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.

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” »

Trusted applications and policy settings

Posted: February 16th, 2012 | Author: | Filed under: Lync Development | Tags: , , , , , | 3 Comments »

Unless your Lync environment has a single global policy for each type of policy setting (voice policy, conferencing policy, dial plan, etc.) you may run into problems where your UCMA trusted application endpoints don’t work properly with the default policy. A couple of common examples:

  • Voice policy – the default collection of PSTN usages may not be appropriate for the PSTN calls initiated by your application
  • External access policy – if your application needs to contact public IM or federated users and the default policy doesn’t allow this Continue reading “Trusted applications and policy settings” »