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Calls to mobile clients fail if Skype for Business Server 2015 has advanced privacy mode enabled

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Symptoms

Assume that a Microsoft Skype for Business Server 2015 user only signs in a Skype for Business mobile app on which the advanced privacy mode is enabled. A Public Switched Telephone Network (PSTN) or Skype for Business caller who isn't in the user's contact list calls the user. In this situation, the call fails. 

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Cause

This issue occurs because Unified Communications Managed API (UCMA) doesn't let the incoming call to go through if the called mobile client is in privacy mode.

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Resolution

To fix this issue, install the November 2016 cumulative update 6.0.9319.272 for Skype for Business Server 2015. 

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Keywords: kbqfe, kbsurveynew, kbfix, kbexpertiseadvanced, kb

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Article Info
Article ID : 3203150
Revision : 1
Created on : 1/7/2017
Published on : 11/11/2016
Exists online : False
Views : 195