Lync For Mac 2011 Screen Sharing Stopped Due To Server Connectivity

• SIP signalling – allows clients to send invites to other parties. • Interactive Connectivity Establishment (ICE) – Process used to discover and exchange candidates in order to find the most optimal media path. • Candidates – A list of possible IP addresses that could be used to establish a media path. • Reflective/Session Traversal Utilities for NAT (STUN) – STUN reflects or returns the public NAT address to the Lync client e.g. A home based user sends a packet to edge server, which discovers the public IP address (a candidate), and returns it to the client. • Relay/Traversal Using Relays around NAT (TURN) – TURN allows the media traffic to be relayed/proxied by the Edge server to the client by providing the client a relay addresses to send media.

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• ICE endpoints – An ICE endpoint is anything that is involved in media e.g. Lync Clients, Lync Web App, Lync Phone, FE Server (App Sharing MCU, RGS, Call Park A/V Conf etc), Mediation Server, SBA, Exch UM. Session Border controllers and the director role would not be considered as ICE endpoints.

To share in an instant-messaging conversation, open Microsoft Lync 2010, and double-click a contact that you want to share with. To add contacts, in the Conversation window, click the People Options menu, click Invite by Name or Phone Number, and select contacts to add. In the Conversation window, click Share.

For example, you can set the default time interval for 15 minutes. But it can come in handy another way. 2: Select an appointment time before creating an appointment Resetting the time interval for appointments in Calendar view is helpful when most of your appointments consume the same amount of time. Outlook for mac 2011 calendar printing multiple months. How Outlook's developers decided that 6 minutes was a more universal setting than 20 or 45 minutes is a bit of a mystery. By selecting the smallest common interval, you can automate the timing on new appointments.

Edge server is doing STUN and TURN but not an ICE endpoint, more and ICE server. The Lync client does an SRV lookup to find an Edge server to register against and then performs a SIP register. The server provides a 200 OK which includes in band provisioning details, including MRAS (media relay authentication services) which tells the client there is an Edge server service deployed. With this the client sends SIP service request to Front End which includes the client’s location (internal or external). Because the Edge is not on the domain it can’t authenticate client directly, so the Front End server requests the credentials on behalf of the client.