switch_call_cause_t

定义于freeswitch/src/include/switch_types.h

暂时发现主要用于switch_channel_hangup(switch_channel_t *channel,switch_call_case_t)  将通道挂机

typedef enum {

SWITCH_CAUSE_NONE = 0,
SWITCH_CAUSE_UNALLOCATED_NUMBER = 1,
SWITCH_CAUSE_NO_ROUTE_TRANSIT_NET = 2,
SWITCH_CAUSE_NO_ROUTE_DESTINATION = 3,
SWITCH_CAUSE_CHANNEL_UNACCEPTABLE = 6,
SWITCH_CAUSE_CALL_AWARDED_DELIVERED = 7,
SWITCH_CAUSE_NORMAL_CLEARING = 16,
SWITCH_CAUSE_USER_BUSY = 17,
SWITCH_CAUSE_NO_USER_RESPONSE = 18,
SWITCH_CAUSE_NO_ANSWER = 19,
SWITCH_CAUSE_SUBSCRIBER_ABSENT = 20,
SWITCH_CAUSE_CALL_REJECTED = 21,
SWITCH_CAUSE_NUMBER_CHANGED = 22,
SWITCH_CAUSE_REDIRECTION_TO_NEW_DESTINATION = 23,
SWITCH_CAUSE_EXCHANGE_ROUTING_ERROR = 25,
SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER = 27,
SWITCH_CAUSE_INVALID_NUMBER_FORMAT = 28,
SWITCH_CAUSE_FACILITY_REJECTED = 29,
SWITCH_CAUSE_RESPONSE_TO_STATUS_ENQUIRY = 30,
SWITCH_CAUSE_NORMAL_UNSPECIFIED = 31,
SWITCH_CAUSE_NORMAL_CIRCUIT_CONGESTION = 34,
SWITCH_CAUSE_NETWORK_OUT_OF_ORDER = 38,
SWITCH_CAUSE_NORMAL_TEMPORARY_FAILURE = 41,
SWITCH_CAUSE_SWITCH_CONGESTION = 42,
SWITCH_CAUSE_ACCESS_INFO_DISCARDED = 43,
SWITCH_CAUSE_REQUESTED_CHAN_UNAVAIL = 44,
SWITCH_CAUSE_PRE_EMPTED = 45,
SWITCH_CAUSE_FACILITY_NOT_SUBSCRIBED = 50,
SWITCH_CAUSE_OUTGOING_CALL_BARRED = 52,
SWITCH_CAUSE_INCOMING_CALL_BARRED = 54,
SWITCH_CAUSE_BEARERCAPABILITY_NOTAUTH = 57,
SWITCH_CAUSE_BEARERCAPABILITY_NOTAVAIL = 58,
SWITCH_CAUSE_SERVICE_UNAVAILABLE = 63,
SWITCH_CAUSE_BEARERCAPABILITY_NOTIMPL = 65,
SWITCH_CAUSE_CHAN_NOT_IMPLEMENTED = 66,
SWITCH_CAUSE_FACILITY_NOT_IMPLEMENTED = 69,
SWITCH_CAUSE_SERVICE_NOT_IMPLEMENTED = 79,
SWITCH_CAUSE_INVALID_CALL_REFERENCE = 81,
SWITCH_CAUSE_INCOMPATIBLE_DESTINATION = 88,
SWITCH_CAUSE_INVALID_MSG_UNSPECIFIED = 95,
SWITCH_CAUSE_MANDATORY_IE_MISSING = 96,
SWITCH_CAUSE_MESSAGE_TYPE_NONEXIST = 97,
SWITCH_CAUSE_WRONG_MESSAGE = 98,
SWITCH_CAUSE_IE_NONEXIST = 99,
SWITCH_CAUSE_INVALID_IE_CONTENTS = 100,
SWITCH_CAUSE_WRONG_CALL_STATE = 101,
SWITCH_CAUSE_RECOVERY_ON_TIMER_EXPIRE = 102,
SWITCH_CAUSE_MANDATORY_IE_LENGTH_ERROR = 103,
SWITCH_CAUSE_PROTOCOL_ERROR = 111,
SWITCH_CAUSE_INTERWORKING = 127,
SWITCH_CAUSE_SUCCESS = 142,
SWITCH_CAUSE_ORIGINATOR_CANCEL = 487,
SWITCH_CAUSE_CRASH = 500,
SWITCH_CAUSE_SYSTEM_SHUTDOWN = 501,
SWITCH_CAUSE_LOSE_RACE = 502,
SWITCH_CAUSE_MANAGER_REQUEST = 503,
SWITCH_CAUSE_BLIND_TRANSFER = 600,
SWITCH_CAUSE_ATTENDED_TRANSFER = 601,
SWITCH_CAUSE_ALLOTTED_TIMEOUT = 602,
SWITCH_CAUSE_USER_CHALLENGE = 603,
SWITCH_CAUSE_MEDIA_TIMEOUT = 604,
SWITCH_CAUSE_PICKED_OFF = 605,
SWITCH_CAUSE_USER_NOT_REGISTERED = 606,
SWITCH_CAUSE_PROGRESS_TIMEOUT = 607,
SWITCH_CAUSE_INVALID_GATEWAY = 608,
SWITCH_CAUSE_GATEWAY_DOWN = 609,
SWITCH_CAUSE_INVALID_URL = 610,
SWITCH_CAUSE_INVALID_PROFILE = 611,
SWITCH_CAUSE_NO_PICKUP = 612,
SWITCH_CAUSE_SRTP_READ_ERROR = 613
} switch_call_cause_t;