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ZyXEL Communications omni series AT Command Set Reference, Operation Modes of the DTE Interface

Models: omni series

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16 AT Command Set Reference

Operation Modes of the DTE Interface

There are two operation modes for the DTE interface:

∙Simplex mode - used for conventional AT Command operation.

∙Multiplex mode - used as an internal interface for ZyXEL CAPI drivers.

Simplex mode

In simplex mode, the TA128 is used just like an ordinary TA. The DTE interface will be either in the command state or in the data state. At most, only one data connection session is possible at any time.

A number of different AT Commands can be used to invoke various functions. The simplex mode is designed for AT Command users. The guides and descriptions throughout the rest of this manual, if not otherwise specified, are applicable to this mode. The power-on default of the DTE interface is in simplex mode as well.

Multiplex mode

The multiplex mode is designed for ZyXEL CAPI drivers. It can also be used by third parties to develop various drivers on different platforms for public domain or for commercial purposes.

The commands or data are packetized. Each packet has its own destination address. All the DTE channels can be accessed individually by way of multiplexing.

Since it is not intended for all users, the specifications and manual for the multiplex mode will be available in a separate text file, and will only be available in the electronic format upon request.

108 AT Command Set Reference

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ZyXEL Communications omni series user manual AT Command Set Reference, Operation Modes of the DTE Interface, Simplex mode

Contents

ZyXEL ZyXEL Limited Warranty FCC Part 15 Information Copyright 1997 by ZyXELAcknowledgments Page Contacting ZyXEL ∙ E-mailPage Contents Understanding AT Commands Installing the Windows 95 Driver INF fileOutgoing Calls Incoming Calls Configuring Windows 95 Dial-Up Networking Capi Installation Introduction Feature listError Correction and Data Compression with Placing outgoing calls Answering an X.75 call Making an X.75 Call Invoking V.42bis Data CompressionCall Control for DSS1 Call Control for 1TR6 Old German Isdn Diagnostics 100 Resetting The omni 103 Using The Embedded Protocol AnalyzerPlacing a Call Upgrading with Flash Eprom AT Command Descriptions 109 Viewing and Setting S-Registers 125Register Descriptions 127 Introduction Key Features of the omni Key to Model DifferentiationSpeed and Compatibility Intelligent Features Technical Specifications Physical Characteristics Unpacking Your omniInterface Option How to Become a Registered Owner Introduction Installing omni External Models LED IndicatorsFront Panel Page Front Panel Switch Back Panel Connecting to the Power Supply Connecting to Your Computer Connecting the omni.net to Your Computer Connecting to Your Isdn Line Interface Model Power On and Self Diagnostics Interface Installing omni External Models Installing omni Internal Models Selecting the Baud Rate Multiplier Connecting the TA to your PC Plug and Play Press Y to continue Following message will appear Connecting to Your Isdn Line Interface Model Omni.net Internal Card Installation S/T interface Configuring Your Isdn Line and Network Configuring Your TAConfiguring your TA using a Terminal program Type A\setup.exe and press Enter TA should respond Type Page Configuring Your Isdn Line and Network Understanding AT Commands Isdn Communication Basics Supported AT command types Quick Tips when issuing AT commandsType of AT Command Example Dialing out using Isdn mode Command DescriptionOutgoing Calls ATV0 Dialing out for Analog Adapter Port 1 omni.net Internal Dialing out for Analog Adapter Port 1 omni.netDialing out for Analog Adapter Port 2 omni.net Manually switching communication modes non-data AT Command Dial string it will map toIncoming Calls Placing the Call Digital Data Determining the Packet Length Answering a Call using MSN AT&ZIn=s where ‘s’ is the MSN Ambiguity resolution switch for voice calls omni.net Command FunctionData over Speech Channel Best-effort call answering non-data Multi auto-answering of data calls Setup for Windows 95 and NT Installing the Windows 95 Driver INF filePage Page Configuring Windows 95 Dial-Up Networking Page Page Click on TCP/IP Settings IPX/SPX Compatible Capi Installation Page Point-to-Point Protocol PPP Introduction Feature list Async to Sync Conversion external Compression Control Protocol CCP Multilink PPP Bandwidth On Demand BOD BACP/BAP Point-to-Point Protocol PPP 110 and Synchronous Mode Communications Answering a V.110 call AT Command Description Making V.110 CallsSynchronous Connections external 25bis Command Set Command MessagesCIC DIC Indicator Messages DTR Drop-Dialing Operation AT*D0 56 V.110 and Synchronous Mode Communications 120 Isdn Communications Placing outgoing calls Configuring the V.120 mode Dialing in V.120 mode Answering incoming calls Speeds of 128Kbps Identifying your line provisioningMaking a Bundled Call with Dialing pre-stored phone numbers Error Correction and Data Compression with Selecting V.120 for European Isdn DSS1 Selecting V.120 for Germany National Isdn 1TR6Bundle Connection with V.42bis Data Compression Page 10 X.75 Isdn Communications Answering an X.75 call Making an X.75 Call ATDIphonenumber1+phonenumber2 Invoking V.42bis Data Compression Bundle Connection with V.42bis Data Compression 70 X.75 Isdn Communications Handling Analog Calls non-data AT&V6AT&V7 European switch specific Placing a Call from the Analog Adapter Accepting an Incoming Call Scenarios of an Incoming Voice Call Outcome AT Commands Description Feature Phone omni.net Commands DescriptionFlash key InterCom Call Waiting Placing a second callReceiving a second call Call Broker Call RejectCall Transfer Three-way Conference Call HFlash è H#3 Control of Outgoing Service Indicator Advanced Isdn Call ControlCall Control for DSS1 S108+n= Function S80 bit ‘n’ as followsS108.n= Function Control of Isdn Phone Number and Sub-address = YnNnown-number/Znown-Subaddress Call Control for 1TR6 Old German Isdn Control of Endgerä Teauswahlziffer EAZ ModemG3 Fax Command Function Answering a Call Answering a Call for DSS1 Answering a Call for 1TR6 Best-effort Call Answering Ambiguity Resolution Switch for Voice Calls non-data Multi-Auto-Answering of Data CallsData Call Indication Disable inbound call connection Point-to-Point Configuration Placing a CallPlacing a call for DSS1 ATDxYnNncalledpartynumber/Zncalled-party- subaddress Placing a call for 1TR6 Leased Line Isdn ATDB1 ATDB2ATDB3 ATAB1 Security Functions Security Types and Levels Level 1 security Level 2 securityLevel 3 security Level Setting and Modifying Passwords Non-password Auto Call Back Function Security Functions Upgrading Your omni Upgrading with Flash Eprom Kernel Mode Diagnostics DiagnosticsTest Test Description Power-on Self-test Isdn Loopback test AT&T9Loopback with Self-test AT&T10 Diagnostic Command Atcg B1/B2 Loopback with Self-test AT&T11 Resetting The omni Using The Embedded Protocol Analyzer Capturing the Protocol Data CD0 CD1CB0 CB1 ATC$ Key Function Description Diagnostics AT Command Set Reference Simplex modeMultiplex mode Operation Modes of the DTE Interface AT Command Descriptions Basic AT Command Set Command Options Function & Description All the Following Commands Require a AT Prefix BP0 BP1CE0 CE1 CH?CL? CP0 Command Options Function & Description DB1 DB2DB3 DN? ATI USA Isdn SPID0SPID1 SPID? Description of ATI3 Output UPXOutput Parameter Output Value Description Extended AT& Command Set Isdn Command Options Function & Description Command Options Function & Description Extended AT* Command Set Command Options Function & Description AT Command Set Reference Viewing and Setting S-Registers Status Registers and Result CodesViewing S-registers Setting S-registers Register Descriptions Bit Binary value Decimal value Hexadecimal valueOperation Example-1 Example-2 Binary Dec Hex Not Command Function & Description Command Bit Dec Hex Function and descriptionBasic S-Registers ATSn=x Extended S-Registers ATSn=x Command Bit Dec Hex Function and description ATX0 ATX1ATX2 ATX3 ATX4 Command Bit Dec Hex Function and description Command Bit Dec Hex Function and description Command Bit Dec Hex Function and description Complete Command Bit Dec Hex Function and description Enable loopback 4 test DCA function enabled Command Bit Dec Hex Function and description SI= Fernsprechen analog 48000 bps PPP/MLPPP Command Bit Dec Hex Function and description PPP ATXn Result Code Option Table ATV0 ATV1 Connect Result Code Chart Symbol Reference Result Code Field DescriptionsField Name Possible Values Connect Strings for Error Corrected Connections Status Registers and Result Codes Phone Jack Pinout Assignments Not Connected Phone Jack Pinout Assignments Signal/Pin Number Description Direction Name Serial Port InterfacePin DCE DTE MACTXD RXD RTS CTS DSR CD DCD DTR Index Index Bundled Index