IP telephony service providers and enterprise users can offer traditional and enhanced communication services via the customer’s broadband connection to the Internet or Local Area Network (LAN).

The SPA-2100 features two POTS (Plain Old Telephone Service) ports for connection to existing analogue telephones. The SPA-2100 includes an Ethernet interface for connecting to a home or office PC (LAN) as well as an Ethernet connection to the broadband modem or router (WAN). Each SPA-2100 service line can be independently configured via software controlled by the service provider and/or the end user.