Guided Walkthrough: Set up Skype for Business Online External Communications.
This setting can be configured at the organization or user level.įor help configuring external communications for your organization, go to the following Microsoft website: This includes other Lync or OCS organization and public IM contacts on Skype or Microsoft Messenger.
Office 365 professional and business customers can turn external communications on or off only for all external contacts.
When the external contact receives a Skype for Business Online meeting invitation and then clicks Join Online Meeting, the user receives an error message that states that the person doesn't have permission to join the meeting, and the connection fails. When you search for the external contact, or you review an external contact who's already added to your contact list, the presence icon is unavailable (it appears dimmed), and Presence Unknown is displayed.Įxternal contacts can't join Skype for Business Online meetings. Presence is unknown for an external contact. The following error message may also be recorded in the Lync 2010 UCCAPI logs:Ĥ03 Forbidden: From URI not authorized to communicate with federated partners.