Asterisk Value |
Q.931 Cause Text |
MFC/R2 |
SIP |
AST_CAUSE_NOT_DEFINED |
Cause not defined |
OR2_CAUSE_UNSPECIFIED |
|
AST_CAUSE_UNALLOCATED |
Unallocated (unassigned) number |
|
404, 485, 604 |
AST_CAUSE_NO_ROUTE_TRANSIT_NET |
No route to specified transmit network |
|
|
AST_CAUSE_NO_ROUTE_DESTINATION |
No route to destination |
|
420 |
AST_CAUSE_MISDIALLED_TRUNK_PREFIX |
Misdialed trunk prefix |
|
|
AST_CAUSE_CHANNEL_UNACCEPTABLE |
Channel unacceptable |
|
|
AST_CAUSE_CALL_AWARDED_DELIVERED |
Call awarded and being delivered in an established channel |
|
|
AST_CAUSE_PRE_EMPTED |
Pre-empted |
|
|
AST_CAUSE_NUMBER_PORTED_NOT_HERE |
Number ported elsewhere |
|
|
AST_CAUSE_NORMAL_CLEARING |
Normal Clearing |
OR2_CAUSE_NORMAL_CLEARING |
|
AST_CAUSE_USER_BUSY |
User busy |
OR2_CAUSE_BUSY_NUMBER |
486, 600 |
AST_CAUSE_NO_USER_RESPONSE |
No user responding |
|
408 |
AST_CAUSE_NO_ANSWER |
User alerting, no answer |
OR2_CAUSE_NO_ANSWER |
480, 483 |
AST_CAUSE_SUBSCRIBER_ABSENT |
Subscriber absent |
OR2_CAUSE_UNALLOCATED_NUMBER |
|
AST_CAUSE_CALL_REJECTED |
Call Rejected |
|
401, 403, 407, 603 |
AST_CAUSE_NUMBER_CHANGED |
Number changed |
|
410 |
AST_CAUSE_REDIRECTED_TO_NEW_DESTINATION |
Redirected to new destination |
|
|
AST_CAUSE_ANSWERED_ELSEWHERE |
Answered elsewhere |
|
|
AST_CAUSE_DESTINATION_OUT_OF_ORDER |
Destination out of order |
OR2_CAUSE_OUT_OF_ORDER |
502 |
AST_CAUSE_INVALID_NUMBER_FORMAT |
Invalid number format |
|
484 |
AST_CAUSE_FACILITY_REJECTED |
Facility rejected |
|
501 |
AST_CAUSE_RESPONSE_TO_STATUS_ENQUIRY |
Response to STATus ENQuiry |
|
|
AST_CAUSE_NORMAL_UNSPECIFIED |
Normal, unspecified |
|
|
AST_CAUSE_NORMAL_CIRCUIT_CONGESTION |
Circuit/channel congestion |
OR2_CAUSE_NETWORK_CONGESTION |
|
AST_CAUSE_NETWORK_OUT_OF_ORDER |
Network out of order |
|
500 |
AST_CAUSE_NORMAL_TEMPORARY_FAILURE |
Temporary failure |
|
409 |
AST_CAUSE_SWITCH_CONGESTION |
Switching equipment congestion |
|
5xx |
AST_CAUSE_ACCESS_INFO_DISCARDED |
Access information discarded |
|
|
AST_CAUSE_REQUESTED_CHAN_UNAVAIL |
Requested channel not available |
|
|
AST_CAUSE_FACILITY_NOT_SUBSCRIBED |
Facility not subscribed |
|
|
AST_CAUSE_OUTGOING_CALL_BARRED |
Outgoing call barred |
|
|
AST_CAUSE_INCOMING_CALL_BARRED |
Incoming call barred |
|
|
AST_CAUSE_BEARERCAPABILITY_NOTAUTH |
Bearer capability not authorized |
|
|
AST_CAUSE_BEARERCAPABILITY_NOTAVAIL |
Bearer capability not available |
|
488, 606 |
AST_CAUSE_BEARERCAPABILITY_NOTIMPL |
Bearer capability not implemented |
|
|
AST_CAUSE_CHAN_NOT_IMPLEMENTED |
Channel not implemented |
|
|
AST_CAUSE_FACILITY_NOT_IMPLEMENTED |
Facility not implemented |
|
|
AST_CAUSE_INVALID_CALL_REFERENCE |
Invalid call reference value |
|
|
AST_CAUSE_INCOMPATIBLE_DESTINATION |
Incompatible destination |
|
|
AST_CAUSE_INVALID_MSG_UNSPECIFIED |
Invalid message unspecified |
|
|
AST_CAUSE_MANDATORY_IE_MISSING |
Mandatory information element is missing |
|
|
AST_CAUSE_MESSAGE_TYPE_NONEXIST |
Message type nonexist |
|
|
AST_CAUSE_WRONG_MESSAGE |
Wrong message |
|
|
AST_CAUSE_IE_NONEXIST |
Info. element nonexist or not implemented |
|
|
AST_CAUSE_INVALID_IE_CONTENTS |
Invalid information element contents |
|
|
AST_CAUSE_WRONG_CALL_STATE |
Message not compatible with call state |
|
|
AST_CAUSE_RECOVERY_ON_TIMER_EXPIRE |
Recover on timer expiry |
|
504 |
AST_CAUSE_MANDATORY_IE_LENGTH_ERROR |
Mandatory IE length error |
|
|
AST_CAUSE_PROTOCOL_ERROR |
Protocol error, unspecified |
|
|
AST_CAUSE_INTERWORKING |
Interworking, unspecified |
|
4xx, 505, 6xx |