Assume that you have Microsoft Lync 2010 for Windows Phone installed on a Japanese version of Windows Phone 7. However, text in Lync 2010 for Windows Phone is displayed unexpectedly in the Microsoft Yahei font instead of the Yu Gothic font.
For example, the text in a contact card is displayed in the Yahei font.
To resolve this issue, install the following cumulative update:
2673226 Description of the cumulative update package for Lync 2010 for Windows Phone: March 2012