"The specified address is not recognized or does not exist" error message in an Exchange Server 2013 environment

Symptoms

Assume that you deploy Unified Messaging (UM) in a Microsoft Exchange Server 2013 environment, and integrate the UM IP gateway with a Microsoft Lync Server 2013 environment. When you click a link in a missed call notification email in Microsoft Outlook, you receive the following error message in Lync client:

Cause

This issue occurs because the Uniform Resource Identifier (URI) parameter is hardcoded by the "tel:" prefix.

Resolution

To prevent this issue, install the following update:

Cumulative Update 8 for Exchange Server 2013

Status

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

More Information

For more information about the Lync 2013 command-line parameters, see Starting Lync from another application.