Users cannot hear ring-back tone for outbound calls through PSTN in Lync for Mac 2011
Consider the following scenario:
- An Enterprise Voice-enabled user signs in to Microsoft Lync for Mac 2011 in a Lync Server 2010 environment.
- The user calls a Public Switched Telephone Network (PSTN) number.
- The early media on the PSTN gateway is turned off in the environment.
This issue occurs because a local ring-back tone is not generated when the caller makes an outbound call through PSTN in Lync for Mac 2011.
To resolve the issue, install the following cumulative update:
2844274 Description of the Microsoft Lync for Mac 2011 14.0.5 update
For more information about early media, go to the following Microsoft website:
Article ID: 2844273 - Last Review: 06/05/2013 22:05:00 - Revision: 1.0
Microsoft Lync for Mac 2011
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