Making Video Calls between Lync Clients and H.323 Devices | 3RADVISION | User Guide for SCOPIA Video Gateway for Microsoft Lync Version 7.7Figure 1-2 Virtual meeting room• Joining one of the video conferences in progress.• Seeing a presentation shared by an H.323 endpoint.When an H.323 endpoint shares content in a video call or in a videoconference, the SCOPIAVideo Gateway automatically switches to the presentation channel and starts sending thepresentation to the Lync Client. The presentation is supported in H.264 format with amaximum resolution of 720p at 30fps; the minimum supported resolution is VGA at 30fps.This feature is available in every point-to-point call between an H.323 endpoint and a LyncClient when you share presentation from the H.323 endpoint side and also when sharing apresentation in a videoconference housed by an MCU (RADVISION or third-party).Contact your network administrator to check if these features are available in your organization.Setting up the Lync Client Contact ListYou need to setup your Lync Client Contact List so that it contains meeting rooms equipped withH.323 room systems.If your video network supports additional videoconferencing features, you need to add contactsthat represent these features to the Contact List:• Virtual meeting rooms — Virtual meeting rooms are used for creating videoconferences withmany participants. The video layout of a virtual meeting room allows you to see manyparticipants at the same time.• Auto Attendant — This contact provides easy access to the list of videoconferences inprogress. You select the conference you want to join from this list.• Your personal virtual room — This contact provides immediate access to your personal virtualroom from where you can create videoconferences with many participants at the same time.The Contact List shows the availability status (presence) of contacts in real time. The list alsoreflects the availability of a contact that was set up to receive calls simultaneously on more thanone device (for example, on a Lync Client and on an H.323 endpoint).