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Message Flow of TCAP Components
Overview
This section contains the SS7 SCCP and TCAP PPL components and their IDs. Also, you will find diagrams showing the message flow for SCCP and TCAP components.
SCCP PPL Components
The following list contains the SS7 SCCP PPL Components and their IDs:
Component ID |
Component Name |
---|---|
0x65 |
SCLC - SCCP Connectionless Control |
0x66 |
SCRC - SCCP Routing Control |
0x67 |
SUSI - SCCP User Interface |
0x68 |
SPPC - Signaling Point Prohibited Control |
0x69 |
SPAC - Signaling Point Allowed Control |
0x6A |
SPCC - Signaling Point Congestion Control |
0x6B |
SSPC - Subsystem Prohibited Control |
0x6C |
SSAC - Subsystem Allowed Control |
0x6D |
SSTC - Subsystem Status Test Control |
0x6E |
BCST - Broadcast |
0x6F |
LBCS - Local Broadcast |
TCAP PPL Components
Component ID |
Component Name |
---|---|
0x70 |
TUSI - TCAP User Interface |
0x71 |
CCO - Component Portion Control |
0x72 |
ISM - Component Portion |
0x73 |
TCO - Transaction Coordinator |
0x74 |
TSM - Transaction State Machine |
0x75 |
DHA - dialog Handling |
Message flow for SCCP and TCAP components
Figure 6-4 SCCP Components and Message Flow
Note: SCMG = SCCP Management
Figure 6-5 TCAP Components and Message Flow