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Eicon Networks DIVA T/A ISDN Modem manual What is DBA?

Models: DIVA T/A ISDN Modem

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What is ISDN?

What is DBA?

DIVA T/A also supports Dynamic Bandwidth Allocation (DBA), known also as Call Bumping. DBA automatically drops one B-channel to allow an incoming or outgoing telephone, fax or modem call. When the voice call is over, DBA automatically re-establishes the multilink session by reconnecting the second B-channel, if the throughput requires it. It is recommended that you use DBA with BACP/BOD so that you can have greater flexibility when using the DIVA T/A.

Note: If an analog device is used on the server side of the connection, DBA will not restore a channel that has been bumped.

DIVA T/A ISDN Modem Reference Guide ◆ Page 11

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Eicon Networks DIVA T/A ISDN Modem manual What is DBA?

Contents

Diva T/A Isdn Modem Reference Guide Eight Edition July 206-193-08 Contents Diva T/A Isdn Modem Reference Guide What is ISDN?What is ISDN? Channel Isdn Communication ChannelsChannel Basic Rate Access Connecting to Isdn BRI and PRIWhat is Multilink PPP? What is BACP/BOD? What is DBA? What is Always On / Dynamic Isdn AO/DI? What is Data Compression? Locating AT Commands Locating AT Commands AT Command Groups Alphabetical List of Supported AT Commands Alphabetical List of Supported AT Commands AT! CommandsAlphabetical List of Supported AT Commands AT% Commands AT& Commands AT* Commands AT Commands AT@ Commands Other AT Commands Registers AT$ Utility Commands Mini-monitor Commands General AT Commands General AT Commands Values for n Isdn Configuration CommandsDefaults Isdn Configuration Commands AT!D3=n None defaultDefault1 INS-Net64, NI-1, or 5ESS, µ law will be used defaultAT!N3=n Default null string this is an optional valueAT!N2=n Number. Numbers are separated by a semicolonOn region 255 do not attempt 56k data call retry For more details, refer to the Rvscom documentationAT!X56=n COM Port Configuration Commands Ring COM Port Configuration CommandsUpon connection, the Diva T/A reports the DCE speed For example, ConnectCall Control Commands ATA Call Control CommandsATH Configuration Commands Configuration Commands AT!V0=n Use the default settingsProfile Commands Multilink PPP Commands Multilink PPP Commands Internet Protocol IP Endpoint Discriminator Class/AddressAT%M3=b3c665ac11 Always On / Dynamic Isdn AT Commands Always On / Dynamic Isdn AT Commands AT!X14=n AT!X13=n when Bacp is disabled, seeWill be opened after the delay specified by AT!X10 Default 1000 bytesDefined as follows Default values for each setting, and is defined as followsDefault AT!X22=n AT!X18AT!X26=n Default CF PPP overAT!X25=n Connection numbers affects the range ofAT!X21. SeeAT!X21Utility Commands Start or Display the Result of a PPP trace Utility CommandsInternal TA access command reserved for VU Start or display the Result of a Lapd traceStart an AO/DI X.25 Trace Enter the monitor on the next resetSoft reset the unit and enter the monitor AT? Register CommandsRegister Commands Analog Device Commands AT*Fn Analog Device CommandsEnable using same terminal endpoint identifier as data port To be disabledDisable. Recommended for modem/fax calls Enable with default values defaultMini-monitor Commands AT Command Result Codes Carrier Connect AT Command Result CodesConnect Protocol None Protocol Transparent ModeConnect 75T/1200R Connect 1200T/75RBACP/BOD Index