5. Video gallery HD video or high resolution photos of attendees H.264 SVC support Personalized collaboration experiences Intuitive controls Consistent and familiar clients Immersive experience optimized for touch Mobile client experiences designed for the device Lync Web App for browser access to meetings Single identity across business and social applications Shared contact card Communicate directly from within Office OneNote Share SharePoint integration Communicate with anyone on Skype Share rich presence information Secure and archived Instant Messaging Peer to peer voice

7. IM/PresenceLync MeetingsFederationMedia ControlsEnterprise Voice No persistent chat Attendee limit: 250 vs. 1000 Partner ACP needed for dial-in PSTN conferencing No Sametime or XMPP federation No QoS, call admission control (CAC), and media bypass No enterprise voice capabilities Lync Server Lync Online Lync Online Exceptions 

11. Lync Server User Lync Online User Internet Contoso Microsoft Datacenter Remote Lync Online User Lync Server 2013 PBX Public Switched Telephony Network (PSTN) Managed Customer Network Unmanaged Managed Network

13. Internet Microsoft Datacenter Managed Network Lync Online User A Contoso Lync Online User B Managed Customer Network SIP SRTP Remote Lync Online User C SIP SRTP 1 Remote Lync Online User D

14. Internet Microsoft Datacenter Managed Network Lync Online User A Contoso Lync Online User B Managed Customer Network SIP SRTP 1  Lync Edge

15. Internet Microsoft Datacenter Managed Network Lync Online User A Contoso Lync Online User B Managed Customer Network SIP SRTP 1  Lync Edge STUN candidates

16. Internet Microsoft Datacenter Managed Network Lync Online User A Contoso Lync Online User B Managed Customer Network SIP SRTP Remote Lync Online User C SIP SRTP Remote Lync Online User D SRTP SIP Lync Conference MCUs

27. Internet Microsoft Datacenter Managed Network Lync Online User A Contoso Lync Online User B Managed Customer Network SIP SRTP Remote Lync Online User C SIP SRTP 1 Remote Lync Online User D

28. Lync Online media ports for QoS PortProtocolDirectionUsage 50000-50019RTP/UDPOutboundAudio 50020-50039RTP/UDPOutboundVideo 50040-50059UDPOutboundApplication sharing and file transfer

31. SECURITY MANAGEMENT NETWORK PERIMETER INTERNAL NETWORK HOST APPLICATION DATA USER FACILITY Threat and vulnerability management, monitoring, and response Edge routers, intrusion detection, vulnerability scanning Dual-factor authentication, intrusion detection, vulnerability scanning Access control and monitoring, anti-malware, patch and configuration management Secure engineering (SDL), access control and monitoring, anti- malware Access control and monitoring, file/data integrity Account management, training and awareness, screening Physical controls, video surveillance, access control

33. Internet Microsoft Datacenter Managed Network Lync Online User A Contoso Lync Online User B Managed Customer Network SIP SRTP 1  Lync Edge

36. PortProtocolDirectionUsage 443STUN/TCPOutbound Audio, video, and application sharing sessions 443PSOM/TLSOutboundData sharing sessions 3478STUN/UDPOutboundAudio and video sessions 5223TCPOutbound Lync Mobile push notifications 50000-50019RTP/UDPOutboundAudio 50020-50039RTP/UDPOutboundVideo 50040-50059TCPOutbound Application sharing and file transfer Individual computers are automatically configured for Lync Online network traffic when Lync is installed.

39. Active users who have logged on and participated in a peer to peer or conference session Peer to peer audio/video minutes Audio/video conference minutes *For representative purposes only. Shipped Sep 2013