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SS7 Protocols ISUP Programmer's Manual Issue 15
113
7 Management Interface
7.1 Introduction
The management interface allows the user to interface with the Circuit
Supervision Control (CSC) block of the ISUP module. The interface is
message based and uses the same basic message structure as defined in the
previous section. The messages available allow the user to carry out the
following circuit supervision functions:
• Reset a circuit or circuit group
• Abort a reset cycle
• Block a circuit or circuit group
• Unblock a circuit or circuit group
• Abort a blocking/unblocking attempt
• Request the circuit status from the remote signaling point (Circuit group
query)
In the case of blocking, two circuit blocking procedures are defined. One
procedure causes immediate release of all affected circuits. This is referred
to by ITU-T as “Hardware Blocking”, and by ANSI as “Blocking with
immediate release of all circuits”. In the following sections, the term
Hardware Blocking will be used.
The second type of blocking does not cause immediate release of circuits, and
is referred to by ITU-T as “Maintenance Blocking” and by ANSI as “Blocking
without release of circuits”. In the following sections, the term Maintenance
Blocking will be used.
Commands originated by the user take the form of a Circuit Group
Supervision Request. On completion of command execution, the user
receives notification in the form of a Circuit Group Supervision Confirmation.
Events initiated at the remote end of the network are notified to the user in a
Circuit Group Supervision Indication.
When the ISUP module returns a confirmation message containing a status
value, the status will be one of the following:
Table 3. ISUP Module Confirmation Message Statuses
Value Mnemonic Description
0 none Success
1 ISPE_BAD_ID Inappropriate or invalid id in request message
5 ISPE_BAD_MSG Inappropriate or unrecognized message type.
6 ISPE_BAD_PARAM Invalid parameters contained in message.
The message structure and parameters for each message are defined in the
following sub-sections.
- Dialogic 1
- SS7 Protocols 1
- Contents 3
- Figures 6
- Revision History 7
- About this Publication 9
- 1.3 Related Documentation 10
- 1.4 Feature Overview 11
- 2 General Description 13
- Value Mnemonic Meaning 14
- 3 Internal Data Structures 17
- 4.1 System Functions 19
- 4.2 Timer Operation 19
- 5 Interface to MTP 21
- Section 5 Interface to MTP 22
- 6 Interface to Application 23
- 6.2.2 Receive Indication 24
- 6.5.1 Alerting Request 28
- 6.5.6 Confusion Request 32
- 6.5.7 Continuity Request 32
- 6.5.9 Exit Request 33
- 6.5.10 Facility Request 33
- 6.5.11 Facility Response 35
- 6.5.15 Information Request 37
- 6.5.19 Overload Request 40
- 6.5.21 Proceeding request 41
- 6.5.22 Progress Request 42
- 6.5.23 Release Response 43
- 6.5.24 Release Request 44
- 6.5.26 Resume Request 45
- 6.5.27 Segmentation Request 46
- 6.5.28 Setup Request 46
- 6.5.29 Setup Response 49
- 6.5.31 Suspend Request 52
- 6.6.1 Alerting Indication 56
- 6.6.6 Confusion Indication 60
- 6.6.7 Continuity Indication 61
- 6.6.9 Exit Indication 61
- 6.6.10 Facility Indication 62
- 6.6.11 Facility Confirmation 63
- 6.6.19 Overload 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
- 6.6.26 Resume Indication 73
- 6.6.28 Setup Confirmation 74
- 6.6.29 Setup Indication 76
- 6.6.31 Suspend 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
- 6.7.7 Tariff Type 89
- 6.7.8 Unrecognised Parameter 90
- 6.8.3 Hop Counter Procedure 94
- 6.8.4 Continuity Testing 95
- Call Set Up 99
- Service 108
- 6.8.6 Message Segmentation 109
- 7 Management Interface 113
- reserved Set to zero 116
- 7.6 Local Overload Request 118
- Parameters 120
- 8 Non-Primitive Interface 121
- 8.3.1 Timer default values 138
- 8.5 Variant Initialisation 141
- operation 142
- message type 142
- 8.8 Read RAM Request 145
- 8.10 Read Circuit Request 146
- 8.11 Read Revision Request 146
- Section 150
- Event specific data 158
- Call states 164
- 8.22 Trace Event Indication 166
- A.1 German ISUP 171
- A.2 UK ISUP 172
- A.3 Japan (TTC) ISUP 173
- A.4 Nortel RLT 174
- A.4.2 Nortel RLT (ITU) 175
- A.5 Italian ISUP 176
- A.6 French ISUP 177
- A.7 China ISUP 178
- A.8 Finnish ISUP 180
- A.9 BICC 180
- Hex Dec Min Max 181
- Reference 181
- ISUP Module 183
- B.2 ITU-T Parameters 184
- B.3 ANSI T1.113 Messages 188
- B.4 ANSI T1.113 Parameters 189
- More Extended Options 195
- Appendix F: Timer Services 199
- F.1 Timer Expiry 200
- Variant Initialisation, 141 203
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