Specifications

ISU AT Command Reference Phase IV AT Commands
Iridium Proprietary Version 2.45
20 June 2011 72
8.17 +SBDD - Short Burst Data: Clear SBD Message Buffer(s)
Exec Command: +SBDD[<Delete type>]
This command is used to clear the mobile originated buffer, mobile terminated buffer or both.
 The <Delete type> parameter identifies which buffers are cleared.
0: Clear the mobile originated buffer.
1: Clear the mobile terminated buffer.
2: Clear both the mobile originated and mobile terminated buffers.
 Using this command or power cycling the phone are the only means by which both buffers are
cleared.
 The mobile terminated buffer will be cleared when an SBD session is initiated.
 Sending a message from the ISU to the ESS does not clear the mobile originated buffer.
 Reading a message from the ISU does not clear the mobile terminated buffer.
Command Response:
0: Buffer(s) cleared successfully.
1: An error occurred while clearing the buffer(s).
8.18 +SBDC - Short Burst Data: Clear SBD MOMSN
Exec Command: +SBDC
This command will clear (set to 0) the mobile originated message sequence number (MOMSN) stored in
the ISU.
 The MOMSN is maintained even after power cycle.
Command Response:
0: The MOMSN was cleared successfully.
1: An error occurred while clearing the MOMSN.