MSBGs combine voice, enterprise data, Internet access, firewall capabilities, security services, VPN operation and management, in addition to a variety of hosted services. They also provide access to the Wide Area Network (WAN) with multiple uplink choices and include an array of Ethernet LAN ports including PoE (Power over Ethernet) ports for VoIP terminals, surveillance cameras, remote wireless access points, and other powered Ethernet devices. MSBGs also provide support for analog telephony systems to ensure compliance with emergency voice communications requirements, FAX machine capability, etc.