Specifications

ISU AT Command Reference Table of Contents
Iridium Proprietary Version 2.45
20 June 2011 viii
7.6 &Dn - DTR Option (Revised) .......................................................................................................................... 52
7.7 +CBC - Battery Charge (Revised) .................................................................................................................... 53
7.8 +CSQ - Signal Quality (Initial implementation; revised in Phase VI) ............................................................. 54
7.9 +CLVL - Loudspeaker Volume Level Control ................................................................................................ 55
7.10 +CMUT - Mute Control ................................................................................................................................... 55
7.11 +CRC - Cellular Result Codes (Revised) ......................................................................................................... 57
7.12 +CVHU - Voice Hangup Control ..................................................................................................................... 57
7.13 +CCLK - Real-Time Clock .............................................................................................................................. 58
7.14 -MSVTS - DTMF Generation in Voice Call .................................................................................................... 58
7.15 -MSVTR - DTMF Received in Voice Call ....................................................................................................... 59
7.16 -MSVLS - Local DTMF Feedback Selection ................................................................................................... 59
7.17 -MSSTM - Request System Time .................................................................................................................... 60
8 Phase IV AT Commands ............................................................................................. 61
8.1 –MSGEO - Request Geolocation ..................................................................................................................... 61
8.2 –MSGEOS - Request Geolocation, spherical co-ordinates .............................................................................. 61
8.3 +CCFC - Call Forward service ......................................................................................................................... 61
8.4 +CLCC - Request Current Call Status .............................................................................................................. 63
8.5 +CNUM - Read MSISDN Numbers ................................................................................................................. 63
8.6 +CSSSC – Supplementary Services Short Code .............................................................................................. 64
8.7 +WIRLP - Iridium Radio Link Protocol ........................................................................................................... 64
8.8 +WFRNG - Force IRLP Renegotiation ............................................................................................................ 66
8.9 +WTM - IRLP Test Mode ................................................................................................................................ 66
8.10 +WDLDM - IRLP Dynamic Link Delay Measurement ................................................................................... 67
8.11 +WDAV - Register or Deregister an RS232 DAV Data Peripheral ................................................................. 67
8.12 +SBDWB - Short Burst Data: Write Binary Data to the ISU ........................................................................... 68
8.13 +SBDRB - Short Burst Data: Read Binary Data from ISU .............................................................................. 69
8.14 +SBDWT - Short Burst Data: Write a Text Message to the ISU (Initial implementation; revised in Phase VI)
69
8.15 +SBDRT - Short Burst Data: Read a Text Message from the ISU ................................................................... 70
8.16 +SBDI - Short Burst Data: Initiate an SBD Session (Initial implementation; revised in Phase VI) ................. 70
8.17 +SBDD - Short Burst Data: Clear SBD Message Buffer(s) ............................................................................. 72
8.18 +SBDC - Short Burst Data: Clear SBD MOMSN ............................................................................................ 72
8.19 +SBDS - Short Burst Data: Status .................................................................................................................... 73
8.20 +SBDTC - Short Burst Data: Transfer MO Buffer to MT Buffer .................................................................... 73
9 Phase V AT Commands .............................................................................................. 74
9.1 +CAR - Audio Output Control ......................................................................................................................... 74
10 Phase VI AT Commands ............................................................................................. 75
10.1 In – Identification (Revised) ............................................................................................................................. 75
10.2 +CIER – Indicator Event Reporting ................................................................................................................. 75
10.3 +CRIS – Ring Indication Status ....................................................................................................................... 76
10.4 +CSQ[F] – Signal Quality (Revised) ................................................................................................................ 76