Microsoft Lync and Skype for Business have a rich set of .NET APIs which make it easy to extend the platform and integrate it with other applications. This blog helps explain how to use those APIs.

UCMA application unexpectedly answering user’s calls

Posted: March 14th, 2013 | Author: | Filed under: UCMA 3.0, UCMA 4.0 | Tags: , , , , , | 3 Comments »

This was an interesting scenario that had me completely confused at first. Audio calls and instant messages to real Lync users were mysteriously being answered by a totally unrelated UCMA application, without ever appearing in the users’ Lync clients, so you would try to call or IM someone and unexpectedly get a generic IVR menu.

After puzzling over this weird behavior for a while, I figured out that there are some interesting side effects you can run into if you use UserEndpoints and a default routing endpoint in the same UCMA application – specifically, within the same collaboration platform. Continue reading “UCMA application unexpectedly answering user’s calls” »

Media troubleshooting and quality data in UCMA 3.0

Posted: October 12th, 2011 | Author: | Filed under: UCMA 3.0 | Tags: , , | 2 Comments »

There is a little-known feature in UCMA, introduced in version 3.0 of the API, that allows applications to receive a detailed report on the call quality metrics of each audio/video call when it concludes. The data reported to the application are essentially the same that are included in Lync Server’s call detail recording (CDR) records, and by receiving the information in a UCMA application in real time as calls conclude, you can correlate quality data with other information you collect or record about calls, or even adjust your application’s behaviour on the basis of call quality metrics. Continue reading “Media troubleshooting and quality data in UCMA 3.0” »