Welltech Dialogic SS7 Protocols ISUP - Manual (Page 3)

Dialogic ® SS7 Protocols ISUP Programmer's Manual Issue 15
3
Contents
Revision History............................................................................................................7
1 About this Publication .........................................................................................9
1.1 Introduction ........................................................................................................................... 9
1.2 Abbreviations ......................................................................................................................... 9
1.3 Related Documentation ......................................................................................................... 10
1.4 Feature Overview ................................................................................................................. 11
2 General Description ...........................................................................................13
2.1 Module Overview .................................................................................................................. 13
2.2 Module Configuration ............................................................................................................ 13
2.2.1 Customizing ISUP variants......................................................................................... 14
3 Internal Data Structures ...................................................................................17
3.1 Introduction ......................................................................................................................... 17
3.2 Global Ram Data Structure .................................................................................................... 17
3.3 Circuit Group Data Structure .................................................................................................. 17
3.4 Per Circuit Data Structure ...................................................................................................... 17
4 Interface to System Services.............................................................................19
4.1 System Functions ................................................................................................................. 19
4.2 Timer Operation ................................................................................................................... 19
5 Interface to MTP................................................................................................21
6 Interface to Application.....................................................................................23
6.1 Introduction ......................................................................................................................... 23
6.2 Application Message - Header Format...................................................................................... 23
6.2.1 Transmit Request ..................................................................................................... 23
6.2.2 Receive Indication .................................................................................................... 24
6.3 Application Message - User Data Format.................................................................................. 25
6.4 Parameter Extension Mechanism ............................................................................................ 26
6.5 Application Messages to ISUP................................................................................................. 26
6.5.1 Alerting Request....................................................................................................... 28
6.5.2 Application Transport Request.................................................................................... 30
6.5.3 ‘Generic’ Charge Request .......................................................................................... 31
6.5.4 Circuit Seized Request .............................................................................................. 31
6.5.5 Collection Charging Request ...................................................................................... 32
6.5.6 Confusion Request.................................................................................................... 32
6.5.7 Continuity Request ................................................................................................... 32
6.5.8 End-to-End Message Request..................................................................................... 33
6.5.9 Exit Request .......................................................................................................... 33
6.5.10 Facility Request........................................................................................................ 33
6.5.11 Facility Response...................................................................................................... 35
6.5.12 Forward Transfer Request.......................................................................................... 36
6.5.13 Identification Request ............................................................................................... 36
6.5.14 Identification Response ............................................................................................. 36
6.5.15 Information Request ................................................................................................. 37
6.5.16 Loop Back Acknowledgement Request......................................................................... 38
6.5.17 Loop Prevention Request ........................................................................................... 39
6.5.18 Network Resource Management Request ..................................................................... 39
6.5.19 Overload Request ..................................................................................................... 40
6.5.20 Pre-Release Information Request ............................................................................... 40