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.

Don’t forget your voice policy!

Posted: September 25th, 2012 | Author: | Filed under: UCMA 3.0 | Tags: , , , | No Comments »

Several different types of UCMA applications need to place calls to the PSTN via the Mediation Server: outbound dialers, click-to-call applications, auto-attendants, and so forth. At some point, you may deploy one of these applications to a new environment, having tested it extensively, only to be stopped in your tracks by an exception like the following when your application tries to place outbound PSTN calls:

Microsoft.Rtc.Signaling.FailureResponseException:A 403 (Forbidden) response was received from the network and the operation failed. See the exception details for more information. Continue reading “Don’t forget your voice policy!” »