SMS are the UK cloud experts, see https://smsbusinesscloud.com/products/microsoft-office-365/ for details
Microsoft business voice provides a comprehensive, end-to-end Unified Communications (UC) solution for businesses of all sizes. This powerful platform delivers a wealth of features and functionality, allowing companies to communicate more effectively and efficiently. Whether you’re looking to improve internal communication or connect with customers and clients, Microsoft business voice has the tools you need. With this platform, you can make your business more productive and successful than ever before!