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Lync Mobile Client call is dropped immediately when you dial 0 for an operator

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Symptoms

When you dial 0 from a Microsoft Lync Mobile Client dial pad, the call is dropped immediately. This problem occurs when the following conditions are true:
  • You have configured 0 (zero) as the operator’s hotline number on your Lync Mobile Client device (Windows Phone, Android, or iOS).
  • You dial 0 on the dial pad and then try to complete the call.

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Cause

The Lync Server UCWA component treats 0 as an invalid number. Therefore, a "Bad Request" response is triggered, and the call is terminated.

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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Keywords: kbautohotfix, kbqfe, kbhotfixserver, kbfix, kb

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Article Info
Article ID : 3051963
Revision : 1
Created on : 1/7/2017
Published on : 5/1/2015
Exists online : False
Views : 164