SCCP:Messages

The following messages can be received or transmitted by SCCP across the MTP Level 3 SAP:

• Extended Unit Data (XUDT)
• Extended Unit Data Service (XUDTS)
• Long Unit Data (LUDT7) (ITU-T 1996, GR246-CORE Issue 5)
• Long Unit Data Service (LUDTS7) (ITU-T 1996, GR246-CORE Issue 5)
• Subsystem-Allowed (SSA)
• Subsystem-Congested (SSC) (ITU-T 1996)
• Subsystem-Out-of-Service-Grant (SOG)
• Subsystem-Out-of-Service-Request (SOR)
• Subsystem-Prohibited (SSP)
• Subsystem-Status-Test (SST)
• Unit Data (UDT)
• Unit Data Service (UDTS)

NOTE: As of August 2009, LUDT and LUDTS are not supported.