Dialogic IMG - Cause Indicators Table (SIP to SIP-T Interworking)
Table of Contents
Cause Indicators (Octet 1/Reason)
| H | G | F | E | D | C | B | A |
|---|---|---|---|---|---|---|---|---|
Location |
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User |
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| 0 | 0 | 0 | 0 |
Local private network |
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| 0 | 0 | 0 | 1 |
local public network |
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| 0 | 0 | 1 | 0 |
Transit Network |
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| 0 | 0 | 1 | 1 |
Remote Local Network |
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| 0 | 1 | 0 | 0 |
Remote Private Network |
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| 0 | 1 | 0 | 1 |
Local interface controlled by this signaling link |
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| 0 | 1 | 1 | 0 |
International Network |
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| 0 | 1 | 1 | 1 |
Network beyond interworking point |
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| 1 | 0 | 1 | 0 |
Spare |
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| 0 |
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Coding Standard |
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ITU-TS standard |
| 0 | 0 |
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Reserved for other international standards |
| 0 | 1 |
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Ansi Standard |
| 1 | 0 |
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Reserved |
| 1 | 1 |
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Extension Bit |
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Parameter continues to next octet | 0 |
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Last octet | 1 |
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Cause Indicators (Octet 2/Cause) Class 000 and 001 Normal Event
| H | G | F | E | D | C | B | A |
|---|---|---|---|---|---|---|---|---|
Class 000 and 001, Normal Event |
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Unallocated Number | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
No Route to specified transit network | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
local public network No route to destination | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
Send special information tone | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
Mis-dialed trunk prefix | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
Preemption | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
Preemption-circuit reserved for reuse | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 |
Normal Clearing | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
User Busy | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 |
No user responding | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
No answer from user | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 |
Subscriber absent | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 |
Call Rejected | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 |
Number Changed | 0 |
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