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ZyXEL Communications omni series and Synchronous Mode Communications, Answering a V.110 call

Models: omni series

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8 V.110 and Synchronous Mode Communications

V.110 is most popular in Japan. The table below shows the specifications of different ISDN protocols:

	Synchronous	V.110	X.75/V.120
	(external)
Layer 1	Transparent	80 Bits	HDLC
		Framing
Layer 2	None	None	LAPB/LAPD
Layer 3	None	None	ISO8208 T.70
			NL/ V.120
Error Control	No	No	Yes
V.42bis	No	No	Yes
Async or Sync	Sync	Async	Async
Bundle	Yes (Note)	No	Yes
Max. Line	64Kbps	38.4 Kbps	64Kbps
Speed	128Kbps (Note)		128Kbps
AT-Command	ATB11&M1	ATB10	ATB0:
Configuration	(Sync Data)		Transparent
	ATB11&M3*I1		ATB01: T.70
	(V.25bis Sync HDLC)		NL/ ATB20

Note : BONDING protocol for synchronous mode will be F/W upgradeable at ZyXEL‘s option.

Answering a V.110 call

Once you set the proper V.110 communication mode, there is no need to configure the ISDN mode to the protocol of an incoming call. The omni will be able to determine the correct protocol to use by examining the data coming in from the remote site if the device is set to auto-answer or once an answer command is issued.

To allow the TA to answer the incoming call, you need to set S0 to a value greater than 0 (i.e. ATS0=1). If S0 is not set (S0=0), the DCE

V.110 and Synchronous Mode Communications 51

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ZyXEL Communications omni series user manual and Synchronous Mode Communications, Answering a V.110 call

Contents

ZyXEL ZyXEL Limited Warranty FCC Part 15 Information Copyright 1997 by ZyXELAcknowledgments Page ∙ E-mail Contacting ZyXELPage Contents Incoming Calls Understanding AT CommandsInstalling the Windows 95 Driver INF file Outgoing CallsPlacing outgoing calls Configuring Windows 95 Dial-Up Networking Capi InstallationIntroduction Feature list Error Correction and Data Compression withCall Control for 1TR6 Old German Isdn Answering an X.75 call Making an X.75 CallInvoking V.42bis Data Compression Call Control for DSS1Upgrading with Flash Eprom Diagnostics 100Resetting The omni 103 Using The Embedded Protocol Analyzer Placing a CallAT Command Descriptions 109 Viewing and Setting S-Registers 125Register Descriptions 127 Introduction Key Features of the omni Key to Model DifferentiationSpeed and Compatibility Technical Specifications Intelligent FeaturesPhysical Characteristics Unpacking Your omniInterface Option How to Become a Registered Owner Introduction Installing omni External Models LED IndicatorsFront Panel Page Back Panel Front Panel SwitchConnecting to Your Computer Connecting to the Power SupplyConnecting the omni.net to Your Computer Interface Model Connecting to Your Isdn LineInterface Power On and Self DiagnosticsInstalling omni External Models Selecting the Baud Rate Multiplier Installing omni Internal ModelsPlug and Play Connecting the TA to your PCPress Y to continue Following message will appear Connecting to Your Isdn Line Interface Model Omni.net Internal Card Installation S/T interface Type A\setup.exe and press Enter Configuring Your Isdn Line and NetworkConfiguring Your TA Configuring your TA using a Terminal programTA should respond Type Page Configuring Your Isdn Line and Network Isdn Communication Basics Understanding AT CommandsSupported AT command types Quick Tips when issuing AT commandsType of AT Command Example ATV0 Dialing out using Isdn modeCommand Description Outgoing CallsDialing 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 Placing the Call Manually switching communication modes non-dataAT Command Dial string it will map to Incoming CallsDetermining the Packet Length Digital DataAnswering a Call using MSN AT&ZIn=s where ‘s’ is the MSN Best-effort call answering non-data Ambiguity resolution switch for voice calls omni.netCommand Function Data over Speech ChannelMulti auto-answering of data calls Installing the Windows 95 Driver INF file Setup for Windows 95 and NTPage Page Configuring Windows 95 Dial-Up Networking Page Page IPX/SPX Compatible Click on TCP/IP SettingsCapi Installation Page Introduction Point-to-Point Protocol PPPAsync to Sync Conversion external Feature listCompression Control Protocol CCP Multilink PPP Bandwidth On Demand BOD BACP/BAP Point-to-Point Protocol PPP Answering a V.110 call 110 and Synchronous Mode CommunicationsAT Command Description Making V.110 CallsSynchronous Connections external DIC 25bis Command SetCommand Messages CICDTR Drop-Dialing Operation Indicator MessagesAT*D0 56 V.110 and Synchronous Mode Communications Placing outgoing calls 120 Isdn CommunicationsConfiguring the V.120 mode Answering incoming calls Dialing in V.120 modeSpeeds 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 Making an X.75 Call Answering an X.75 callATDIphonenumber1+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 Placing a Call from the Analog Adapter European switch specificScenarios of an Incoming Voice Call Outcome Accepting an Incoming CallAT Commands Description InterCom Feature Phone omni.netCommands Description Flash keyCall Waiting Placing a second callReceiving a second call Three-way Conference Call Call BrokerCall Reject Call TransferHFlash 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 = YnNnown-number/Znown-Subaddress Control of Isdn Phone Number and Sub-addressCall Control for 1TR6 Old German Isdn Control of Endgerä Teauswahlziffer EAZ ModemG3 Fax Command Function Answering a Call for DSS1 Answering a CallBest-effort Call Answering Answering a Call for 1TR6Ambiguity Resolution Switch for Voice Calls non-data Multi-Auto-Answering of Data CallsData Call Indication Disable inbound call connection ATDxYnNncalledpartynumber/Zncalled-party- subaddress Point-to-Point ConfigurationPlacing a Call Placing a call for DSS1Placing a call for 1TR6 Leased Line Isdn ATAB1 ATDB1ATDB2 ATDB3Security Types and Levels Security FunctionsLevel Level 1 securityLevel 2 security Level 3 securitySetting and Modifying Passwords Non-password Auto Call Back Function Security Functions Upgrading with Flash Eprom Upgrading Your omniKernel Mode Test Description DiagnosticsDiagnostics TestPower-on Self-test Isdn Loopback test AT&T9Loopback with Self-test AT&T10 B1/B2 Loopback with Self-test AT&T11 Diagnostic Command AtcgUsing The Embedded Protocol Analyzer Resetting The omniCapturing the Protocol Data CB1 CD0CD1 CB0Key Function Description ATC$Diagnostics Operation Modes of the DTE Interface AT Command Set ReferenceSimplex mode Multiplex modeBasic AT Command Set AT Command DescriptionsAll the Following Commands Require a AT Prefix Command Options Function & DescriptionBP0 BP1CE0 CP0 CE1CH? CL?Command Options Function & Description DN? DB1DB2 DB3USA ATISPID? IsdnSPID0 SPID1Description 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 Not Register DescriptionsBit Binary value Decimal value Hexadecimal value Operation Example-1 Example-2 Binary Dec HexExtended S-Registers ATSn=x Command Function & DescriptionCommand Bit Dec Hex Function and description Basic S-Registers ATSn=xCommand 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 ATV0 ATV1 ATXn Result Code Option TableConnect 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 DCE Signal/Pin Number Description Direction NameSerial Port Interface PinCD DCD DTR DTEMAC TXD RXD RTS CTS DSRIndex IndexBundled Index