Annex B: Clearing Cause Mappings; Definitions Of Internal Tokens - DataKinetics DSC110 User Manual

10. ANNEX B: Clearing Cause Mappings

This section lists each of the Internal Tokens both by number and description and
then details the entire contents of the pre-configured Receive Clearing Cause
Mapping Tables and the Transmit Clearing Cause Mapping Tables.

10.1 Definitions of Internal Tokens

The following table defines the meaning of all Internal Clearing Cause Tokens.
Internal
Token
0
1
2
3
4
5
6
7
8
9
10-15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32-33
34
35-37
38
39-40
41
42
43
44
45
46
47
48
49
50
51
52
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NULL Clearing Cause
Unallocated number
No route to specified transit network
No route to destination
Send special information tone
Misdialled trunk prefix
Channel unacceptable
Call awarded and being delivered in an established channel
Pre-emption(ANSI CS 0)
Pre-emption – circuit reserved for reuse
Reserved for future ITU use
Normal call clearing
User busy
No user responding
No answer from user (user alerted)
Absent subscriber
Call rejected
Number changed
Unallocated destination group (ANSI CS 2)
Undefined business group (ANSI CS 2)
Exchange routing error (ANSI CS 2)
Non selected user clearing
Destination out of order
Address incomplete
Facility rejected
Response to STATUS ENQUIRY
Normal unspecified
Reserved for future ITU use
No circuit available
Reserved for future ITU use
Network out of order
Reserved for future ITU use
Temporary failure
Switching equipment congestion
Access information discarded
Requested channel not available
Pre-emption(ITU)
Pre-emption(ANSI CS 2)
Precedence call blocked(ITU)
Precedence call blocked(ANSI CS 2)
Resource unavailable – unspecified
Reserved for future ITU use
Quality of service unavailable
Request facility not subscribed
Call type incompatible with service request (ANSI CS 2)
Call blocked due to group restrictions (ANSI CS 2)
Definition
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