Enumeration Members
LOCAL_HANGUP
LOCAL_HANGUP: "LOCAL_HANGUP"
MEDIA_TIMEOUT
MEDIA_TIMEOUT: "MEDIA_TIMEOUT"
REMOTE_HANGUP
REMOTE_HANGUP: "REMOTE_HANGUP"
REMOTE_NO_ANSWER_TIMEOUT
REMOTE_NO_ANSWER_TIMEOUT: "REMOTE_NO_ANSWER_TIMEOUT"
REMOTE_REJECT
REMOTE_REJECT: "REMOTE_REJECT"
Hangup reasons for a call