ISU AT Command Reference

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