AST_CAUSE 定义

 

文件位置asterisk-1.4.26.2/include/asterisk/causes.h

 

 

#ifndef _ASTERISK_CAUSES_H
#define _ASTERISK_CAUSES_H

/* Causes for disconnection (from Q.931) */
#define AST_CAUSE_UNALLOCATED				1
#define AST_CAUSE_NO_ROUTE_TRANSIT_NET			2
#define AST_CAUSE_NO_ROUTE_DESTINATION			3
#define AST_CAUSE_CHANNEL_UNACCEPTABLE			6
#define AST_CAUSE_CALL_AWARDED_DELIVERED		7
#define AST_CAUSE_NORMAL_CLEARING			16
#define AST_CAUSE_USER_BUSY				17
#define AST_CAUSE_NO_USER_RESPONSE			18
#define AST_CAUSE_NO_ANSWER				19
#define AST_CAUSE_SUBSCRIBER_ABSENT			20
#define AST_CAUSE_CALL_REJECTED				21
#define AST_CAUSE_NUMBER_CHANGED			22
#define AST_CAUSE_DESTINATION_OUT_OF_ORDER		27
#define AST_CAUSE_INVALID_NUMBER_FORMAT			28
#define AST_CAUSE_FACILITY_REJECTED			29
#define AST_CAUSE_RESPONSE_TO_STATUS_ENQUIRY		30
#define AST_CAUSE_NORMAL_UNSPECIFIED			31
#define AST_CAUSE_NORMAL_CIRCUIT_CONGESTION		34
#define AST_CAUSE_NETWORK_OUT_OF_ORDER			38
#define AST_CAUSE_NORMAL_TEMPORARY_FAILURE		41
#define AST_CAUSE_SWITCH_CONGESTION			42
#define AST_CAUSE_ACCESS_INFO_DISCARDED			43
#define AST_CAUSE_REQUESTED_CHAN_UNAVAIL		44
#define AST_CAUSE_PRE_EMPTED				45
#define AST_CAUSE_FACILITY_NOT_SUBSCRIBED  		50
#define AST_CAUSE_OUTGOING_CALL_BARRED     		52
#define AST_CAUSE_INCOMING_CALL_BARRED     		54
#define AST_CAUSE_BEARERCAPABILITY_NOTAUTH		57
#define AST_CAUSE_BEARERCAPABILITY_NOTAVAIL     	58
#define AST_CAUSE_BEARERCAPABILITY_NOTIMPL		65
#define AST_CAUSE_CHAN_NOT_IMPLEMENTED     		66
#define AST_CAUSE_FACILITY_NOT_IMPLEMENTED      	69
#define AST_CAUSE_INVALID_CALL_REFERENCE		81
#define AST_CAUSE_INCOMPATIBLE_DESTINATION		88
#define AST_CAUSE_INVALID_MSG_UNSPECIFIED  		95
#define AST_CAUSE_MANDATORY_IE_MISSING			96
#define AST_CAUSE_MESSAGE_TYPE_NONEXIST			97
#define AST_CAUSE_WRONG_MESSAGE				98
#define AST_CAUSE_IE_NONEXIST				99
#define AST_CAUSE_INVALID_IE_CONTENTS			100
#define AST_CAUSE_WRONG_CALL_STATE			101
#define AST_CAUSE_RECOVERY_ON_TIMER_EXPIRE		102
#define AST_CAUSE_MANDATORY_IE_LENGTH_ERROR		103
#define AST_CAUSE_PROTOCOL_ERROR			111
#define AST_CAUSE_INTERWORKING				127

/* Special Asterisk aliases */
#define AST_CAUSE_BUSY 					AST_CAUSE_USER_BUSY
#define AST_CAUSE_FAILURE 				AST_CAUSE_NETWORK_OUT_OF_ORDER
#define AST_CAUSE_NORMAL 				AST_CAUSE_NORMAL_CLEARING
#define AST_CAUSE_NOANSWER	 			AST_CAUSE_NO_ANSWER
#define AST_CAUSE_CONGESTION	 			AST_CAUSE_NORMAL_CIRCUIT_CONGESTION
#define AST_CAUSE_UNREGISTERED				AST_CAUSE_SUBSCRIBER_ABSENT
#define AST_CAUSE_NOTDEFINED 				0
#define AST_CAUSE_NOSUCHDRIVER				AST_CAUSE_CHAN_NOT_IMPLEMENTED

#endif /* _ASTERISK_CAUSES_H */

 

注释部分

文件位置：asterisk-1.4.26.2/main/channels.c

-------------------------------------------------------------------

	{ AST_CAUSE_UNALLOCATED, "UNALLOCATED", "Unallocated (unassigned) number" },
	{ AST_CAUSE_NO_ROUTE_TRANSIT_NET, "NO_ROUTE_TRANSIT_NET", "No route to specified transmit network" },
	{ AST_CAUSE_NO_ROUTE_DESTINATION, "NO_ROUTE_DESTINATION", "No route to destination" },
	{ AST_CAUSE_CHANNEL_UNACCEPTABLE, "CHANNEL_UNACCEPTABLE", "Channel unacceptable" },
	{ AST_CAUSE_CALL_AWARDED_DELIVERED, "CALL_AWARDED_DELIVERED", "Call awarded and being delivered in an established channel" },
	{ AST_CAUSE_NORMAL_CLEARING, "NORMAL_CLEARING", "Normal Clearing" },
	{ AST_CAUSE_USER_BUSY, "USER_BUSY", "User busy" },
	{ AST_CAUSE_NO_USER_RESPONSE, "NO_USER_RESPONSE", "No user responding" },
	{ AST_CAUSE_NO_ANSWER, "NO_ANSWER", "User alerting, no answer" },
	{ AST_CAUSE_CALL_REJECTED, "CALL_REJECTED", "Call Rejected" },
	{ AST_CAUSE_NUMBER_CHANGED, "NUMBER_CHANGED", "Number changed" },
	{ AST_CAUSE_DESTINATION_OUT_OF_ORDER, "DESTINATION_OUT_OF_ORDER", "Destination out of order" },
	{ AST_CAUSE_INVALID_NUMBER_FORMAT, "INVALID_NUMBER_FORMAT", "Invalid number format" },
	{ AST_CAUSE_FACILITY_REJECTED, "FACILITY_REJECTED", "Facility rejected" },
	{ AST_CAUSE_RESPONSE_TO_STATUS_ENQUIRY, "RESPONSE_TO_STATUS_ENQUIRY", "Response to STATus ENQuiry" },
	{ AST_CAUSE_NORMAL_UNSPECIFIED, "NORMAL_UNSPECIFIED", "Normal, unspecified" },
	{ AST_CAUSE_NORMAL_CIRCUIT_CONGESTION, "NORMAL_CIRCUIT_CONGESTION", "Circuit/channel congestion" },
	{ AST_CAUSE_NETWORK_OUT_OF_ORDER, "NETWORK_OUT_OF_ORDER", "Network out of order" },
	{ AST_CAUSE_NORMAL_TEMPORARY_FAILURE, "NORMAL_TEMPORARY_FAILURE", "Temporary failure" },
	{ AST_CAUSE_SWITCH_CONGESTION, "SWITCH_CONGESTION", "Switching equipment congestion" },
	{ AST_CAUSE_ACCESS_INFO_DISCARDED, "ACCESS_INFO_DISCARDED", "Access information discarded" },
	{ AST_CAUSE_REQUESTED_CHAN_UNAVAIL, "REQUESTED_CHAN_UNAVAIL", "Requested channel not available" },
	{ AST_CAUSE_PRE_EMPTED, "PRE_EMPTED", "Pre-empted" },
	{ AST_CAUSE_FACILITY_NOT_SUBSCRIBED, "FACILITY_NOT_SUBSCRIBED", "Facility not subscribed" },
	{ AST_CAUSE_OUTGOING_CALL_BARRED, "OUTGOING_CALL_BARRED", "Outgoing call barred" },
	{ AST_CAUSE_INCOMING_CALL_BARRED, "INCOMING_CALL_BARRED", "Incoming call barred" },
	{ AST_CAUSE_BEARERCAPABILITY_NOTAUTH, "BEARERCAPABILITY_NOTAUTH", "Bearer capability not authorized" },
	{ AST_CAUSE_BEARERCAPABILITY_NOTAVAIL, "BEARERCAPABILITY_NOTAVAIL", "Bearer capability not available" },
	{ AST_CAUSE_BEARERCAPABILITY_NOTIMPL, "BEARERCAPABILITY_NOTIMPL", "Bearer capability not implemented" },
	{ AST_CAUSE_CHAN_NOT_IMPLEMENTED, "CHAN_NOT_IMPLEMENTED", "Channel not implemented" },
	{ AST_CAUSE_FACILITY_NOT_IMPLEMENTED, "FACILITY_NOT_IMPLEMENTED", "Facility not implemented" },
	{ AST_CAUSE_INVALID_CALL_REFERENCE, "INVALID_CALL_REFERENCE", "Invalid call reference value" },
	{ AST_CAUSE_INCOMPATIBLE_DESTINATION, "INCOMPATIBLE_DESTINATION", "Incompatible destination" },
	{ AST_CAUSE_INVALID_MSG_UNSPECIFIED, "INVALID_MSG_UNSPECIFIED", "Invalid message unspecified" },
	{ AST_CAUSE_MANDATORY_IE_MISSING, "MANDATORY_IE_MISSING", "Mandatory information element is missing" },
	{ AST_CAUSE_MESSAGE_TYPE_NONEXIST, "MESSAGE_TYPE_NONEXIST", "Message type nonexist." },
	{ AST_CAUSE_WRONG_MESSAGE, "WRONG_MESSAGE", "Wrong message" },
	{ AST_CAUSE_IE_NONEXIST, "IE_NONEXIST", "Info. element nonexist or not implemented" },
	{ AST_CAUSE_INVALID_IE_CONTENTS, "INVALID_IE_CONTENTS", "Invalid information element contents" },
	{ AST_CAUSE_WRONG_CALL_STATE, "WRONG_CALL_STATE", "Message not compatible with call state" },
	{ AST_CAUSE_RECOVERY_ON_TIMER_EXPIRE, "RECOVERY_ON_TIMER_EXPIRE", "Recover on timer expiry" },
	{ AST_CAUSE_MANDATORY_IE_LENGTH_ERROR, "MANDATORY_IE_LENGTH_ERROR", "Mandatory IE length error" },
	{ AST_CAUSE_PROTOCOL_ERROR, "PROTOCOL_ERROR", "Protocol error, unspecified" },
	{ AST_CAUSE_INTERWORKING, "INTERWORKING", "Interworking, unspecified" },