Skype for Business Online features
If you are an admin, you can find detailed instructions for setting up Skype for Business Online features in Set up Skype for Business Online.
Clients for Skype for Business Online
The clients that are supported in Skype for Business Online are licensed separately.
To find out what your Skype for Business Online client options are for Windows or Mac, see Install Skype for Business.
To find out what your Skype for Business options are on a mobile device, see Install Skype for Business on a mobile device.
For a detailed comparison of the Skype for Business desktop and web clients, see Skype for Business Online client comparison tables. For a detailed comparison of the Skype for Business mobile clients, see the Mobile client comparison tables.
You can download the client for your mobile device, PC, or Mac here.
Skype for Business provides support for the conference room devices listed here. For additional information, work with your account team or call Office 365 support. To get a local number, you can choose your locale from the drop-down list.
Instant messaging, presence, and contacts
Using Skype for Business, users can:
Display their presence status—for example, Available, Away, Do Not Disturb, or Offline—to let others know their availability. Skype for Business presence information is presented throughout the Office 365 suite.
Send and receive text messages in real time over an Internet Protocol (IP) network, such as the Internet, or an organization's corporate network. Instant messaging is available for both Skype-to-Skype and multiparty communication. IM text is encrypted for enhanced security.
Configure how their own Skype for Business contact card appears to other people.
You can read more about instant messaging, presence, and contacts here.
Skype-to-Skype audio, video, and media
Skype for Business Online users can make one-to-one computer-based audio and video calls to other Skype for Business users using a PC and a web camera. A Skype for Business Online user can initiate Skype-to-Skype audio and video calls with another user in the same Skype for Business Online organization (within or outside the corporate firewall), or with another Skype for Business user in a Skype for Business federated domain if the two Skype for Business domains are correctly configured, supported, and permitted for federation.
Go here to find out how to set audio device options in Skype for Business.
Federation and public IM connectivity
Skype for Business external connectivity (federation) enables a Skype for Business user to connect with users in other organizations that use Skype for Business as well as those that host their own Skype for Business Server on-premises. Federated contacts can see presence, communicate by using IM, and make Skype-to-Skype audio and video calls. All federated communications are encrypted between the IM systems using access proxy servers. Microsoft does not control encryption after messages are passed to the federated partner's network (if the partner is federated with an on-premises Skype for Business Server or third-party network).
Skype for Business external connectivity requires the consent and correct configuration of both parties of the federation relationship. After the federation is set up by the administrators of both sides, users in each company can see presence and communicate with users in the other company. Federation in Office 365 is only supported between other Skype for Business environments, with appropriately configured Access Proxy or Edge servers. To learn more about Edge server configuration, see Components required for external user access in Skype for Business Server 2015.
Skype for Business Online meetings
Users can start or join an ad-hoc Skype for Business Meeting with just a few clicks in the Skype for Business client or in Office. Skype for Business lets users escalate simple instant messaging conversations or email conversations to PC-based, multiparty (three or more users) audio and video meetings with shared desktops, applications, and documents.
Skype for Business multiparty audio provides users with an adaptive audio codec for optimal performance under varying bandwidth conditions, visual call and roster controls, network quality indicator, and powerful user management features (for example, drag and drop a participant name to add them to a meeting).
In addition to audio, Skype for Business enables users to connect through high quality video sessions. Both person-to-person and multiparty (three or more users) sessions are supported. Active speaker video is available only for multiparty sessions. With Skype for Business, users can easily schedule an online meeting with video or seamlessly escalate an IM session to a video call.
Find out more about Skype for Business online meetings here.
Multiparty Skype for Business audio and video capabilities might not be available in certain countries due to regulatory restrictions. For details, see About license restrictions.
Security and archiving
Microsoft Office 365 traffic (both signal and media traffic) is encrypted using the Transport Layer Security (TLS) protocol. Anyone who intercepts a communication sees only encrypted text. For example, if a user accesses Skype for Business Online IM, calls, and presentations while using a public Wi-Fi network, such as at an airport, the user's communications are encrypted to potential interception by network "sniffers."
Skype for Business provides archiving of peer-to-peer instant messages, multiparty instant messages, and content upload activities in meetings. The archiving capability requires Exchange and is controlled by the user's Exchange mailbox In-Place Hold attribute, which archives both email and Skype for Business contents.
All archiving in Skype for Business is considered "user-level archiving" because you enable or disable it for one or more specific users or groups of users by creating, configuring, and applying a user-level archiving policy for those users. There is no direct control of archiving settings from within the Skype for Business admin center.
Exchange and SharePoint interoperability
Skype for Business Online includes high definition pictures, presence status updates based on Exchange calendar information, unified contact store, archiving, out-of-office messages in Skype for Business, and presence status and click-to-communicate in Outlook. This interoperability requires running the Skype for Business client on the user's desktop.
In certain subscription plans, Skype for Business can integrate with Exchange Online Unified Messaging (UM) to:
• Combine voice messaging and email messaging into a single messaging infrastructure that is available from the Skype for Business client. Exchange UM and Skype for Business work together to provide call answering, Outlook Voice Access, and auto attendant services.
Enable Outlook Web App to provide IM, presence, status updates based on Exchange calendar information, and Skype for Business Meeting scheduling.
Skype for Business interoperates with on-premises Microsoft SharePoint Server for presence and click-to-communicate in SharePoint sites. This interoperability requires running the Skype for Business client on the user's desktop.
Skype for Business Online administration and management
Although Microsoft directly controls all Skype for Business Online data centers and is responsible for overall system performance, it can control only a portion of the elements that combine to provide the total experience for Office 365 users. Organizations themselves are responsible for the network connections to the data centers, the customer's wide area network (WAN), and the customer's local area networks (LANs). Additionally, they manage user devices and their configuration. They are also responsible for maintaining the required licensing per user for any desired feature, including, but not limited to, the ability to manage these features, for as long as the user needs access to the feature.
Skype for Business Online therefore provides customer administrators with the following tools to manage several messaging-related tasks:
Microsoft Office 365 portal
Microsoft 365 admin center
Skype for Business admin center
To see the latest Skype for Business Online Admin help topics and how-to articles, see Skype for Business Online in Office 365 - Admin Help
Audio Conferencing in Office 365
Audio Conferencing is any conference in which at least one participant dials in to the audio portion by using a phone. The ability to use a phone to access a meeting is useful for individuals who are on the road or otherwise can't attend a meeting using a mobile device or PC. Using a phone also can be a better option in other scenarios, such as when internet connectivity is limited or when a meeting is audio only.
With Audio Conferencing, users in your organization can host or create meetings that contain dial-in phone numbers. Callers can then use those phone numbers to call into a meeting using their phones (users who are dialing into a meeting will only get audio, not instant messages, shared desktops, or files being shared in the meeting). You only need to set up dial-in conferencing for users who plan to schedule or lead meetings. Unless the organizer has locked the meeting, anyone who has the dial-in number and conference ID can join the meeting. For details, see Getting started with Audio Conferencing and Dial-in numbers available for Audio Conferencing.
In Office 365, you can enable dial-in conferencing either by using Office 365 as your dial-in conferencing provider, or by using a third-party dial-in conferencing provider (also called an audio conferencing provider, or ACP).
Audio Conferencing is not available in all countries or regions. For a list of the countries or regions in which you can purchase Audio Conferencing, see Where can you get Audio Conferencing?.
Calling Plans in Office 365
Skype for Business includes calling capabilities found on the public switched telephone network (PSTN). Calling Plans are an add-on to the Phone System in Office 365 that allow you to search for, acquire, and assign phone numbers to users in your organization so that they can make calls to and receive calls from people inside and outside of the organization, directly from Office 365. Users who are assigned phone numbers can make voice calls across all Skype for Business devices, including VoIP phones, PCs, and mobile devices. They also can control their calls through mute/unmute, hold/resume, call transfers, and call forwarding features, and if necessary, make emergency calls.
Phone System in Office 365
The Phone System in Office 365 enables you to use Skype for Business and either your company's existing phone lines or the Phone System for inbound and outbound calls. With the Phone System in Office 365, your users can use Skype for Business to complete basic tasks such as placing, receiving, transferring, and muting or unmuting calls, from nearly anywhere that has Internet access.
The Phone System allows you to replace your existing PBX system with a set of features that are directly delivered from Office 365 and tightly integrated into Microsoft's cloud productivity experience. You can choose a completely in-the-cloud experience, or a hybrid deployment that takes advantage of the Phone System while keeping some functionality on your premises. .
Skype Meeting Broadcast
Skype Meeting Broadcast enables Office 365 users to produce and broadcast a meeting on the internet to up to 10,000 attendees, who can attend from a browser on virtually any device. With Skype Meeting Broadcast, you can host large virtual meetings such as internal "town hall" style meetings and public webinars. You can record meetings, and you can customize them to gauge audience involvement and satisfaction.
Currently, Skype Meeting Broadcast isn't available to educational or non-profit organizations.
For more information, go to What is a Skype Meeting Broadcast?.
The Skype Meeting Broadcast portal can be found at http://portal.broadcast.skype.com.
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