List of Figures

• 2-1        M2PA Network
• 2-2        ANSI MSU (ANSI Message Signal Unit)
• 2-3        ITU-I MSU (ITU International Message Signal Unit)
• 2-4        14-Bit ITU-N MSU (14-Bit ITU National Message Signal Unit)
• 2-5        24-Bit ITU-N MSU (24-Bit ITU National Message Signal Unit)
• 2-6        Process Flow of GTT Throttle Action
• 2-7        SCCP MAP Validation Flowchart
• 2-8        Transaction-Based GTT Load Sharing SCCP Options
• 2-9        VLR Validation - vSTP Call Flow when No IMSI Record Found in UDR
• 2-10      VLR Validation - vSTP Call Flow when IMSI Record is Found in UDR
• 2-11      Velocity Check - vSTP Call Flow when IMSI Record is not Found in UDR
• 2-12      Velocity Check - vSTP Call Flow when IMSI Record Found in UDR
• 2-13      SFAPP Process Message
• 2-14      Perform VLR Validation
• 2-15      Perform Velocity Check
• 2-16      VLR Validation in Learning Mode
• 2-17      Velocity Check in Learning Mode
• 2-18      VLR Validation in Test Mode
• 2-19      Velocity Check in Test Mode
• 2-20      VLR Validation in Active Mode
• 2-21      Velocity Check in Active Mode
• 2-22      Message Flow for ASP - M3UA Client
• 2-23      vSTP TDM Support Components
• 2-24      MTP2 Link Congestion Detection
• 2-25      Only STP-MP Site
• 2-26      STP-MP and DA-MP in a Site
• 2-27      Multiple STP Servers in a Server Group
• 2-28      HA Role for STP Servers
• 2-29      Example: SLS Outgoing Bit Rotation
• 2-30      Example: SLS Use of Other CIC Bit
• 2-31      ANSI 5-bit to ANSI 8-bit SLS Conversion
• 2-32      ANSI to ITU SLS Conversion
• 2-33      CAT2 SS7 Security Workflow
• 2-34      IR21 Utility
• 2-35      Importing IR21 CSV Files
• 4-1        Global Action and Administration Permissions