Welltech Dialogic SS7 Protocols ISUP - Manual (Page 4)

Contents
4
6.5.21 Proceeding request ................................................................................................... 41
6.5.22 Progress Request...................................................................................................... 42
6.5.23 Release Response ..................................................................................................... 43
6.5.24 Release Request ....................................................................................................... 44
6.5.25 Request Information Request ..................................................................................... 45
6.5.26 Resume Request....................................................................................................... 45
6.5.27 Segmentation Request .............................................................................................. 46
6.5.28 Setup Request.......................................................................................................... 46
6.5.29 Setup Response ....................................................................................................... 49
6.5.30 Subsequent Directory Number Request ....................................................................... 52
6.5.31 Suspend Request...................................................................................................... 52
6.5.32 Unrecognised Message Request .................................................................................. 53
6.5.33 User Information Request .......................................................................................... 53
6.6 Application Messages from ISUP ............................................................................................. 54
6.6.1 Alerting Indication .................................................................................................... 56
6.6.2 Application Transport Indication ................................................................................. 59
6.6.3 ‘Generic’ Charge Indication ........................................................................................ 59
6.6.4 Circuit Seized Indication ............................................................................................ 60
6.6.5 Collection Charging Indication .................................................................................... 60
6.6.6 Confusion Indication ................................................................................................. 60
6.6.7 Continuity Indication ................................................................................................. 61
6.6.8 End-to-End Message Indication .................................................................................. 61
6.6.9 Exit Indication .......................................................................................................... 61
6.6.10 Facility Indication ..................................................................................................... 62
6.6.11 Facility Confirmation ................................................................................................. 63
6.6.12 Forward Transfer Indication ....................................................................................... 64
6.6.13 Identification Indication............................................................................................. 64
6.6.14 Identification Confirmation......................................................................................... 65
6.6.15 Information Indication............................................................................................... 65
6.6.16 Loop Back Acknowledgement Indication ...................................................................... 66
6.6.17 Loop Prevention Indication......................................................................................... 67
6.6.18 Network Resource Management Indication................................................................... 67
6.6.19 Overload Indication................................................................................................... 68
6.6.20 Pre-Release Information Indication ............................................................................. 68
6.6.21 Proceeding Indication................................................................................................ 69
6.6.22 Progress Indication ................................................................................................... 70
6.6.23 Release Confirmation ................................................................................................ 71
6.6.24 Release Indication .................................................................................................... 71
6.6.25 Request Information Indication .................................................................................. 72
6.6.26 Resume Indication .................................................................................................... 73
6.6.27 Segmentation Indication............................................................................................ 73
6.6.28 Setup Confirmation................................................................................................... 74
6.6.29 Setup Indication ....................................................................................................... 76
6.6.30 Subsequent Directory Number Indication..................................................................... 78
6.6.31 Suspend Indication ................................................................................................... 79
6.6.32 Unrecognised Message Indication ............................................................................... 79
6.6.33 User Information Indication ....................................................................................... 79
6.7 Parameter Definitions ............................................................................................................ 80
6.7.1 Called Party Number ................................................................................................. 86
6.7.2 Calling Party Number ................................................................................................ 86
6.7.3 Cause Indicators....................................................................................................... 87
6.7.4 Custom Parameter.................................................................................................... 88
6.7.5 Message Data .......................................................................................................... 88
6.7.6 Number of Metering Pulses ........................................................................................ 89
6.7.7 Tariff Type .......................................................................................................... 89
6.7.8 Unrecognised Parameter............................................................................................ 90
6.8 Use of Call Control Primitives.................................................................................................. 90
6.8.1 Call Clearing Procedure ............................................................................................. 90
6.8.2 Call Collision Procedure ............................................................................................. 91
6.8.3 Hop Counter Procedure ............................................................................................. 94
6.8.4 Continuity Testing..................................................................................................... 95
6.8.5 Malicious Call Identification (MCID) Supplementary Service ......................................... 108