Cause Code Values
- Kelli Higdon
Q.931 ISUP Cause Codes
Value | Description |
| Value | Description |
|---|---|---|---|---|
000 | Reserved |
| 053 | Outgoing Calls Barred Within CUG |
001 | Unallocated |
| 054 | Unknown Cause Code |
002 | No Route to Specified Transit Network |
| 055 | Incoming Calls Barred Within CUG |
003 | No Route to Destination |
| 056 | Unknown Cause Code |
004 | Send Special Information Tone |
| 057 | Bearer Capability Not Authorized |
005 | Misdialed Trunk Prefix |
| 058 | Bearer Capability Not Available |
006 | Channel Unacceptable |
| 059 - 061 | Unknown Cause Code |
007 | Call Awarded |
| 062 | Inconsistency b/w access info and sub class |
008 | Preemption |
| 063 | Service of Option Not Available, unspecified |
009 | Preemption - Circuit Reserved for Reuse |
| 064 | Unknown Cause Code |
010 - 015 | Unknown Cause Code |
| 065 | Bearer Capability Not Implemented |
016 | Normal Call Clearing |
| 066 | Channel Type Not Implemented |
017 | User Busy |
| 067 | Unknown Cause Code |
018 | No User Responding |
| 068 | Unknown Cause Code |
019 | No Answer from User |
| 069 | Requested Facility Not Implemented |
020 | Subscriber absent |
| 070 | Restricted Digital Info Bearer Only |
021 | Call Rejected |
| 071 - 078 | Unknown Cause Code |
022 | Number Changed |
| 079 | Service or Option Not Implemented, unspecified |
023 | Unknown Cause Code |
| 080 | Unknown Cause Code |
024 | Unknown Cause Code |
| 081 | Invalid Call Reference Value |
025 | Exchange Routing Error |
| 082 | Identified Channel Does Not Exist |
026 | Non-Selected User Clearing |
| 083 | Call Identity Does Not Exist |
027 | Destination Out of Order |
| 084 | Call Identity In Use |
028 | Invalid Number Format |
| 085 | No Call Suspended |
029 | Facility Rejected |
| 086 | Call Identity Has Been Cleared |
030 | Response to STATUS ENQUIRY |
| 087 | User Not Member of CUG |
031 | Normal, Unspecified |
| 088 | Incompatible Destination |
032 | Unknown Cause Code |
| 089 | Unknown Cause Code |
033 | Unknown Cause Code |
| 090 | Non-existent CUG |
034 | No Circuit/Channel Available |
| 091 | Invalid Transit network Selection |
035 - 037 | Unknown Cause Code |
| 092 | Unknown Cause Code |
038 | Network Out of Order |
| 093 | Unknown Cause Code |
039 | Frame Mode Connection Out of Service |
| 094 | Unknown Cause Code |
040 | Frame Mode Connection Operational |
| 095 | Invalid Message, unspecified |
041 | Temporary Failure |
| 096 | Mandatory Information Element Missing |
042 | Switching Equipment Congestion |
| 097 | Message Type Non-existent or Not Implemented |
043 | Access Information Discarded |
| 098 | Message Not Compatible with Call State |
044 | Requested Circuit/Channel Unavailable |
| 099 | Information Element/Parameter Non-existent |
045 | Unknown Cause Code |
| 100 | Invalid Information Element Contents |
046 | Precedence Call Blocked |
| 101 | Message Not Compatible with Call State |
047 | Resource Unavailable, unspecified |
| 102 | Recovery on Timer Expired |
048 | Unknown Cause Code |
| 103 | Parameter Non-existent or Not Implemented |
049 | Quality of Service Unavailable |
| 104 - 109 | Unknown Cause Code |
050 | Requested Facility Not Subscribed |
| 110 | Message with Unrecognized Parameter |
051 | Unknown Cause Code |
| 111 | Protocol Error, unspecified |
052 | Unknown Cause Code |
| 112 - 254 | Unknown Cause Code |
SIP Request Failure Response Codes (RFC 3261)
Value | Description |
| Value | Description |
|---|---|---|---|---|
400 | Bad Request |
| 482 | Loop Detected |
401 | Unauthorized |
| 483 | Too Many Hops |
402 | Payment Required |
| 484 | Address Incomplete |
403 | Forbidden |
| 485 | Ambiguous |
404 | Not Found |
| 486 | Busy Here |
405 | Method Not Allowed |
| 487 | Request Terminated |
406 | Not Acceptable |
| 488 | Not Acceptable Here |
407 | Proxy Authentication Required |
| 489 | Bad Event |
408 | Request Timeout |
| 491 | Request Pending |
410 | Gone |
| 493 | Undecipherable |
412 | Conditional Request Failed |
| 494 | Security Agreement Required |
413 | Request Entity Too Large |
| 500 | Server Internal Error |
414 | Request-URI Too Long |
| 501 | Not Implemented |
415 | Unsupported Media Type |
| 502 | Bad Gateway |
416 | Unsupported URI Scheme |
| 503 | Service Unavailable |
417 | Unknown Resource-Priority |
| 504 | Server Time -out |
420 | Bad Extension |
| 505 | Version Not Supported |
421 | Extension Required |
| 513 | Message Too Large |
422 | Session Interval Too Small |
| 600 | Precondition Failure |
423 | Interval Too Brief |
| 603 | Busy Everywhere |
429 | Provide Referrer Identity |
| 604 | Does Not Exist Anywhere |
480 | Temporarily Unavailable |
| 606 | Not Acceptable |
481 | Call/Transaction Does Not Exist |
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