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Chapter 1 – Introduction

Multi-Tech Systems, Inc. CDMA C1 AT Commands Reference Guide 9

This CDMA AT command set is designed to cover the following:

● IS707.3 AT commands

● GSM 07.07 when applicable

● GSM 07.05 when applicable

● ITU-T v25 when applicable

● Proprietary AT set

● Customer specific AT commands

● Qualcomm defined AT commands

Note that the GSM 7.07 and 7.05 specifications could not be followed in some instances because of differences

between CDMA and GSM call processing behaviors. In these cases, minimal changes were made to GSM-related

commands.

Document Scope

This document describes CDMA AT commands, their syntax, responses, and result codes. It serves as the

reference for wireless application development based on the CDMA modem and for its integration and testing.

The intended audience is expected to be familiar with CDMA data services protocol and AT modem commands.

Related References

This interface specification is based on the following recommendations or standards:

● ETSI GSM 07.05: Digital cellular telecommunications system (Phase 2): Use of DTE-DCE interface for Short

Message Service (SMS) and Cell Broadcast Service (CBS)

● ETSI GSM 07.07: Digital cellular telecommunications system (Phase 2): AT command set for GSM Mobile

Equipment (ME)

● ITU-T Recommendation V.25 ter: Serial asynchronous automatic dialing and control

● ETSI GSM 03.40: Digital cellular telecommunications system (Phase 2): Technical implementation of the

Short Message Service (SMS) Point-to-Point (PP)

● ETSI GSM 03.38: Digital cellular telecommunications system (Phase 2): Alphabets and language-specific

information

● ETSI GSM 04.80: Digital cellular telecommunications system (Phase 2): Mobile radio interface layer 3,

Supplementary service specification, Formats and coding

● AT Commands Interface Guide version 001/9.1

● TIA/EIA/IS-707.3: Data Service Options for Wideband Spread Spectrum Systems: AT Command Processing

and the Rm Interface

● Qualcomm Application Note (CL93-V0327-1 X10): AT COMMANDS FOR DMSS

● IS-131: Data Transmissions Systems and Equipment – Extensions to Asynchronous Dialing and Control.

● WISMO-CDMA Q24x8 Product Technical Specification; WI_HWD_Q24X8_PTS_001.

● TIA/EIA-592: Asynchronous Facsimile DCE Control Standard - Service Class 2

● WM_CCD_Q24x8_CTI_009: TCP App Application note

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