Microsoft has updated their Lync 2013 client for Windows Phone 8 devices with new features. Lync 2013 already supports IM, audio and video calls, contact cards, meeting appointments, etc,. This new v5.2 brings in support for pinning your contacts to start screen and more.
What’s new in version 5.2:
• Join a meeting even if you don’t have a Lync account
• View more information about meeting participants
• Support for certification and passive authentication
• Pin a contact to your home screen for quick communication
• Easily start a conversation with a group
• Microsoft Customer Experience Improvement Program support
Download it here from Windows Phone Store for free.