Using the Federation feature, two organizations can communicate with each other. Microsoft Lync also can connect with other services such as Yahoo Messenger, Windows Live, Skype, Google Talk, etc.

While you are not at your desk, you can receive your calls via Call Forwarding or Simultaneous Call on another phone line or your mobile phone or transfer that call to your voicemail.

Using this feature, each user specifies their current activity in the organization that others can be notified of.

The audio conference has become one of the basic needs of many organizations. With Lync Server, users can attend the conference via PC, Web, Phone, and Mobile.

Using this feature, users outside the organization can participate in an audio conference without the use of special software or hardware and only by dialing through the telephone line.

It enables the user to share their entire screen or just one monitor - when multiple monitors are connected.

It enables the user to share a specific application instead of the entire screen.

it enables the user to start a poll and the people present at the conference to participate in the poll and see the results. This feature simulates an online poll.

Using Whiteboard, you can simulate a real class, and in addition to the features of a whiteboard, it is possible to give it to different people to write their comments on and share.

present a PowerPoint slideshow is easy with this feature. This feature simulates a real conference room. With the design of the office web application Server 2013, Microsoft has made it possible for users to easily present their content in video conferencing sessions.

On-the-go communication, using the Lync mobile version, you can connect to the system while you're on the go, connect, and attend the conference. You can also communicate with all people within your organization in writing.

Multi-person chats on a predetermined topic and storing them in the system of each person present in this chat helps people in meetings and organizational issues. With this feature, you no longer need to go to the minutes to remind yourself of the contents of your meeting, but you can easily read the contents in the chat window.