AC International MTA128ST-USB manual Ring, S51

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Chapter 4 - AT Commands, S-Registers, and Result Codes

not define a means of conveying Calling Party information to the terminal for ISDN voice calls. CLI information is included only with the first RING message for a given incoming call and appears as:

RING

FM: 5552000 TO: 5551000

If the Calling Party Number information is not included in the incoming SETUP message, the RING message appears as follows:

RING

TO: 5551000

 

If the Called Party Number information is not included in the incoming SETUP message,

 

the RING message appears as follows:

 

RING

 

FM: 5552000

 

If neither the Called Party Number nor Calling Party Number is included in the incoming

 

SETUP message, the RING message contains no additional information.

S-Register:

S51

Function:

POTS Port Dial Tone Suppression

Unit:

Decimal ASCII code

Range:

n = 0, 1

Default:

0

Description: S51 only affects NET3 switch type and voice/modem/fax calls attempted on the POTS port. Some NET3 switches have a hot dial tone (dial tone that sounds very loud). If the dial tone is too loud, the TA cannot recognize any or most of the DTMF digits. This is a similar to trying to communicate with another person in a very loud train station— your voice is drowned out by the noise of other people and the trains. By setting S51=1, the TA keeps the receive gain of the POTS port low until a DTMF digit is received. After a DTMF digit is received, the gain is set back to whatever !RXG was set to before the phone, modem, or fax went off-hook (!RXG6 by default). !RXG does not need to be adjusted.

S-Register: S52

Function: Auto-Protocol Detection

Unit:

Decimal ASCII code

Range:

0, 1, or 2

Default:

1 (Detect)

Description: Enables or disables the ability to identify the reception of V.110, V.120, X.75, or PPP data calls. The TA determines the type of call by checking for protocol information in the SETUP message or by matching protocol information received on the B-channel once connected if no protocol information is available in the SETUP message. Once the protocol is determined, the TA will switch its data protocol to match. Upon disconnect the TA will revert its data protocol selection back to the protocol that was selected before the call was received when S52=1 “Detect”. If S52=2 “Detect and Select”, then the TA will not revert the protocol selection, rather it will keep the detected data protocol as the new protocol selection. “Detect and Select” is useful for applications where the TA receives a call and then the software performs callback. Callback calls should be made with the same protocol that was used by the client so “Detect and Select” enables this possibility. However, if an initialization string or &Fn command is given to the TA that changes the protocol after the disconnection, then “Detect and Select” will not be effective. Make sure no commands are given to the TA that will change the data protocol when using “Detect and Select” if callback is involved to ensure that the callback call uses the correct data protocol.

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Contents User Guide User Guide Contents Troubleshooting Introduction and Description Product Description IntroductionUniversal Serial Bus USB MultiModemISDN User GuideIntroduction and Description Manual OrganizationFeatures LED Indicators Technical SpecificationsHardware Installation Hardware Installation Safety Warning Telecom/ISDN-STUnpacking Your MTA128ST-USB Assembling the MTA128ST-USB Connecting the MTA128ST-USB to Your SystemMultiModem Isdn User Guide Connecting to Power Connecting to Your ComputerConnecting to Your Isdn Network Terminator Connecting to Analog EquipmentLED Indicators References Hardware Installation Data ProtocolSoftware Installation and Configuration Software Installation and Configuration Installing in WindowsInstall Hardware Device Drivers dialog box displays If the Digital Signature Not Found dialog box displays Page Changing the Modem Descriptor Windows Upgrade Device Driver Wizard dialog box displaysMTA128ST-USB CDC ML-PPP Properties dialog box displays Start Device Driver Installation dialog box displays Installing in Windows Software Installation and Configuration MultiModemISDN User Guide MTA128ST-USB ML-PPP Properties dialog box displays Update Device Driver Wizard dialog box displaysUpgrade Device Driver Wizard dialog box displays Software Installation and Configuration Removing Your Old Device from Windows 2000 and Windows 98 Click Start Settings Control PanelNetwork Configuration ConfigurationAT commands AT!C6= and AT*!C6= Call Control ConfigurationAT commands AT!N1= and AT*!N1= Dialing Stored Numbers To Install in Windows 2000/98/95 Isdn MTA128ST-USB Configuration UtilityWindows 2000 Dial-Up Networking MultiModemISDN User Guide If you select Accept incoming connections MultiModemISDN User Guide Windows 98/95 Dial-Up Networking MultiModemISDN User Guide Using AT Commands to Configure the MTA128ST-USB AT CommandsAT Commands, S-Registers and Result Codes AT Commands, S-Registers, and Result Codes Entering AT CommandsCommand Implementation AT Commands by FunctionData Call Commands A97=0 A97=nA97=1 C0=2 Net3D3=240 D3=0-63D3=241 DN=1EN=1 EN=nEN=2 D98RXGn N2=nRXG10 L5 and L6 =12Connect String normally it is issued by itself ATZ E12 E4, &E6, &E13E13 #X0MultiModemISDN User Guide $Dn ROMData Call Commands Command DSn Register Summary RegistersAT Commands, S-Registers, and Result Codes MultiModemISDN User Guide S31 S30S34 S45 S44S49 S50S51 RingS54 S53S17 S18AT Commands, S-Registers, and Result Codes S59 S58S61 S60S62 S64 S63S65 S68 S67S70 S69S71 S73S76 S75S77 S80 Result Codes Making a Call Using AT Commands to Operate the MTA128ST-USBModes of Operation DialingAnswering a Call Hanging Up Troubleshooting None of the LEDs light when the MTA128ST-USB is on MTA128ST-USB dials but cannot make a connection TroubleshootingYou can place data calls but not voice calls or vice versa MTA128ST-USB disconnects while online MultiModemISDN User Guide Warranty, Service, and Technical Support Addendum for North American Products Limited WarrantyAddendum for International Products Warranty, Service and Tech Support Out of Warranty Repair Costs On-line Warranty RegistrationSoftware User License Agreement MultiModem Isdn User Guide Technical Support ServiceContacting Technical Support Ordering Accessories Upgrading the MTA128ST-USB with FlashWizard Using FlashWizard to Upgrade FirmwareAppendixes Appendix a Regulatory Compliance EMC, Safety, and Terminal Directive ComplianceClass B Statement FCC Part Industry CanadaMultiVOIP 200 User Guide Quick Setup ExampleProfile 1 &F1 V.110 Asynchronous Operation Profile 2 &F2 V.120 Asynchronous Operation Profile 4 &F4 ML-PPP Asynchronous Operation Glossary Glossary SymbolMultiModemISDN User Guide Glossary MultiModemISDN User Guide Glossary 100 TA- See terminal adapter 101102 103 Index 105 Index106 42, 52107 Isdn MTA128ST-USB Config utility108 Rings