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Feature Overview and Benefits of Microsoft Lync Server 2013 : Presence (part 3)

11/18/2013 2:20:11 AM
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10. Instant Messaging

Collaboration through the use of IMs has been a part of Lync Server since the beginning along with presence. Although IMs are a simple mode of communication, they can be an excellent way to conduct a conversation in a quick manner without needing to resort to email or a phone call.

In Lync Server, IM is not unlike IM conversations that use other providers, but the main advantage to IM with Lync Server instead of a public solution is that by default all messaging is encrypted through TLS connections to the servers and an organization has complete control over how the system is used. This means that a rogue user on your network can’t start a packet sniffer application and read messages sent between two other users.


Although it might be an acceptable compromise on an internal network, this security in signaling extends to remote access scenarios too, ensuring that conversations that take place across the Internet are also encrypted.

The Lync Server endpoints support the same kind of features found in many other IM clients, such as rich text, emoticons, and saving messages. The end user and security features enable an organization to standardize on a single messaging client such as Lync instead of multiple clients and services.


A long-standing issue with many IM applications is that users think the conversation is not captured unless conducted through email. Through integration with Microsoft Office Outlook, IM conversations can be saved automatically to the user’s Microsoft Exchange mailbox. These conversations are then searchable in the same way that email messages are, so users can reference them at any time.

11. Web Conferencing

Lync Server gives users the ability to create or join virtual meetings referred to as web conferences, including attendees from inside the organization or guest users without an account in the Communications Server environment. Lync Server 2012 adds additional features to the Web Conferencing Web Client such as voice and video over IP from the browser.

12. Audio and Video Conferencing

Organizations can leverage Lync Server to provide audio and video (A/V) conferencing services to their users without deploying additional clients or software. Deploying A/V conferencing enables users to perform peer-to-peer or multiparty conferences using high-fidelity audio and video conducted across the IP network. Users have a consistent experience because they can make and receive A/V calls through the same Lync client used for presence, IM, and web conferencing. Although A/V conferencing is sometimes linked to Enterprise Voice features, it can be deployed separately from any kind of telephony integration.


It is important to note that although the term A/V is used, video is not a required component of these conversations. Users can conduct audio-only conversations using the Lync endpoint instead of a traditional phone call. These audio conversations are performed at a higher level of audio quality than a traditional PSTN call and are not subject to any long-distance or international charges like a regular call.

With video conversations, both peer-to-peer and multiparty video conversations can negotiate to use high-definition video quality using either Microsoft RTVideo or H.264 SVC/AVC.

Organizations have a wide variety of webcams to select what is compatible with Lync Server, and Microsoft provides a continuously updated list of certified devices. In Lync Server, video endpoints such as the Polycom CX5000 can be used in Lync to provide a full 360-degree panoramic view of the room.

Lastly, Lync Server video endpoints can be integrated with video conferencing systems from vendors such as Polycom, LifeSize, and Cisco.

- Feature Overview and Benefits of Microsoft Lync Server 2013 : Presence (part 2)
- Feature Overview and Benefits of Microsoft Lync Server 2013 : Presence (part 1) - Presence States , Access Levels and Privacy Relationships
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