ISU AT Command Reference

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ISU AT Command ReferenceTable of Contents10.10 +SBDI - Short Burst Data: Initiate an SBD Session (Revised) ........................................................................ 7410.11 +SBDIX[A] - Short Burst Data: Initiate an SBD Session Extended ................................................................ 7510.12 +SBDDSC - Short Burst Data: Delivery Short Code....................................................................................... 7710.13 +SBDMTA - Short Burst Data: Mobile-Terminated Alert............................................................................... 7810.14 +SBDREG - Short Burst Data: Network Registration ..................................................................................... 7810.15 +SBDAREG - Short Burst Data: Automatic Registration................................................................................ 7910.16 +SBDSX - Short Burst Data: Status Extended................................................................................................. 8111 S-Register Definitions .................................................................................................8211.1 S-Register Commands...................................................................................................................................... 8211.1.1 Sr - Direct S-Register Reference........................................................................................................ 8211.1.2 Sr? - Direct S-Register Read.............................................................................................................. 8211.1.3 Sr=n - Direct S-Register Write........................................................................................................... 8211.1.4 ? - Referenced S-Register Read ......................................................................................................... 8211.1.5 =n - Referenced S-Register Write...................................................................................................... 8211.2 Standard S-Registers ........................................................................................................................................ 8311.3 Iridium Specific S-Register Extensions............................................................................................................ 8512 Summary of Result Codes ..........................................................................................8713 Informative Examples..................................................................................................8913.1 Unit Identification ............................................................................................................................................ 8913.2 Originating a Data Call..................................................................................................................................... 8913.3 Answering a Data Call ..................................................................................................................................... 8913.4 Disconnecting a Data Call................................................................................................................................ 9013.5 Originating and Disconnecting a Voice Call.................................................................................................... 9013.6 Coordination of +CLCC and +CPAS responses............................................................................................... 9013.7 Usage examples of +CCFC command ............................................................................................................. 91March 30, 2006Version 2.6viii
ISU AT Command ReferenceIntroduction1 Introduction1.1 ScopeThis document is intended as a reference guide to the usage of the AT command set for the Iridium TM/SM subscriberunit. This document only applies to the Motorola satellite series.The intended audience for this document are the field test engineers, product and intelligent peripheraldevelopers.1.2 Reference[1] ITU-T Recommendation V.25ter, 08/95.[2] ETS 300 642: Digital Cellular Telecommunications System (Phase 2); AT Command Set for GSMMobile Equipment (GSM 07.07).[3] ETS 300 585: Digital Cellular Telecommunications System (Phase 2); Use of DTE-DCE InterfaceSMS and CBS (GSM 07.05)[4] ITU-T Recommendation V.24, 03/93.1.3 Terms /and AbbreviationsAsynchronousA serial data transmission method that uses Start and Stop bits to synchronize reception.AT CommandsA group of commands that can be sent by a terminal or host computer to control the ISU in Commandmode.BaudOne signalling element per second. This is a measure of the signalling rate on the telephone line. Itshould not be confused with Bits Per Second (bps) which can differ from the Baud rate.BCDBinary Coded DecimalBit Mapped RegistersBit mapping is a technique that allows a single S-Register to hold up to 8 binary variables e.g.:Reg Type Val Default FunctionS14 Bit Mapped 170 Register S14 is a bit-mapped registerand provides the following functions:Bit 0 ReservedBit 1 Echo commands to DTEBit 2 ResponsesBit 3 Word or number responsesBit 4 ReservedBit 5 Dialing methodBit 6 ReservedBit 7 Answer/Originate operationVersion 2.6March 30, 2006 1
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ISU AT Command Reference

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