The Linksys SPA-841 is a router designed for small businesses and home offices. It supports up to four lines, allowing for multiple phone calls simultaneously. The router features a built-in web server for configuration and management, as well as support for a variety of VoIP protocols, including SIP and SPCP. It also includes features such as call waiting, call forwarding, and caller ID, making it a versatile option for businesses looking to streamline their communications.

The SPA-841 is a router manufactured by the company Linksys that allows multiple devices to connect to a network and communicate with each other. It works by receiving data packets from devices and forwarding them to their intended destination. The router is assigned a unique IP address 192.168.0.1, which serves as its identifier on the network.

To access the router's settings and configure its functions, users can log in using a web browser and their and . Once logged in, users can customize various settings such as network name, password, and security protocols. They can also set up parental controls, prioritize bandwidth usage, and monitor network activity.