTSEN=? messages, and to indicate if the user should be able to enable / disable the reports.
  • Page 46 Supported AT Command Reference Table 3-2: Modem status, customization, and reset commands (Continued) Command Description Enables / disables Call Progress Notification !SWICALLPROG? This command is used to enable or disable call progress notification. This !SWICALLPROG allows the host to receive call status updates such as type of call, =<cpnStatus>...
  • Page 47 Modem Status, Customization, and Reset Commands Table 3-2: Modem status, customization, and reset commands (Continued) Command Description !SWICALLPROG Enables / disables Call Progress Notification (Continued) (Continued) <mpty> (Multiparty status): • 0 = Not part of a multiparty (conference) call • 1 = Part of a multiparty (conference) call <number>...
  • Page 48 Supported AT Command Reference Table 3-2: Modem status, customization, and reset commands (Continued) Command Description Queries / sets system configuration information ^SYSCONFIG? This command is used to set and retrieve the modem’s configuration. ^SYSCONFIG=<mode>, Usage: <acqorder>, <roam>, <srvDomain> • AT^SYSCONFIG= sets the various configuration parameters. You must specify all of the parameters.
  • Page 49 Modem Status, Customization, and Reset Commands Table 3-2: Modem status, customization, and reset commands (Continued) Command Description ^SYSINFO Returns service status information Supporting modems: This command returns current service type and availability information, • and the current status of the module’s SIM in the format <srvStatus> <srvDomain>...
  • Page 50 Supported AT Command Reference Table 3-2: Modem status, customization, and reset commands (Continued) Command Description Queries / sets current time of day !TIME=<YYYY>, <MM>, <DD>, <hh>, <mm>, <ss> This command is used to set and retrieve the current time of day—the [, <TZ>, <DST>] time of day can be set using this command, or could be set by the network.
  • Page 51 <pid> – Product ID • Valid range: 0000–FFFF <manuf string> – Manufacturer string • ASCII string (29 characters maximum) • Example: “Sierra Wireless, Incorporated” <product string> – Product string • ASCII string (64 characters maximum) • Example: “Mini Card” +UPSC...
  • Page 52 Supported AT Command Reference Table 3-2: Modem status, customization, and reset commands (Continued) Command Description Displays WCDMA set information +USET?<set> This command displays WCDMA set information (Active Set, Candidate +USET=? Set, etc.). Supporting modems: Usage: • • AT+USET?<set> returns detailed information about each item in the <set>.
  • Page 53 Modem Status, Customization, and Reset Commands Table 3-2: Modem status, customization, and reset commands (Continued) Command Description +USET Displays WCDMA set information (Continued) <ref> – Reference PSC designator string • Displays “(REF)” if this is the reference PSC <ssc> – Secondary Scrambling Code •...
  • Page 54 Supported AT Command Reference 2130617...

  • Page 55: Diagnostic Commands

    4: Diagnostic Commands • Introduction • Command summary Introduction • Command reference This chapter describes commands used to diagnose modem  problems.  Command summary The table below lists the commands described in this chapter. Table 4-1: Diagnostic commands Cmnd Description Page !AUTH Runs GSM algorithm on SIM !GCIPHER Enables / disables ciphering and integrity settings !MXSTATS Displays / clears 27.010 statistics Command reference Table 4-2: Diagnostic command details Command...
  • Page 56 Supported AT Command Reference Table 4-2: Diagnostic command details (Continued) Command Description Enables / disables ciphering and integrity settings !GCIPHER = <setting> To register onto a network with WCDMA service, the modem’s ciphering !GCIPHER? and integrity settings must be enabled or disabled to match the network settings.
  • Page 57 Diagnostic Commands Table 4-2: Diagnostic command details (Continued) Command Description !MXSTATS=0 Displays / clears 27.010 statistics TS 27.010 is a standard that defines a multiplexing protocol between a !MXSTATS? mobile station and a terminal. This standard is supported on the modem and AT!MXSTATS is used to display statistics related to that protocol for Supporting modems: debugging purposes.
  • Page 58 Supported AT Command Reference 2130617...

  • Page 59: Introduction

    Table 5-2: Test command details Command Description Displays diagnostic information !ERR Supporting modems: This command is used to display diagnostic information that Sierra Wireless • uses to assist in resolving technical issues. !GCCLR Clears crash dump data Supporting modems: This command clears the crash dump and assert data.
  • Page 60 Supported AT Command Reference 2130617...

  • Page 61: Memory Management Commands

    6: Memory Management Commands • Introduction • Command summary Introduction • Command reference The modem has 2 MB of non‐volatile memory that is used to  store: • Factory calibration data • Settings made in a host application such as Watcher The commands in this chapter allow you to back up and  restore the data in non‐volatile memory. Command summary The table below lists the commands described in this chapter: Table 6-1: Memory management command passwords Command Description Page !NVBACKUP Backs up items stored in non-volatile memory Command reference Table 6-2: Memory management command details Command...
  • Page 62 Supported AT Command Reference 2130617...
  • Page 63 7: SIM Commands • Introduction • Command summary Introduction • Command reference This chapter describes commands used to communicate with  an installed (U)SIM. Command summary The table below lists the commands described in this chapter: Table 7-1: SIM command passwords Command Description Page !ICCID Returns (U)SIM card’s ICCID Command reference Table 7-2: SIM command details Command Description !ICCID Returns (U)SIM card’s ICCID Supporting modems: (Supporting modems: All;...
  • Page 64 Supported AT Command Reference 2130617...

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