Multi-Tech Systems MTSGSM Standard AT Commands, International Modem Restrictions, DTn, DPn, Ati

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MultiMobile SoftGSM User Guide

Introduction

This chapter describes all of the AT commands, S-Registers and Result Codes supported by MultiMobile SoftGSM. This information is also available at the MultiMobile SoftGSM website at http:// www.softgsm.com.

International Modem Restrictions

Some dialing and answering defaults and restrictions may vary for international modems. Changing settings may cause a modem to become non-compliant with national telecom requirements in specific countries. Also note that some software packages may have features or lack restrictions that may cause the modem to become non-compliant.

Standard AT Commands

AT

Attention

Syntax

AT

 

Description

Used to see if modem is responding. Just returns OK.

A

Answer incoming call

Syntax

ATA

 

Description

The ATA command is used to make the modem answer an incoming call. If there is

 

no incoming call, the command will return OK and do nothing.

D

Dial number

Syntax

ATDn where n is the number to be dialed.

Description

The ATD command is used to make an outgoing call. The number specified is dialed

 

and the modem tries to establish a connection. For a GSM-call the area code must

 

always be included in the number to be dialed.

DTn

Dial number (tone dialing)

Syntax

ATDTn where n is the number to be tone dialed.

Description

The ATDT command is used to make an outgoing call. The number specified is tone

 

dialed and the modem tries to establish a connection. For a GSM-call, the area code

 

must always be included in the number to be dialed.

DPn

Dial number (pulse dialing)

Syntax

ATDPn where n is the number to be tone dialed.

Description

The ATDP command is used to make an outgoing call. The number specified is pulse

 

dialed and the modem tries to establish a connection. For a GSM-call, the area code

 

must always be included in the number to be dialed.

H

Hang up

Syntax

ATH

 

Description

The ATH command hangs up an ongoing call.

ATI

Identify Modem

Syntax

ATIn where n is as follows

Description

The ATI command is used to show information about the modem

 

ATI0

Displays modem Manufacturer, Product name

 

ATI2

Displays coderevision of modem software

 

ATI3

Displays coderevision of modem software

 

ATI9

Displays modem Manufacturer, Product name

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MTSGSM

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Contents Model Mtsgsm SoftGSM Kit Record of Revisions EMC and Safety ComplianceUser Guide TrademarksContents Appendices Introduction and Description Preview of this Guide Software Loading and ConfigurationIntroduction Introduction and DescriptionRelated Documentation Technical Specifications User Interface Computers supportedMtsgsm Getting Started Unpacking RequirementsSetup Connecting the Phone to the ComputerGetting Started Mtsgsm Software Installation Installing the Software Loading your Driver SoftwareSoftware Loading and Configuration Mtsgsm Utility Software Phonebook ManagerSMS Manager Settings Getting HelpSMS and Phonebook Applications Short Message Service Utility Receiving SMS MessagesPhonebook Utility Sending SMS MessagesSMS and Phonebook Application New Phonebook New RecordDelete Read Phonebook Write PhonebookSettings Service CenterPhonebook File Type of Outgoing SMSCom Port Attached to the Phone Log Modemconversation SoftGSM AT Commands, S-Registers and Error Codes DTn Standard AT CommandsInternational Modem Restrictions DPnAT Commands, S-Registers, and Error Codes ATSATZ ATV0 Result Code Fax AT Commands AT+F+CGMI Extended AT Commands+CBC +CBST+CMGD +CMGF+CGMM +CMEE+CHUP +CMGL+CGSN +CMGR+CNMI +CPAS+CPBR +CPBW +CPBS+CPMS +CSCA +CR+CRC +CRLP +CSMSRegisters +CSQBackspace character No Carrier timeoutS14 Configuration bitmap S10 Lost carrier disconnect timeMultiMobile SoftGSM User Guide S21 Configuration bitmap S22 Configuration bitmapS30 Inactivity timer +CME Error Error CodesS31 Configuration bitmap S95 Negotiation message options+CMS Error Troubleshooting Q1. What is GSM ? Frequently Asked Questions FAQsGeneral FAQs Q4. Why did PCS providers in North America choose GSM ?Q7. Do smart cards come in more than one format ? TroubleshootingQ6. How do smart cards work ? Q10. How popular is GSM in the U.S. and Canada ?Q17. What is the GSM MoU Association ? Q14. What about roaming capabilities ?Q16. What about voice quality of GSM ? Q19. What is the GSM Alliance ? Windows 95/98 FAQsWindows NT FAQs Q22. When is MultiMobile SoftGSM for Windows 95 available ?Troubleshooting Procedures Modem does not respond to commandsWarranty, Service, and Technical Support Software User License Agreement Warranty, Service, and Technical Support Limited WarrantyOn-line Warranty Registration Tech SupportContacting Tech Support via E-mail ServiceMulti-Tech BBS To log on to the Multi-Tech BBSIf you know the file name About the InternetTo Download a file If you don’t know the file nameAbout the Multi-Tech Fax-Back Service Appendices Appendix a Understanding GSM IntroductionAbout GSM Data Faxing Transparent ModeNon-transparent Mode GSM Data BenefitsGSM Data Applications GSM Data Support Additional Facts For More Information MultiMobile SoftGSM User Guide Glossary Mtsgsm Glossary Mtsgsm GSM Acronyms BERCpip GAP ITU Mbcf Pabx RIC TCC Warc Index MTASR1-100

MTSGSM specifications

Multi-Tech Systems MTSGSM is a versatile and robust telecommunications device designed to leverage GSM (Global System for Mobile Communications) technology for various applications, primarily in the field of data communication. The MTSGSM serves as a critical component in enabling remote communication capabilities across multiple sectors, including telecommunications, transportation, utilities, and security.

One of the standout features of the MTSGSM is its ability to provide reliable GSM connectivity, making it an ideal solution for enterprises that require a dependable mobile data connection. The device supports GPRS (General Packet Radio Service) and SMS (Short Message Service), allowing for efficient data transmission and messaging functionality. This dual capability enables businesses to implement a range of applications, from simple remote monitoring to complex machine-to-machine (M2M) communication systems.

In terms of its technological attributes, the MTSGSM is equipped with a powerful embedded processor that ensures high performance and low latency. This processing power enables the device to handle multiple simultaneous connections and data streams, which is vital for applications requiring real-time data exchange such as telemetry, alarm systems, and asset tracking.

Another significant characteristic of the MTSGSM is its modular design, which allows for easy integration into existing systems. The device features a variety of connectivity options, including USB, serial, and Ethernet ports, which facilitate seamless communication with other equipment. This flexibility is crucial for businesses looking to implement GSM technology without overhauling their existing infrastructure.

The MTSGSM is also built with security in mind. It supports various encryption protocols that protect data transmitted over the GSM network. This focus on security is particularly important for industries handling sensitive information, ensuring that data remains secure in transit.

Furthermore, the device is designed for durability and reliability. It operates in a wide temperature range and can withstand harsh environmental conditions, making it suitable for deployment in diverse settings, from remote monitoring stations to urban infrastructure.

In conclusion, Multi-Tech Systems MTSGSM is an essential tool for organizations seeking to harness the power of GSM technology for their communication needs. Its combination of robust features, advanced technology, and security make it a valuable asset for a wide array of applications, ultimately enhancing operational efficiency and connectivity in a rapidly evolving digital landscape.