用户开始对讲错误码

typedef NS_ENUM(NSInteger, ARTalkPushToTalkErrorCode) {
    /**
    0: 方法调用成功，或者更新操作成功
    */
    ARTalkPushToTalkErrorOK = 0,

    /**
    1: 用户对讲失败
    */
    ARTalkPushToTalkErrorFailure = 1,

    /**
    2: 参数错误
    */
    ARTalkPushToTalkErrorArgument = 2,

    /**
    3: **拒绝**
    */
    ARTalkPushToTalkErrorRejected= 3,

    /**
    4: 方法调用频率超过了每秒两次查询的限制
    */
    ARTalkPushToTalkErrorTooOften = 4,

    /**
    5: 对讲已存在
    */
    ARTalkPushToTalkErrorExisted = 5,

    /**
    6: 高级用户正在通话
    */
    ARTalkPushToTalkErrorRejectByPermission = 6,

    /**
    101: 对象未初始化
    */
    ARTalkPushToTalkErrorNotInitialized = 101,

    /**
    102: 未登录
    */
    ARTalkPushToTalkErrorUserNotLoginIn = 102,
    
    /**
    102: 未加入
    */
    ARTalkPushToTalkErrorChannelNotJoined = 103
};