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Receive an IM

  • Artículo

Applies to: Skype for Business 2015

The task presented here describes the steps that are necessary for one user (ToshM@contoso.com) to receive an instant message from another user (LeneA@contoso.com).

The steps shown here assume that you have already created an application and have received a response that contains the HREF for an application resource. For more information, see Create an application.

  1. Send a POST request on the makeMeAvailable resource.

A POST request on the makeMeAvailable resource makes it possible for the user of the application to receive incoming messages. In the following sample, the request body contains information about the supported modality, messaging.

A successful response (not shown) is '204 No Content'.

POST https://lyncweb.contoso.com/ucwa/oauth/v1/applications/104/me/makeMeAvailable HTTP/1.1
Accept: application/json
Content-Type: application/json
Authorization: Bearer cwt=AAEB...buHc
X-Ms-Origin: http://localhost
X-Requested-With: XMLHttpRequest
Referer: https://lyncweb.contoso.com/Autodiscover/XFrame/XFrame.html
Accept-Language: en-US
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)
Host: lyncweb.contoso.com
Content-Length: 37
DNT: 1
Connection: Keep-Alive
Cache-Control: no-cache

{"SupportedModalities": ["Messaging"]}
  1. Send a GET request on the application resource.
GET https://lyncweb.contoso.com/ucwa/oauth/v1/applications/104 HTTP/1.1
Authorization: Bearer cwt=AAEB...buHc
Accept: application/json
X-Ms-Origin: http://localhost
X-Requested-With: XMLHttpRequest
Referer: https://lyncweb.contoso.com/Autodiscover/XFrame/XFrame.html
Accept-Language: en-US
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)
Host: lyncweb.contoso.com
DNT: 1
Connection: Keep-Alive
  1. Process the response from the previous GET request.

The response from a GET request on the application resource contains useful links, as well as important embedded resources: me, people, onlineMeetings, and communication.

HTTP/1.1 200 OK
Connection: Keep-Alive
Content-Length: 3857
Date: Thu, 07 Nov 2013 00:40:38 GMT
Content-Type: application/json; charset=utf-8
Server: Microsoft-IIS/7.5
Cache-Control: no-cache
P3P: CP="IDC CUR ADMa OUR BUS"
X-AspNet-Version: 4.0.30319
Set-Cookie: cwt_ucwa=AAEB...dG9z; path=/ucwa/oauth/v1/applications/104/photos; secure; HttpOnly
X-MS-Server-Fqdn: W15-LYNC-SE1.contoso.com
X-Powered-By: ASP.NET

{
 "culture":"en-US",
 "userAgent":"UCWA Samples",
 "_links":{
 "self":{"href":"/ucwa/oauth/v1/applications/104"},
 "policies":{"href":"/ucwa/oauth/v1/applications/104/policies"},
 "batch":{"href":"/ucwa/oauth/v1/applications/104/batch"},
 "events":{"href":"/ucwa/oauth/v1/applications/104/events?ack=1"}
 },
 "_embedded":{
 "me":{
 "name":"Tosh Meston",
 "uri":"sip:toshm@contoso.com",
 "emailAddresses": ["toshm@contoso.com"],
 "_links":{
"self":{"href":"/ucwa/oauth/v1/applications/104/me"},
 "note":{"href":"/ucwa/oauth/v1/applications/104/me/note"},
 "presence":{"href":"/ucwa/oauth/v1/applications/104/me/presence"},
 "location":{"href":"/ucwa/oauth/v1/applications/104/me/location"},
 "reportMyActivity":{"href":"/ucwa/oauth/v1/applications/104/me/reportMyActivity"},
 "callForwardingSettings":{"href":"/ucwa/oauth/v1/applications/104/me/callForwardingSettings"},
 "phones":{"href":"/ucwa/oauth/v1/applications/104/me/phones"},
 "photo":{"href":"/ucwa/oauth/v1/applications/104/photos/toshm@contoso.com"}
 },
 "rel":"me"
 },
 "people":{
 "_links":{
 "self":{"href":"/ucwa/oauth/v1/applications/104/people"},
 "presenceSubscriptions":{"href":"/ucwa/oauth/v1/applications/104/people/presenceSubscriptions"},
 "subscribedContacts":{"href":"/ucwa/oauth/v1/applications/104/people/subscribedContacts"},
 "presenceSubscriptionMemberships":{"href":"/ucwa/oauth/v1/applications/104/people/presenceSubscriptionMemberships"},
 "myGroups":{"href":"/ucwa/oauth/v1/applications/104/people/groups"},
 "myGroupMemberships":{"href":"/ucwa/oauth/v1/applications/104/people/groupMemberships"},
 "myContacts":{"href":"/ucwa/oauth/v1/applications/104/people/contacts"},
 "myPrivacyRelationships":{"href":"/ucwa/oauth/v1/applications/104/people/privacyRelationships"},
 "myContactsAndGroupsSubscription":{"href":"/ucwa/oauth/v1/applications/104/people/contactsAndGroupsSubscription"},
 "search":{"href":"/ucwa/oauth/v1/applications/104/people/search"}
 },
 "rel":"people"
 },
 "onlineMeetings":{
 "_links":{
 "self":{"href":"/ucwa/oauth/v1/applications/104/onlineMeetings"},
 "myOnlineMeetings":{"href":"/ucwa/oauth/v1/applications/104/onlineMeetings/myOnlineMeetings"},
 "onlineMeetingDefaultValues": "href":"/ucwa/oauth/v1/applications/104/onlineMeetings/defaultValues"},
 "onlineMeetingEligibleValues": "href":"/ucwa/oauth/v1/applications/104/onlineMeetings/eligibleValues"}, "onlineMeetingInvitationCustomization":{"href":"/ucwa/oauth/v1/applications/104/onlineMeetings/customInvitation"},
 "onlineMeetingPolicies":{"href":"/ucwa/oauth/v1/applications/104/onlineMeetings/policies"},
 "phoneDialInInformation":{"href":"/ucwa/oauth/v1/applications/104/onlineMeetings/phoneDialInInformation"},
 "myAssignedOnlineMeeting":{"href":"/ucwa/oauth/v1/applications/104/onlineMeetings/myOnlineMeetings/W38NP8NT"}
 },
 "rel":"onlineMeetings"
 },
 "communication":{
 "c558dd5a-d323-484a-8b82-9c71687f04ef":"please pass this in a PUT request",
 "supportedModalities": ["Messaging"],
 "supportedMessageFormats": ["Plain"],
 "_links":{
 "self":{"href":"/ucwa/oauth/v1/applications/104/communication"},
 "startPhoneAudio":{"href":"/ucwa/oauth/v1/applications/104/communication/phoneAudioInvitations"},
 "conversations":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations?filter=active"},
 "startMessaging":{"href":"/ucwa/oauth/v1/applications/104/communication/messagingInvitations"},
 "startOnlineMeeting":{"href":"/ucwa/oauth/v1/applications/104/communication/onlineMeetingInvitations?onlineMeetingUri=adhoc"},
 "joinOnlineMeeting":{"href":"/ucwa/oauth/v1/applications/104/communication/onlineMeetingInvitations"}
 },
 "rel":"communication",
 "etag":"1925102412"
 }
 },
 "rel":"application"  
}
  1. Send a GET request on the contacts resource.

The sample request shown here is abbreviated with some headers not shown.

GET /ucwa/oauth/v1/applications/104/people/contacts HTTP/1.1 
Host: lyncweb.contoso.com
Accept: application/json
  1. Process the response from the previous GET request.

The sample response shown here is abbreviated, and shows only the response body.

The sample shows contact information for two of the local participant's contacts.

 {
 "_links":{
 "self":{"href":"/ucwa/oauth/v1/applications/104/people/contacts"}
 },
 "_embedded":{
 "contact": [{
 "uri":"sip:adrianag@contoso.com",
 "sourceNetwork":"SameEnterprise",
 "emailAddresses": ["adrianag@contoso.com"],
 "type":"User",
 "name":"Adriana Giorgi",
 "_links":{
 "self":{"href":"/ucwa/oauth/v1/applications/104/people/adrianag@contoso.com"},
 "contactPhoto":{"href":"/ucwa/oauth/v1/applications/104/photos/adrianag@contoso.com"},
 "contactPresence":{"href":"/ucwa/oauth/v1/applications/104/people/adrianag@contoso.com/presence"},
 "contactLocation":{"href":"/ucwa/oauth/v1/applications/104/people/adrianag@contoso.com/location"},
 "contactNote":{"href":"/ucwa/oauth/v1/applications/104/people/adrianag@contoso.com/note"},
 "contactSupportedModalities":{"href":"/ucwa/oauth/v1/applications/104/people/adrianag@contoso.com/supportedMedia"},
 "contactPrivacyRelationship":{"href":"/ucwa/oauth/v1/applications/104/people/adrianag@contoso.com/privacyRelationship"}
 },
 "rel":"contact",
 "etag":"2765800399"
 }, 
 {
 "uri":"sip:lenea@contoso.com",
 "sourceNetwork":"SameEnterprise",
 "emailAddresses": ["lenea@contoso.com"],
 "type":"User",
 "name":"Lene Aaling",
 "_links":{
 "self":{"href":"/ucwa/oauth/v1/applications/104/people/lenea@contoso.com"},
 "contactPhoto":{"href":"/ucwa/oauth/v1/applications/104/photos/lenea@contoso.com"},
 "contactPresence":{"href":"/ucwa/oauth/v1/applications/104/people/lenea@contoso.com/presence"},
 "contactLocation":{"href":"/ucwa/oauth/v1/applications/104/people/lenea@contoso.com/location"},
 "contactNote":{"href":"/ucwa/oauth/v1/applications/104/people/lenea@contoso.com/note"},
 "contactSupportedModalities":{"href":"/ucwa/oauth/v1/applications/104/people/lenea@contoso.com/supportedMedia"},
 "contactPrivacyRelationship":{"href":"/ucwa/oauth/v1/applications/104/people/lenea@contoso.com/privacyRelationship"}
 },
 "rel":"contact",
 "etag":"2880454307"
 }
 ]},
 "rel":"myContacts" 
}
  1. Send a GET request on the events resource.

In the interest of brevity, only this GET request on the events resource is shown. Subsequent GET requests on the events resource are similar and differ only in the query parameter (ack = n). An application normally will send a series of GET requests on this resource.

 GET https://lyncweb.contoso.com/ucwa/oauth/v1/applications/104/events?ack=1 HTTP/1.1
Authorization: Bearer cwt=AAEB...buHc
Accept: application/json
X-Ms-Origin: http://localhost
X-Requested-With: XMLHttpRequest
Referer: https://lyncweb.contoso.com/Autodiscover/XFrame/XFrame.html
Accept-Language: en-US
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)
Host: lyncweb.contoso.com
DNT: 1
Connection: Keep-Alive </pre>
  1. Process the response from the previous GET request.

The events shown here come from two senders: the me resource and the communication resource. For a given sender there are links to a number of events, along with the type of event, such as "updated" or "added".

HTTP/1.1 200 OK
Connection: Keep-Alive
Content-Length: 1727
Date: Thu, 07 Nov 2013 00:40:58 GMT
Content-Type: application/json; charset=utf-8
Server: Microsoft-IIS/7.5
Cache-Control: no-cache
X-AspNet-Version: 4.0.30319
X-MS-Server-Fqdn: W15-LYNC-SE1.contoso.com
X-Powered-By: ASP.NET

{
 "_links":{
 "self":{"href":"/ucwa/oauth/v1/applications/104/events?ack=1"},
 "next":{"href":"/ucwa/oauth/v1/applications/104/events?ack=2"}
 },
 "sender": [{
 "rel":"me",
 "href":"/ucwa/oauth/v1/applications/104/me",
 "events": [{
 "link":{
 "rel":"me",
 "href":"/ucwa/oauth/v1/applications/104/me"
 },
 "type":"updated"
 },{
 "link":{
 "rel":"presence",
 "href":"/ucwa/oauth/v1/applications/104/me/presence"
 },
 "type":"added"
 },{
 "link":{
 "rel":"note",
 "href":"/ucwa/oauth/v1/applications/104/me/note"
 },
 "type":"added"
 },{
 "link":{
 "rel":"location",
 "href":"/ucwa/oauth/v1/applications/104/me/location"
 },
 "type":"added"
 }]
 },{
 "rel":"communication",
 "href":"/ucwa/oauth/v1/applications/104/communication",
 "events": [{
 "link":{
 "rel":"communication",
 "href":"/ucwa/oauth/v1/applications/104/communication"
 },
 "_embedded":{
 "communication":{
 "c558dd5a-d323-484a-8b82-9c71687f04ef":"please pass this in a PUT request",
 "supportedModalities": ["Messaging"],
 "supportedMessageFormats": ["Plain"],
 "_links":{
 "self": {"href":"/ucwa/oauth/v1/applications/104/communication"},
 "startPhoneAudio": {"href":"/ucwa/oauth/v1/applications/104/communication/phoneAudioInvitations"},
 "conversations": {"href":"/ucwa/oauth/v1/applications/104/communication/conversations?filter=active"},
 "startMessaging": {"href":"/ucwa/oauth/v1/applications/104/communication/messagingInvitations"},
 "startOnlineMeeting": {"href":"/ucwa/oauth/v1/applications/104/communication/onlineMeetingInvitations ? onlineMeetingUri=adhoc"},
 "joinOnlineMeeting": {"href":"/ucwa/oauth/v1/applications/104/communication/onlineMeetingInvitations"}
 },
 "rel":"communication",
 "etag":"1925102412"
 }
 },
 "type":"updated"
 }]
 }] 
}
  1. Process the response from the next GET request on the events resource.

In this sample we see that the sender is the communication resource. The event channel contains several embedded resources, including a messagingInvitation resource that has been started. This and other embedded resources indicate that an incoming message from Lene Aaling will arrive soon. The invitation contains links to the accept and decline resources, one of which can be used to accept or decline the incoming message. Notice that the message link contains the actual text of the message.

HTTP/1.1 200 OK
Connection: Keep-Alive
Content-Length: 4187
Date: Thu, 07 Nov 2013 00:41:07 GMT
Content-Type: application/json; charset=utf-8
Server: Microsoft-IIS/7.5
Cache-Control: no-cache
X-AspNet-Version: 4.0.30319
X-MS-Server-Fqdn: W15-LYNC-SE1.contoso.com
X-Powered-By: ASP.NET

{
 "_links":{
 "self":{"href":"/ucwa/oauth/v1/applications/104/events?ack=2"},
 "next":{"href":"/ucwa/oauth/v1/applications/104/events?ack=3"}
 },
 "sender": [{
 "rel":"communication",
 "href":"/ucwa/oauth/v1/applications/104/communication",
 "events": [{
 "link":{
 "rel":"messagingInvitation",
 "href":"/ucwa/oauth/v1/applications/104/communication/messagingInvitations/6408"
 },
 "_embedded":{
 "messagingInvitation":{
 "direction":"Incoming",
 "importance":"Normal",
 "threadId":"Ac7bUftwUcVMzgTzRl+OQchCsUn35Q==",
 "state":"Connecting",
 "subject":"",
 "_links":{
 "self":{"href":"/ucwa/oauth/v1/applications/104/communication/messagingInvitations/6408"},
 "to":{"href":"/ucwa/oauth/v1/applications/104/people/toshm@contoso.com"},
 "conversation":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0"},
 "accept":{"href":"/ucwa/oauth/v1/applications/104/communication/messagingInvitations/6408/accept"},
 "decline":{"href":"/ucwa/oauth/v1/applications/104/communication/messagingInvitations/6408/decline"},
 "messaging":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/messaging"},
 "message":{"href":"data:text/plain;charset=utf-8,Hi+Tosh%0d%0a"}
 },
 "_embedded":{
 "from":{
 "sourceNetwork":"SameEnterprise",
 "anonymous":false,
 "name":"Lene Aaling",
 "uri":"sip:lenea@contoso.com",
 "_links":{
 "self":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/participants/lenea@contoso.com"},
 "conversation":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0"},
 "contact":{"href":"/ucwa/oauth/v1/applications/104/people/lenea@contoso.com"},
 "contactPresence":{"href":"/ucwa/oauth/v1/applications/104/people/lenea@contoso.com/presence"}
 },
 "rel":"participant"
 }
 },
 "rel":"messagingInvitation"
 }
 },
 "type":"started"
 },
 {
 "link":{
 "rel":"conversation",
 "href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0"
 },
 "_embedded":{
 "conversation":{
 "state":"Incoming",
 "threadId":"Ac7bUftwUcVMzgTzRl+OQchCsUn35Q==",
 "subject":"",
 "activeModalities": ["Messaging"],
 "importance":"Normal",
 "recording":false,
 "_links":{
 "self":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0"},
 "applicationSharing":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/applicationSharing"},
 "audioVideo":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/audioVideo"},
 "dataCollaboration":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/dataCollaboration"},
 "messaging":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/messaging"},
 "phoneAudio":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/phoneAudio"}
 },
 "rel":"conversation"
 }
 }, 
 type":"added"
 }]
 },
 {
 "rel":"conversation",
 "href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0",
 "events": [{
 "link":{
 "rel":"localParticipant",
 "href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/participants/toshm@contoso.com",
 "title":"Tosh Meston"
 },
 "_embedded":{
 "localParticipant":{
 "sourceNetwork":"SameEnterprise",
 "anonymous":false,
 "name":"Tosh Meston",
 "uri":"sip:toshm@contoso.com",
 "_links":{
 "self":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/participants/toshm@contoso.com"},
 "conversation":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0"},
 "me":{"href":"/ucwa/oauth/v1/applications/104/me"}
 },
 "rel":"participant"
 }
 },
 "type":"added"
 }]
 }] 
}
  1. Process the response from the next GET request on the events resource.

in this sample, the conversation resource is the event sender, indicating that a remote participant (Lene Aaling) has been added to the conversation.

HTTP/1.1 200 OK 
Connection: Keep-Alive
Content-Length: 527
Date: Thu, 07 Nov 2013 00:41:08 GMT
Content-Type: application/json; charset=utf-8
Server: Microsoft-IIS/7.5
Cache-Control: no-cache
X-AspNet-Version: 4.0.30319
X-MS-Server-Fqdn: W15-LYNC-SE1.contoso.com
X-Powered-By: ASP.NET

{
 "_links":{
 "self":{"href":"/ucwa/oauth/v1/applications/104/events?ack=3"},
 "next":{"href":"/ucwa/oauth/v1/applications/104/events?ack=4"}
 },
 "sender": [{
 "rel":"conversation",
 "href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0",
 "events": [{
 "link":{
 "rel":"participant",
 "href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/participants/lenea@metio.ms",
 "title":"Lene Aaling"
 },
 "type":"added"
 }]
 }]
}
  1. Process the response from the next GET request on the events resource.

The event channel contains an embedded messagingInvitation resource, similar to step 8, but the event type has changed from "started" to "updated" with links to the accept and decline resources no longer being present.

Notice that the href in the message link contains the text of the message as a Data URL.

Content-Length: 1895
Date: Thu, 07 Nov 2013 00:41:09 GMT
Content-Type: application/json; charset=utf-8
Server: Microsoft-IIS/7.5
Cache-Control: no-cache
X-AspNet-Version: 4.0.30319
X-MS-Server-Fqdn: W15-LYNC-SE1.contoso.com
X-Powered-By: ASP.NET

{
 "_links":{
 "self":{"href":"/ucwa/oauth/v1/applications/104/events?ack=4"},
 "next":{"href":"/ucwa/oauth/v1/applications/104/events?ack=5"}
 },
 "sender": [{
 "rel":"communication",
 "href":"/ucwa/oauth/v1/applications/104/communication",
 "events": [{
 "link":{
 "rel":"messagingInvitation",
  "href":"/ucwa/oauth/v1/applications/104/communication/messagingInvitations/6408"
 },
 "_embedded":{
 "messagingInvitation":{
 "direction":"Incoming",
 "importance":"Normal",
 "threadId":"Ac7bUftwUcVMzgTzRl+OQchCsUn35Q==",
 "state":"Connecting",
 "subject":"",
 "_links":{
 "self":{"href":"/ucwa/oauth/v1/applications/104/communication/messagingInvitations/6408"},
 "to":{"href":"/ucwa/oauth/v1/applications/104/people/toshm@contoso.com"},
 "conversation":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0"},
 "messaging":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/messaging"},
 "message":{"href":"data:text/plain;charset=utf-8,Hi+Tosh%0d%0a"}
 },
 "_embedded":{
 "from":{
 "sourceNetwork":"SameEnterprise",
 "anonymous":false,
 "name":"Lene Aaling",
 "uri":"sip:lenea@contoso.com",
 "_links":{
 "self":{
 "href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/participants/lenea@contoso.com"},
 "conversation":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0"},
 "contact":{"href":"/ucwa/oauth/v1/applications/104/people/lenea@contoso.com"},
 "contactPresence":{"href":"/ucwa/oauth/v1/applications/104/people/lenea@contoso.com/presence"},
 "contactPhoto":{"href":"/ucwa/oauth/v1/applications/104/photos/lenea@contoso.com"}
 },
 "rel":"participant"
 }
 },
 "rel":"messagingInvitation"
 }
 },
 "type":"updated"
 }] 
 }]  
}
  1. Send a GET request on the participant resource, the resource for Lene Aaling.

The purpose of this step is to obtain information about the sender of the message.

GET https://lyncweb.metio.ms/ucwa/oauth/v1/applications/104/communication/conversations/eee0/participants/lenea@metio.ms HTTP/1.1
Authorization: Bearer cwt=AAEB...buHc
Accept: application/json
X-Ms-Origin: http://localhost
X-Requested-With: XMLHttpRequest
Referer: https://lyncweb.contoso.com/Autodiscover/XFrame/XFrame.html
Accept-Language: en-US
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)
Host: lyncweb.contoso.com
DNT: 1
Connection: Keep-Alive
  1. Process the response from the previous GET request.

A successful response is '200 OK'. The body of the response contains information about the remote participant, Lene Aaling.

HTTP/1.1 200 OK
Connection: Keep-Alive
HTTP/1.1 200 OK
Connection: Keep-Alive
Content-Length: 689
Date: Thu, 07 Nov 2013 00:41:08 GMT
Content-Type: application/json; charset=utf-8
Server: Microsoft-IIS/7.5
Cache-Control: no-cache
X-AspNet-Version: 4.0.30319
X-MS-Server-Fqdn: W15-LYNC-SE1.contoso.com
X-Powered-By: ASP.NET

{
 "sourceNetwork":"SameEnterprise",
 "anonymous":false,
 "name":"Lene Aaling",
 "uri":"sip:lenea@contoso.com",
 "_links":{
 "self":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/participants/lenea@contoso.com"},
 "conversation":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0"},
 "contact":{"href":"/ucwa/oauth/v1/applications/104/people/lenea@contoso.com"},
 "contactPresence":{"href":"/ucwa/oauth/v1/applications/104/people/lenea@contoso.com/presence"},
 "contactPhoto":{"href":"/ucwa/oauth/v1/applications/104/photos/lenea@contoso.com"}
 },
 "rel":"participant"  
}
  1. Send a POST request on the accept resource.

The accept resource, which can be found in the cache, was shown in step 8.

POST https://lyncweb.contoso.com/ucwa/oauth/v1/applications/104256996066/communication/messagingInvitations/64088d10047844518b75b392c5b04e39/accept?sessionContext=2687ba8f-048e-4ffa-83b3-0849c6b9004c HTTP/1.1
Authorization: Bearer cwt=AAEB...buHc
Accept: application/json
X-Ms-Origin: http://localhost
X-Requested-With: XMLHttpRequest
Referer: https://lyncweb.contoso.com/Autodiscover/XFrame/XFrame.html
Accept-Language: en-US
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)
Host: lyncweb.contoso.com
Content-Length: 0
DNT: 1
Connection: Keep-Alive
Cache-Control: no-cache
  1. Process the response from the previous POST request.

The response should be '204 No Content'.

HTTP/1.1 204 No Content
Connection: Keep-Alive
Content-Length: 0
Date: Thu, 07 Nov 2013 00:41:09 GMT
Server: Microsoft-IIS/7.5
Cache-Control: no-cache
X-AspNet-Version: 4.0.30319
X-MS-Server-Fqdn: W15-LYNC-SE1.contoso.com
X-Powered-By: ASP.NET
  1. Process the response from the next GET request on the events resource.

Note that for brevity, some events have been omitted.

HTTP/1.1 200 OK
Connection: Keep-Alive
Content-Length: 8816
Date: Thu, 07 Nov 2013 00:41:09 GMT
Content-Type: application/json; charset=utf-8
Server: Microsoft-IIS/7.5
Cache-Control: no-cache
X-AspNet-Version: 4.0.30319
X-MS-Server-Fqdn: W15-LYNC-SE1.contoso.com
X-Powered-By: ASP.NET

{
 "_links":{
 "self":{"href":"/ucwa/oauth/v1/applications/104/events?ack=5"},
 "next":{"href":"/ucwa/oauth/v1/applications/104/events?ack=6"}
 },
 "sender": [{
 "rel":"conversation",
 "href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0",
 "events": [{
 "link":{
 "rel":"messaging",
 "href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/messaging"
 },
 "_embedded":{
 "messaging":{
 "state":"Connected",
 "negotiatedMessageFormats": ["Plain"],
 "_links":{
 "self":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/messaging"},
 "conversation":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0"},
 "stopMessaging":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/messaging/terminate"},
 "sendMessage":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/messaging/messages"},
 "setIsTyping":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/messaging/typing"},
 "typingParticipants":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/messaging/typingParticipants"}
 },
 "rel":"messaging"
 }
 },
 "type":"updated"
 }]
 },{
 "rel":"communication",
 "href":"/ucwa/oauth/v1/applications/104/communication",
 "events": [{ 
 "link":{
 "rel":"conversation",
 "href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0"},
 "_embedded":{
 "conversation":{
 "state":"Connected",
 "threadId":"Ac7bUftwUcVMzgTzRl+OQchCsUn35Q==",
 "subject":"",
 "activeModalities": ["Messaging"],
 "importance":"Normal",
 "recording":false,
 "_links":{
 "self":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0"},
 "applicationSharing":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/applicationSharing"},
 "audioVideo":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/audioVideo"},
 "dataCollaboration":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/dataCollaboration"},
 "messaging":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/messaging"},
 "phoneAudio":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/phoneAudio"},
 "localParticipant":{
 "href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/participants/toshm@contoso.com",
 "title":"Tosh Meston"
 },
 "addParticipant":{"href":"/ucwa/oauth/v1/applications/104/communication/participantInvitations?conversation=eee0"}
 },
 "rel":"conversation"
 }
 },
 "type":"updated"
 }]
 },{
 "rel":"conversation",
 "href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0",
 "events": [{
 "link":{
 "rel":"participantMessaging",
 "href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/participants/toshm@contoso.com/messaging"},
 "in":{
 "rel":"localParticipant",
 "href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/participants/toshm@contoso.com",
 "title":"Tosh Meston"
 },
 "_embedded":{
 "participantMessaging":{
 "_links":{
 "self"{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/participants/toshm@contoso.com/messaging"},
 "participant":{
 "href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/participants/toshm@contoso.com",
 "title":"Tosh Meston"
 }
 },
 "rel":"participantMessaging"
 }
 },
 "type":"added"
 },{
 "link":{
 "rel":"participantMessaging",
 "href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/participants/lenea@contoso.com/messaging"
 },
 "in":{
 "rel":"participant",
 "href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/participants/lenea@contoso.com",
 "title":"Lene Aaling"
 },
 "type":"added"
 },{
 "link":{
 "rel":"participant",
 "href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/participants/lenea@contoso.com",
 "title":"Lene Aaling"
 },
 "type":"updated"
 }]
 },{
 "rel":"communication",
 "href":"/ucwa/oauth/v1/applications/104/communication",
 "events": [{
 "link":{
 "rel":"messagingInvitation",
 "href":"/ucwa/oauth/v1/applications/104/communication/messagingInvitations/6408"},
 "status":"Success",
 "_embedded":{
 "messagingInvitation":{
 "direction":"Incoming",
 "importance":"Normal",
 "threadId":"Ac7bUftwUcVMzgTzRl+OQchCsUn35Q==",
 "state":"Connected",
 "subject":"",
 "_links":{
 "self":{"href":"/ucwa/oauth/v1/applications/104/communication/messagingInvitations/64088"},
 "to":{"href":"/ucwa/oauth/v1/applications/104/people/toshm@contoso.com"},
 "conversation":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0"},
 "messaging":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/messaging"},
 "message":{"href":"data:text/plain;charset=utf-8,Hi+Tosh%0d%0a"}
 },
 "_embedded":{
 "from":{
 "sourceNetwork":"SameEnterprise",
 "anonymous":false,
 "name":"Lene Aaling",
 "uri":"sip:lenea@contoso.com",
 "_links":{
 "self":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/participants/lenea@contoso.com"},
 "conversation":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0"},
 "contact":{"href":"/ucwa/oauth/v1/applications/104/people/lenea@contoso.com"},
 "contactPresence":{"href":"/ucwa/oauth/v1/applications/104/people/lenea@contoso.com/presence"},
 "contactPhoto":{"href":"/ucwa/oauth/v1/applications/104/photos/lenea@contoso.com"}
 },
 "rel":"participant"
 }
 },
 "rel":"messagingInvitation"
 }
 },
 "type":"completed"
 }]
 }]
}
  1. Process the response from the next GET request on the events resource.

The status of the message is "Success" and the event type is "completed".

HTTP/1.1 200 OK
Connection: Keep-Alive
Content-Length: 2927
Date: Thu, 07 Nov 2013 00:41:11 GMT
Content-Type: application/json; charset=utf-8
Server: Microsoft-IIS/7.5
Cache-Control: no-cache
X-AspNet-Version: 4.0.30319
X-MS-Server-Fqdn: W15-LYNC-SE1.contoso.com
X-Powered-By: ASP.NET

{
"_links":{
"self":{"href":"/ucwa/oauth/v1/applications/104/events?ack=6"},
"next":{"href":"/ucwa/oauth/v1/applications/104/events?ack=7"}
},
"sender": [{
"rel":"conversation",
"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0",
"events": [{
"link":{
"rel":"message",
"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/messaging/messages/2"
},
"status":"Success",
"_embedded":{
"message":{
"direction":"Incoming",
"timeStamp":"\/Date(1383784870271)\/",
"_links":{
"self":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/messaging/messages/2"},
"contact":{"href":"/ucwa/oauth/v1/applications/104/people/lenea@contoso.com"},
"participant":{
"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/participants/lenea@contoso.com",
"title":"Lene Aaling"
},
"messaging":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/messaging"},
"plainMessage":{"href":"data:text/plain;charset=utf-8,Hi+Tosh%0d%0a"}
},
"rel":"message"}
},
"type":"completed"
}]
},{
"rel":"communication",
"href":"/ucwa/oauth/v1/applications/104/communication",
"events": [{
"link":{
"rel":"conversation",
"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0"
},
"_embedded":{
"conversation":{
"state":"Connected",
"threadId":"Ac7bUftwUcVMzgTzRl+OQchCsUn35Q==",
"subject":"",
"activeModalities": ["Messaging"],
"importance":"Normal",
"recording":false,
"_links":{
"self":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0"},
"applicationSharing":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/applicationSharing"},
"audioVideo":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/audioVideo"},
"dataCollaboration":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/dataCollaboration"},
"messaging":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/messaging"},
"phoneAudio":{"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/phoneAudio"},
"localParticipant":{
"href":"/ucwa/oauth/v1/applications/104/communication/conversations/eee0/participants/toshm@contoso.com",
"title":"Tosh Meston"
},
"addParticipant":{"href":"/ucwa/oauth/v1/applications/104/communication/participantInvitations?conversation=eee0"}
},
"rel":"conversation"
}
},
"type":"updated"
}]
}]
}

At this point, the application has received the incoming message and is ready for further actions, such as responding to the incoming message or terminating the conversation.