When an Office Communicator 2005 user calls an Office Communicator 2007 enterprise-voice enabled number, the Office Communicator 2007 user cannot add video to the call.
Ko uporabnik programa Office Communicator 2005 kliče številko programa Office Communicator 2007, ki ima omogočeno storitev Enterprise Voice, uporabnik programa Office Communicator 2007 klicu ne more dodati videa.