摘要

UCMA全称Microsoft Unified Communications Managed API，主要用来构建工作在Microsoft Lync Server上的中间层应用程序。开发人员可以使用该平台构建应用程序，以提供对 Microsoft Lync Server增强状态信息、即时消息、电话、视频呼叫和音频/视频会议的访问和控制能力。

在线状态

通过UCMA方式，设置lync客户端的在线状态。设置在线状态为 UCMA Online的SDK方法如下：

  private static AutoResetEvent _PresencePublishComplete = new AutoResetEvent(false);

        private static String _noteXml = "<note xmlns=\"http://schemas.microsoft.com/2006/09/sip/note\" >"

    + "<body type=\"personal\" uri=\"\" >{0}</body></note>";

        private static string _noteValue = "Gone Fishing";

public void SetLyncOnline(UserEndpoint uep)

        {

            try

            {

                _localOwnerPresence = uep.LocalOwnerPresence;

                //tColl.Add(_localOwnerPresence.SubscriberEndpoint.OwnerDisplayName,_localOwnerPresence);

                // The CustomPresenceCategory class enables creation of a

                // category using XML. This allows precise crafting of a

                // category, but it is also possible to create a category

                // in other, more simple ways, shown below.

                CustomPresenceCategory _note = new CustomPresenceCategory("note", String.Format(_noteXml, _noteValue));

                // The PresenceState class has several static properties

                // and methods which will provide standard states such as

                // online, busy, and on-the-phone, for example.

                PresenceState _userState = PresenceState.UserAvailable;

                // It is possible to create and publish state with a

                // custom availablity string, shown below. "In a call" will

                // be shown in Microsoft Lync.

                LocalizedString localizedCallString = new LocalizedString(

                    "UCMA Online" /* The string to be displayed. */);

                // Create a PresenceActivity indicating the

                // "In a call" state.

                PresenceActivity inACall = new PresenceActivity(

                    localizedCallString);

                // Set the Availability of the "In a call" state to Busy.

                inACall.SetAvailabilityRange((int)PresenceAvailability.Online,

                    (int)PresenceAvailability.IdleOnline);

                // Microsoft Lync will also show the Busy presence icon.

                PresenceState _phoneState = new PresenceState(

                        (int)PresenceAvailability.Online,

                        inACall,

                        PhoneCallType.Voip,

                        "phone uri");

                // Machine or Endpoint states must always be published to

                // indicate the endpoint is actually online, otherwise it is

                // assumed the endpoint is offline, and no presence

                // published from that endpoint will be displayed.

                PresenceState _machineState = PresenceState.EndpointOnline;

                // It is also possible to create presence categories such

                // as ContactCard, Note, PresenceState, and Services with

                // their constructors.

                // Here we create a ContactCard and change the title.

                ContactCard _contactCard = new ContactCard();

                LocalizedString localizedTitleString = new LocalizedString(

                    "" /* The title string to be displayed. */);

                _contactCard.JobTitle = localizedTitleString.Value;

                // Publish a photo

                // If the supplied value for photo is null or empty, then set value of IsAllowedToShowPhoto to false

                _contactCard.IsAllowedToShowPhoto = false;

                _contactCard.PhotoUri = null;

                // Publish all presence categories with new values.

                _localOwnerPresence.BeginPublishPresence(

                        new PresenceCategory[]

                        {

                            _userState,

                            _phoneState,

                            _machineState,

                            _note,

                            _contactCard

                        },

                        PublishPresenceCompleted, /* async callback when publishing operation completes. */

                        true /* value TRUE indicates that presence to be published with new values. */);

                // _PresencePublishComplete.WaitOne();

            }

            catch (PublishSubscribeException pse)

            {

                // PublishSubscribeException is thrown when there were

                // exceptions during this presence operation such as badly

                // formed sip request, duplicate publications in the same

                // request etc.

                // TODO (Left to the reader): Include exception handling code

                // here.

                Console.WriteLine(pse.ToString());

            }

            catch (RealTimeException rte)

            {

                // RealTimeException is thrown when SIP Transport, SIP

                // Authentication, and credential-related errors are

                // encountered.

                // TODO (Left to the reader): Include exception handling code

                // here.

                Console.WriteLine(rte.ToString());

            }

        }
  private void PublishPresenceCompleted(IAsyncResult result)

        {

            try

            {

                // Since the same call back function is used to publish

                // presence categories and to delete presence categories,

                // retrieve the flag indicating which operation is desired.

                bool isPublishOperation;

                if (result.AsyncState == null)

                {

                    isPublishOperation = false;

                }

                else

                {

                    bool.TryParse(result.AsyncState.ToString(), out isPublishOperation);

                }

                if (isPublishOperation)

                {

                    // Complete the publishing of presence categories.

                    _localOwnerPresence.EndPublishPresence(result);

                    Console.WriteLine("Presence state has been published.");

                }

                else

                {

                    // Complete the deleting of presence categories.

                    _localOwnerPresence.EndDeletePresence(result);

                    Console.WriteLine("Presence state has been deleted.");

                }

            }

            catch (PublishSubscribeException pse)

            {

                // PublishSubscribeException is thrown when there were

                // exceptions during the publication of this category such as

                // badly formed sip request, duplicate publications in the same

                // request etc

                // TODO (Left to the reader): Include exception handling code

                // here

                Console.WriteLine(pse.ToString());

            }

            catch (RealTimeException rte)

            {

                // RealTimeException is thrown when SIP Transport, SIP

                // Authentication, and credential-related errors are

                // encountered.

                // TODO (Left to the reader): Include exception handling code

                // here.

                Console.WriteLine(rte.ToString());

            }

        }

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