REASON_ANSWER_FAIL
REASON_ANSWER_FAIL: 7
REASON_BUSY
REASON_BUSY: 8
REASON_CALL_FUNCTION_ERROR
REASON_CALL_FUNCTION_ERROR: 2
REASON_DECLINE
REASON_DECLINE: 9
REASON_NETWORK
REASON_NETWORK: 4
REASON_NONE
REASON_NONE: 0
REASON_NOT_FOUND
REASON_NOT_FOUND: 11
REASON_NOT_LOGIN
REASON_NOT_LOGIN: 1
REASON_OTHER
REASON_OTHER: 100
REASON_OVER_LIMIT
REASON_OVER_LIMIT: 5
REASON_REJECT_VIDEO_WHEN_HAS_CALL
REASON_REJECT_VIDEO_WHEN_HAS_CALL: 12
REASON_REJECT_WHEN_HAS_VIDEO_CALL
REASON_REJECT_WHEN_HAS_VIDEO_CALL: 13
REASON_SERVER_BUSY_HERE
REASON_SERVER_BUSY_HERE: 15
REASON_SERVER_REQUEST_TERMINATED
REASON_SERVER_REQUEST_TERMINATED: 16
REASON_SESSION_TIMEOUT
REASON_SESSION_TIMEOUT: 14
REASON_TERM_BY_SELF
REASON_TERM_BY_SELF: 6
REASON_TIMEOUT
REASON_TIMEOUT: 3
REASON_USER_OFFLINE
REASON_USER_OFFLINE: 10
通话结束原因