Evaluate proposals from different vendors for a Unified Communications (UC) system, considering both technical and financial aspects. Create a comparison table that includes features such as [VoIP Integration], [Video Conferencing Capabilities], [Cloud Storage Options], and [Mobile Device Support]. Compare the cost of implementation, monthly service fees, and the expected ROI over [Time Period]. Provide a recommendation on which vendor would best support your organization’s communications needs, focusing on both long-term scalability and short-term budget constraints.