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Configuration_Presentation_sharing.md

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A presentation is any PowerPoint document and it could be shared from any SIP client running on any device. The presentation is uploaded to the TelePresence system using HTTP(S) POST request which means a http (or https) transport must be configured as explained here. More technical details could be found here.

presentation-sharing-enabled = yes
presentation-sharing-process-local-port = 2083
presentation-sharing-base-folder = ./presentations
presentation-sharing-app = soffice

Configuration 11: Presentation sharing

  • presentation-sharing-enabled - whether to enable presentation sharing. Default is yes. The application must be built with OpenOffice (recommended) or LibreOffice SDK to support this feature. This feature will be silently disabled if both SDKs are missing.
  • presentation-sharing-process-local-port - some implementations requires a third-party application (e.g. OpenOffice or LibreOffice) to export the presentation. The third-party application will be forked to run in the background and the local port ([1024-65535]) is used to communicate with the TelePresence system. For example, if the third-party application is OpenOffice and the local port is equal to 2083 then:
    • command string would be: soffice -norestore –headless -nofirststartwizard -invisible "-accept=socket,host=localhost,port=2083;urp;StarOffice.ServiceManager"
    • and the connection string would be: uno:socket,host=localhost,port=2083;urp;StarOffice.ServiceManager. soffice is the OpenOffice application binary. Your $PATH environment variable must reference the folder containing the binary or presentation-sharing-app must contain a full path (e.g. /opt/openoffice4/program/soffice).
  • presentation-sharing-base-folder - base folder where to store uploaded presentations and temporary exported jpeg images. For example, a document named mypres.ppt uploaded by bob who is connected to a bridge with number equal to 100600 would have a path equal to <the base folder>/100600/bob/mypres.ppt.
  • presentation-sharing-app - third-party application name. Could be full (e.g. "/opt/openoffice4/program/soffice") or relative (e.g. "soffice") path. Relative path requires having the folder containing the application in your $PATH environment variable.