会议外消息

// 登录之后即可启用，不需要在会议中
try await meeting.enableIm()

// 不再需要时
await meeting.disableIm()

try await meeting.login(token: token)
meeting.delegates.add(delegate: self)
try await meeting.enableIm()

func meeting(_ meeting: SMeeting, imCallCalling data: ImCallCallingEventData) {
    // data.base.name 呼叫者
    // data.content.roomNo / data.content.meetingId / data.content.title
    // 展示来电界面，用户接听后调用 enterRoom 进入
}

func meeting(_ meeting: SMeeting, imMeetingRemind data: ImMeetingRemindEventData) {
    // data.content.title / creatorName / planTime / planDur
}

func meeting(_ meeting: SMeeting, imAdminMoveOutWaitingRoom data: ImAdminMoveOutWaitingRoomEventData) {
    // data.content.meetingId 目标会议，可据此进入
}

func meeting(_ meeting: SMeeting, imUserHelpSubMeeting data: ImUserHelpSubMeetingEventData) {
    // data.content.meetingId / title 求助的小组
    // data.content.parent 主会议 ID
}