UCMA 4.0 确定 Lync 聊天超时或客户是否关闭了 Lync 窗口答案

【问题标题】：UCMA 4.0 Determine if Lync chat timedout or customer closed Lync windowUCMA 4.0 确定 Lync 聊天超时或客户是否关闭了 Lync 窗口
【发布时间】：2015-02-21 21:11:06
【问题描述】：

我无法确定使用 Lync 客户端的客户是否由于超时或该人关闭了窗口而离开了对话。我正在使用以下事件处理程序进行检查。浏览了变量中的数据后，我仍然有疑问：

UCMA 中有没有办法检查客户是否超时？

void ImCall_StateChanged(object sender, CallStateChangedEventArgs e)
{
    if (e.State == CallState.Terminating || e.State == CallState.Terminated)
    {
       //Program Logic .....
    }
}

【问题讨论】：

标签： c# lync-2013 ucma

【解决方案1】：

Ankit 的回答告诉您如何确定用户何时离开，但不告诉您原因。有一种方法可以使用 SIP 消息中的 Ms-client-Diagnostics 标头来确定用户是关闭了窗口还是发生了其他事情。

    // Called when the instant messaging session changes state
    void instantMessagingCall_StateChanged(object sender, CallStateChangedEventArgs e)
    {
        string diagnostics = "";
        foreach (SignalingHeader header in e.MessageData.SignalingHeaders)
        {
           // Capture all flavors of diagnostic headers
                        if (header.Name.Equals("ms-diagnostics", StringComparison.InvariantCultureIgnoreCase))
                        {
                            diagnostics = diagnostics + header.GetValue() + ";";
                        }

                        if (header.Name.Equals("ms-diagnostics-public", StringComparison.InvariantCultureIgnoreCase)) // These are the public diagnostics in case you go over edge 
                        {
                            diagnostics = diagnostics + header.GetValue() + ";";
                        }

                        if (header.Name.Equals("Ms-client-diagnostics", StringComparison.InvariantCultureIgnoreCase)) // These are the client diagnostics
                        {
                            diagnostics = diagnostics + header.GetValue() + ";";
                            break;
                        }
        }

        if (diagnostics.Contains("51004") || diagnostics.Contains("Action initiated by user"))
        { 
               // handle the case where the Action is initiated by the user, which is when the user closes the chat using the cross button
        }
        if (diagnostics.Contains("52094") || diagnostics.Contains("Instant Messaging conversation terminated on user inactivity")) 
        {
               // the user left the window inactive for more than 10 minutes
        }
        if (diagnostics.Contains("52107") || diagnostics.Contains("Call terminated on signout") ) 
        {
                // the user signed out of Lync/Skype while the conversation is still active
        }
        if (diagnostics.Contains("52082") || diagnostics.Contains("Session is detached from conversation"))
        {
                // when the user clicks on "Deny" after receving the invite
        }

您可以在此处查看诊断标头值的完整列表：https://lyncforbusiness.wordpress.com/2015/10/15/lync-diagnostic-codes/ 和这里： https://msdn.microsoft.com/en-us/library/gg132446(v=office.12).aspx

【讨论】：

【解决方案2】：

尝试如下所示的 ParticipantEndpointAttendanceChanged 事件：

this.conversation.ConferenceSession.InstantMessagingMcuSession
.ParticipantEndpointAttendanceChanged +=
             this.McuSessionParticipantEndpointAttendanceChanged;


private void InstantMessagingMcuSessionParticipantEndpointAttendanceChanged(
        object sender,
        ParticipantEndpointAttendanceChangedEventArgs<InstantMessagingMcuParticipantEndpointProperties> e)
    {
        foreach (var joiningParticipant in e.Joined)
        {
            // check if the customer has joined
        }

        foreach (var departingParticipant in e.Left)
        {
             // Verify if the customer has left
        }
    }

【讨论】：