Causes for disconnection

/* 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_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_NO_ROUTE_DESTINATION #define AST_CAUSE_NOTDEFINED 0