ISU AT Command Reference

ISU AT Command ReferenceTable of Contents7.8 +CSQ - Signal Quality (Initial implementation; revised in Phase VI) ............................................................. 517.9 +CLVL - Loudspeaker Volume Level Control ................................................................................................ 527.10 +CMUT - Mute Control ................................................................................................................................... 527.11 +CRC - Cellular Result Codes (Revised)......................................................................................................... 537.12 +CVHU - Voice Hangup Control..................................................................................................................... 537.13 +CCLK - Real-Time Clock .............................................................................................................................. 547.14 -MSVTS - DTMF Generation in Voice Call.................................................................................................... 547.15 -MSVTR - DTMF Received in Voice Call ...................................................................................................... 557.16 -MSVLS - Local DTMF Feedback Selection................................................................................................... 557.17 -MSSTM - Request System Time .................................................................................................................... 568 Phase IV AT Commands .............................................................................................578.1 –MSGEO - Request Geolocation ..................................................................................................................... 578.2 +CCFC - Call Forward service......................................................................................................................... 578.3 +CLCC - Request Current Call Status.............................................................................................................. 588.4 +CNUM - Read MSISDN Numbers................................................................................................................. 588.5 +WIRLP - Iridium Radio Link Protocol .......................................................................................................... 598.6 +WFRNG - Force IRLP Renegotiation............................................................................................................ 608.7 +WTM - IRLP Test Mode................................................................................................................................ 608.8 +WDLDM - IRLP Dynamic Link Delay Measurement................................................................................... 618.9 +WDAV - Register or Deregister an RS232 DAV Data Peripheral................................................................. 618.10 +SBDWB - Short Burst Data: Write Binary Data to the ISU........................................................................... 628.11 +SBDRB - Short Burst Data: Read Binary Data from ISU.............................................................................. 638.12 +SBDWT - Short Burst Data: Write a Text Message to the ISU (Initial implementation; revised in Phase VI)638.13 +SBDRT - Short Burst Data: Read a Text Message from the ISU................................................................... 648.14 +SBDI - Short Burst Data: Initiate an SBD Session (Initial implementation; revised in Phase VI) ................ 648.15 +SBDD - Short Burst Data: Clear SBD Message Buffer(s) ............................................................................. 668.16 +SBDC - Short Burst Data: Clear SBD MOMSN............................................................................................ 668.17 +SBDS - Short Burst Data: Status.................................................................................................................... 678.18 +SBDTC - Short Burst Data: Transfer MO Buffer to MT Buffer.................................................................... 679 Phase V AT Commands ..............................................................................................689.1 +CAR - Audio Output Control on 9522A (“Daytona”).................................................................................... 6810 Phase VI AT Commands .............................................................................................6910.1 In – Identification (Revised)............................................................................................................................. 6910.2 +CIER – Indicator Event Reporting................................................................................................................. 6910.3 +CRIS – Ring Indication Status ....................................................................................................................... 7010.4 +CSQ[F] – Signal Quality (Revised) ............................................................................................................... 7010.5 +CULK – Unlock............................................................................................................................................. 7110.6 +CVMI – Voicemail Indication ....................................................................................................................... 7210.7 +IPR - Fixed DTE Rate (Revised).................................................................................................................... 7210.8 +SBDWT - Short Burst Data: Write a Text Message to the ISU (Revised)..................................................... 7310.9 +SBDDET - Short Burst Data: Detach............................................................................................................. 73March 30, 2006Version 2.6vii