Disconnect Cause Code Tables - Toshiba STRATA DK14 Installation And Maintenance Manual

Disconnect Cause Code Tables

ISDN Cause Codes contain detailed information offered by ISDN's layer 3 protocol when the
line is disconnected. Cause code definitions for ISDN PRI and BRI lines are shown in
16-19~16-24.
Table 16-19 ISDN PRI Disconnect Cause Values
DK Cause
Values
01
02
03
06
07
10
11
12
13
15
16
1B
1C
1D
1E
1F
22
29
2A
2B
2C
2F
32
39
3A
3F
41
45
4F
51
58
60
61
63
64
65
66
6F
7F
Strata DK I&M 6/00
Disconnect Cause
Unallocated (unassigned) number
No route to specified transit network
No route to destination
Channel unacceptable
Call awarded and being delivered in an established channel
Normal Clearing
User busy
No user responding
User alerting, no answer
Call rejected
Number changed
Destination out of order
Invalid number format
Facility rejected
Response to STATus ENQuiry
Normal, unspecified
Circuit/channel congestion
Temporary failure
Switching equipment congestion
Access information discarded
Requested channel not available
Resources unavailable, unspecified
Requested facility not subscribed
Bearer capability not authorized
Bearer capability not presently available
Service or option not available, unspecified.
Bearer capability not implemented
Requested facility not implemented
Service or option not implemented, unspecified
Invalid call reference value
Incompatible destination
Mandatory information element is missing
Message type nonexisting
Information element nonexisting or not implemented
Invalid information element contents
Message not compatible with call state
Recovery on timer expiry
Protocol error, unspecified
Interworking, unspecified
ISDN Interfaces
ISDN Disconnect Cause Code
Tables
16-51