The Sangoma PBXact UC40 Phone System – 40 users is an advanced on-premise turnkey unified communications platform which integrates all your business real-time voice and IP telephony applications into one full-featured experience. Whether your company is looking for basic PBX features with the capability of future growth options or enhanced features such as, Call-Center, MS Outlook integration, SMS, IM, CRM and Help Desk integration, PBXact UC wraps all this into one package.