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.

Presence updates and multiple application pools

Posted: December 6th, 2013 | Author: | Filed under: UCMA 3.0, UCMA 4.0 | Tags: , , | 2 Comments »

In Lync development, as in many other areas of life, things get much more complicated when you have more than one application pool. You need to start thinking about scenarios that previously weren’t possible. One important case your application needs to account for if it may be deployed across more than one pool of servers is receiving presence updates from different pools of Front End servers. You can often get away with ignoring this effect, but you risk running into strange and seemingly inexplicable behaviour once in a while. This post explains the issue and what you can do about it. Continue reading “Presence updates and multiple application pools” »


RemotePresenceView and connectivity failures

Posted: December 19th, 2012 | Author: | Filed under: UCMA 3.0, UCMA 4.0 | Tags: , , , | No Comments »

Recently I’ve been doing some investigating on how presence subscriptions from UCMA applications are affected by losses of network connectivity. In some applications, having up to date presence information is critical to the proper functioning of the application, and it is important to be sure that the application can discover and react to interruptions to its notifications of presence updates. Various kinds of network connectivity disruptions can interfere with the delivery of presence notifications: Continue reading “RemotePresenceView and connectivity failures” »