ISU AT Command Reference

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ISU AT Command ReferenceTable of ContentsTable of Contents1 Introduction....................................................................................................................11.1 Scope.................................................................................................................................................................. 11.2 Reference............................................................................................................................................................ 11.3 Terms /and Abbreviations .................................................................................................................................. 12 Modem Overview ...........................................................................................................42.1 DTE-ISU Interchange Circuits........................................................................................................................... 42.2 9-Wire and 3-Wire Operation............................................................................................................................. 42.3 Configuration Settings........................................................................................................................................ 42.4 Mode of Operation ............................................................................................................................................. 42.5 Hardware Failure Reporting............................................................................................................................... 52.6 Ring Indicate Signal........................................................................................................................................... 53 Command Overview ......................................................................................................63.1 Command Types ................................................................................................................................................ 63.2 Basic Commands................................................................................................................................................ 63.3 Extended Commands.......................................................................................................................................... 63.4 Command and Response Characters .................................................................................................................. 73.5 Command Entry ................................................................................................................................................. 83.6 Command Responses ......................................................................................................................................... 94 Phased Implementation by Software Release...........................................................105 Phase I AT Commands................................................................................................155.1 AT - ATtention Code ....................................................................................................................................... 155.2 A/ - Repeat Last Command.............................................................................................................................. 155.3 +++ - Escape Sequence .................................................................................................................................... 155.4 A - Answer (Initial implementation; revised in Phase III) ............................................................................... 155.5 Bn - Communication Standards........................................................................................................................ 155.6 Cn - Carrier Control ......................................................................................................................................... 155.7 D - Dial (Initial implementation; revised in Phase III)..................................................................................... 165.7.1 Direct Dial From Phonebook (Initial implementation; revised in Phase III) ..................................... 165.8 En - Echo.......................................................................................................................................................... 175.9 Fn - Line Modulation ....................................................................................................................................... 175.10 Hn - Hangup (Initial implementation; revised in Phase III) ............................................................................. 175.11 In – Identification (Initial implemenation; revised in Phase VI) ...................................................................... 175.12 Ln - Loudspeaker Volume................................................................................................................................ 175.13 Mn - Speaker Control....................................................................................................................................... 175.14 Nn - Automode Enable..................................................................................................................................... 185.15 On - Online....................................................................................................................................................... 185.16 P - Pulse Dial.................................................................................................................................................... 185.17 Qn - Quiet Mode .............................................................................................................................................. 185.18 S0=n - Auto-Answer (Initial implementation; revised in Phase III)................................................................. 18March 30, 2006Version 2.6iv
ISU AT Command ReferenceTable of Contents5.19 T - Tone Dial.................................................................................................................................................... 185.20 Vn - Verbose Mode.......................................................................................................................................... 195.21 Wn - Error Correction Message Control .......................................................................................................... 195.22 Xn - Extended Result Codes (Initial implementation; revised in Phase III)..................................................... 195.23 Yn - Long Space Disconnect............................................................................................................................ 195.24 Zn - Soft Reset.................................................................................................................................................. 195.25 &Cn - DCD Option .......................................................................................................................................... 205.26 &Dn - DTR Option (Initial implementation; revised in Phase III)................................................................... 205.27 &Fn - Restore Factory Settings ........................................................................................................................ 205.28 &Gn - Guard Tone ........................................................................................................................................... 205.29 &Jn - Jack Control............................................................................................................................................ 215.30 &Kn - Flow Control ......................................................................................................................................... 215.31 &Ln - Leased Line Operation........................................................................................................................... 215.32 &Mn - Asynchronous/Synchronous Mode....................................................................................................... 215.33 &Pn - Pulse Dial Make/Break Ratio ................................................................................................................ 215.34 &Qn - Sync/Async Mode................................................................................................................................. 215.35 &Rn - RTS/CTS Option................................................................................................................................... 225.36 &Sn - DSR Override ........................................................................................................................................ 225.37 &V - View Active and Stored Configuration................................................................................................... 225.38 &Wn - Store Active Configuration .................................................................................................................. 225.39 &Xn - Select Synchronous Clock..................................................................................................................... 225.40 &Yn - Designate Default Reset Profile ............................................................................................................ 225.41 \An - MNP Block Size...................................................................................................................................... 225.42 \Bn - Transmit Break........................................................................................................................................ 235.43 \Gn - XON/XOFF Flow Control ...................................................................................................................... 235.44 \Jn - DTE Auto Rate......................................................................................................................................... 235.45 \Kn - Control Break.......................................................................................................................................... 235.46 \Nn - Link Type................................................................................................................................................ 235.47 %Cn - Compression Control ............................................................................................................................ 245.48 %En - Auto Retrain .......................................................................................................................................... 245.49 %R - Display Registers .................................................................................................................................... 245.50 *Pn - Power Phone ........................................................................................................................................... 245.51 +CBST - Select Bearer Service Type............................................................................................................... 255.52 +CGMI - Manufacturer Identification.............................................................................................................. 255.53 +CGMM - Model Identification....................................................................................................................... 255.54 +CGMR - Revision .......................................................................................................................................... 255.55 +CGSN - Serial Number .................................................................................................................................. 265.56 +CMEE - Report Mobile Equipment Error ...................................................................................................... 265.57 +CPAS - Phone Activity Status........................................................................................................................ 275.58 +CR - Service Reporting Control..................................................................................................................... 285.59 +CRC - Cellular Result Codes (Initial implementation; revised in Phase III) ................................................. 285.60 +DS - Set Data Compression Function ............................................................................................................ 295.61 +DR - Data Compression Report Level ........................................................................................................... 29March 30, 2006Version 2.6v
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Page 9 and 10: ISU AT Command ReferenceIntroductio
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Page 13 and 14: ISU AT Command ReferenceModem Overv
Page 15 and 16: ISU AT Command ReferenceCommand Ove
Page 17 and 18: ISU AT Command ReferenceCommand Ove
Page 19 and 20: ISU AT Command ReferencePhased Impl
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Page 23: ISU AT Command ReferencePhase I AT
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ISU AT Command ReferencePhase II AT
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ISU AT Command ReferencePhase III A
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ISU AT Command ReferencePhase IV AT
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ISU AT Command ReferencePhase V AT
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ISU AT Command ReferencePhase VI AT
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ISU AT Command ReferenceS-Register
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ISU AT Command ReferenceSummary of
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ISU AT Command ReferenceInformative
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