Syn248™ phone system is a feature-rich communications solution without the cost or hassle of traditional PBXs. It supports up to 24 extensions and eight lines. Designed to meet the needs of small business owners, it is simple to install, simple to use, simple to manage. User friendly, intuitive desksets feature large backlit displays that are context sensitive. Analog gateway with preset configuration and easy customization tools. Remote administration; modern browser based Web UI. More than enough capacity for operations today plus scalable for future expansion. This true plug and talk, do-it-yourself solution, offers incredible value at an extremely low cost. Analog gateway is designed for use with SB35020 corded deskset phone. Full featured with built-in key system and PBX functionality. Lines: 4, Maximum 2 Gateways/8 Lines.