ISU AT Command Reference

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ISU AT Command ReferencePhase VI AT Commands10.13 +SBDMTA - Short Burst Data: Mobile-Terminated AlertSet Command: +SBDMTA=Enable or disable ring indications for SBD Ring Alerts.:0 Disable ring indication.1 Enable ring indication (default).When SBD ring indication is enabled, the ISU asserts the RI line and issues the unsolicited result codeSBDRING when an SBD ring alert is received.Read Command: +SBDMTA?Query the current ring indication mode. The response is of the form:+SBDMTA:Test Command: +SBDMTA=?List the supported mode settings. The response is of the form:+SBDMTA:(supported settings)10.14 +SBDREG - Short Burst Data: Network RegistrationExec Command: +SBDREG[=]Triggers an SBD session to perform a manual SBD registration.This command initiates an SBD session to perform a manual SBD registration, consisting of an attach andlocation update. This session does not transfer any MO or MT messages.Note: The ISU restricts the number of manual and automatic registrations to one every 3 minutes.Successive attempts within 3 minutes will return an error code indicating that the FA should try later (seeerror 36 below).Note: A user can send an MO SBD message and register at the same time by using the +SBDIX command.The +SBDIX command always performs a registration attempt and should be used for an applicationrequiring SBD Ring Alert. The +SBDI command never includes an SBD registration and should be usedfor an application that does not require SBD Ring Alert. has format:[+|-]DDMM.MMM,[+|-]dddmm.mmmwhere:DD Degrees latitude (00-89)MM Minutes latitude (00-59)MMM Thousandths of minutes latitude (000-999)ddd Degrees longitude (000-179)mm Minutes longitude (00-59)mmm Thousandths of minutes longitude (000-999)This command initiates an SBD session between the ISU and the GSS, setting the SBD SessionThe optional sign indicators specify latitude North (+) or South (-), and longitude East (+) or West (-). Ifomitted, the default is +.For example,AT+SBDIX=5212.483,-00007.350corresponds to 52 degrees 12.483 minutes North, 0 degrees 7.35 minutes West.Version 2.6March 30, 2006 78
ISU AT Command ReferencePhase VI AT CommandsCommand Response:+SBDREG:,where: indicates the resulting registration status of the ISU:0 Detached – ISU is detached as a result of a successful +SBDDET or +SBDI command.1 Not registered – ISU is attached but has not provided a good location since it was lastdetached.2 Registered – ISU is attached with a good location. Note that this may be the case evenwhen the most recent attempt did not provide a good location.3 Registration denied – The GSS is denying service to the ISU.:Gateway-reported values:0 No error.2 Session completed but the requested Location Update was not accepted.3..14 Reserved, but indicate Location Update failure if used.15 Access is denied.ISU-reported values:16 ISU has been locked and may not make SBD calls (see +CULK command).17 Gateway not responding (local session timeout).18 Connection lost (RF drop).19 Link failure (A protocol error caused termination of the call).20..31 Reserved, but indicate failure if used.32 No network service, unable to initiate call.33..34 Reserved, but indicate failure if used.35 ISU is busy, unable to initiate call.36 Try later, must wait 3 minutes since last registration.37.. Reserved, but indicate failure if used.Read Command: +SBDREG?Query the current SBD registration status of the ISU. The response is of the form:+SBDREG::0 Detached1 Not registered2 Registered3 Registration deniedThe registration status is stored in ISU non-volatile memory, and can therefore be queried by the FA afterpowering up.10.15 +SBDAREG - Short Burst Data: Automatic RegistrationExec Command: +SBDAREG=Set the ISU’s Auto-registration mode.Version 2.6March 30, 2006 79
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ISU AT Command ReferenceIntroductio
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ISU AT Command ReferenceModem Overv
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ISU AT Command ReferencePhased Impl
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ISU AT Command ReferencePhase I AT
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